/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:48:03,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:48:03,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:48:03,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:48:03,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:48:03,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:48:03,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:48:03,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:48:03,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:48:03,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:48:03,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:48:03,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:48:03,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:48:03,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:48:03,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:48:03,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:48:03,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:48:03,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:48:03,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:48:03,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:48:03,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:48:03,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:48:03,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:48:03,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:48:03,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:48:03,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:48:03,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:48:03,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:48:03,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:48:03,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:48:03,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:48:03,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:48:03,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:48:03,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:48:03,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:48:03,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:48:03,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:48:03,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:48:03,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:48:03,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:48:03,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:48:03,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:48:03,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:48:03,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:48:03,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:48:03,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:48:03,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:48:03,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:48:03,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:48:03,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:48:03,582 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:48:03,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:48:03,583 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:48:03,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:48:03,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:48:03,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:48:03,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:48:03,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:48:03,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:48:03,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:48:03,585 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:48:03,585 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:48:03,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:48:03,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:48:03,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:48:03,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:48:03,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:48:03,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:48:03,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:48:03,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:48:03,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:48:03,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:48:03,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:48:03,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:48:03,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:48:03,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:48:04,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:48:04,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:48:04,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:48:04,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:48:04,039 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:48:04,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:48:04,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9b900b7/fbd66e0355c64cd586842633ccd8fd65/FLAG07302cc7c [2022-10-16 16:48:04,997 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:48:04,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:48:05,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9b900b7/fbd66e0355c64cd586842633ccd8fd65/FLAG07302cc7c [2022-10-16 16:48:05,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9b900b7/fbd66e0355c64cd586842633ccd8fd65 [2022-10-16 16:48:05,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:48:05,118 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:48:05,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:48:05,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:48:05,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:48:05,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:48:05" (1/1) ... [2022-10-16 16:48:05,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ca673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:05, skipping insertion in model container [2022-10-16 16:48:05,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:48:05" (1/1) ... [2022-10-16 16:48:05,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:48:05,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:48:06,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35004,35017] [2022-10-16 16:48:06,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35894,35907] [2022-10-16 16:48:06,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37724,37737] [2022-10-16 16:48:06,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38998,39011] [2022-10-16 16:48:06,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53711,53724] [2022-10-16 16:48:06,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[62997,63010] [2022-10-16 16:48:06,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63890,63903] [2022-10-16 16:48:06,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[65723,65736] [2022-10-16 16:48:06,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[66616,66629] [2022-10-16 16:48:06,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[69389,69402] [2022-10-16 16:48:06,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[70282,70295] [2022-10-16 16:48:06,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[72115,72128] [2022-10-16 16:48:07,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:48:07,023 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:48:07,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35004,35017] [2022-10-16 16:48:07,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[35894,35907] [2022-10-16 16:48:07,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[37724,37737] [2022-10-16 16:48:07,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38998,39011] [2022-10-16 16:48:07,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53711,53724] [2022-10-16 16:48:07,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[62997,63010] [2022-10-16 16:48:07,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63890,63903] [2022-10-16 16:48:07,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[65723,65736] [2022-10-16 16:48:07,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[66616,66629] [2022-10-16 16:48:07,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[69389,69402] [2022-10-16 16:48:07,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[70282,70295] [2022-10-16 16:48:07,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[72115,72128] [2022-10-16 16:48:07,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:48:07,935 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:48:07,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07 WrapperNode [2022-10-16 16:48:07,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:48:07,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:48:07,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:48:07,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:48:07,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:07,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,173 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4588 [2022-10-16 16:48:08,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:48:08,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:48:08,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:48:08,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:48:08,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:48:08,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:48:08,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:48:08,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:48:08,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (1/1) ... [2022-10-16 16:48:08,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:48:08,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:48:08,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:48:08,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:48:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:48:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:48:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:48:08,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:48:08,786 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:48:08,789 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:48:12,143 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:48:12,169 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:48:12,170 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:48:12,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:48:12 BoogieIcfgContainer [2022-10-16 16:48:12,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:48:12,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:48:12,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:48:12,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:48:12,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:48:05" (1/3) ... [2022-10-16 16:48:12,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d8344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:48:12, skipping insertion in model container [2022-10-16 16:48:12,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:48:07" (2/3) ... [2022-10-16 16:48:12,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d8344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:48:12, skipping insertion in model container [2022-10-16 16:48:12,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:48:12" (3/3) ... [2022-10-16 16:48:12,186 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:48:12,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:48:12,208 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 436 error locations. [2022-10-16 16:48:12,304 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:48:12,314 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@18dddc63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:48:12,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 436 error locations. [2022-10-16 16:48:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 1855 states, 1418 states have (on average 1.872355430183357) internal successors, (2655), 1854 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:48:12,347 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:12,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:12,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:12,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:12,356 INFO L85 PathProgramCache]: Analyzing trace with hash -197166867, now seen corresponding path program 1 times [2022-10-16 16:48:12,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:12,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442431194] [2022-10-16 16:48:12,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:12,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:13,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:13,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442431194] [2022-10-16 16:48:13,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442431194] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:13,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:13,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:48:13,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541018317] [2022-10-16 16:48:13,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:13,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:48:13,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:13,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:48:13,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:13,293 INFO L87 Difference]: Start difference. First operand has 1855 states, 1418 states have (on average 1.872355430183357) internal successors, (2655), 1854 states have internal predecessors, (2655), 0 states have call successors, (0), 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 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:14,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:14,275 INFO L93 Difference]: Finished difference Result 2090 states and 3005 transitions. [2022-10-16 16:48:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:48:14,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 16:48:14,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:14,311 INFO L225 Difference]: With dead ends: 2090 [2022-10-16 16:48:14,311 INFO L226 Difference]: Without dead ends: 1985 [2022-10-16 16:48:14,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:14,322 INFO L413 NwaCegarLoop]: 2200 mSDtfsCounter, 1886 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1886 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:14,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1886 Valid, 2820 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:48:14,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2022-10-16 16:48:14,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1953. [2022-10-16 16:48:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1588 states have (on average 1.649874055415617) internal successors, (2620), 1952 states have internal predecessors, (2620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2620 transitions. [2022-10-16 16:48:14,524 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2620 transitions. Word has length 122 [2022-10-16 16:48:14,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:14,525 INFO L495 AbstractCegarLoop]: Abstraction has 1953 states and 2620 transitions. [2022-10-16 16:48:14,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:14,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2620 transitions. [2022-10-16 16:48:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:48:14,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:14,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:14,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:48:14,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:14,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1817205068, now seen corresponding path program 1 times [2022-10-16 16:48:14,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:14,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920710741] [2022-10-16 16:48:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:14,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:14,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:14,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920710741] [2022-10-16 16:48:14,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920710741] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:14,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:14,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:48:14,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125753585] [2022-10-16 16:48:14,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:14,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:48:14,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:14,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:48:14,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:14,975 INFO L87 Difference]: Start difference. First operand 1953 states and 2620 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:15,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:15,543 INFO L93 Difference]: Finished difference Result 1988 states and 2620 transitions. [2022-10-16 16:48:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:48:15,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 16:48:15,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:15,559 INFO L225 Difference]: With dead ends: 1988 [2022-10-16 16:48:15,561 INFO L226 Difference]: Without dead ends: 1968 [2022-10-16 16:48:15,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:15,568 INFO L413 NwaCegarLoop]: 1954 mSDtfsCounter, 1665 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1665 SdHoareTripleChecker+Valid, 2524 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:15,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1665 Valid, 2524 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:48:15,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-10-16 16:48:15,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1936. [2022-10-16 16:48:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1588 states have (on average 1.63727959697733) internal successors, (2600), 1935 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2600 transitions. [2022-10-16 16:48:15,673 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2600 transitions. Word has length 123 [2022-10-16 16:48:15,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:15,676 INFO L495 AbstractCegarLoop]: Abstraction has 1936 states and 2600 transitions. [2022-10-16 16:48:15,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2600 transitions. [2022-10-16 16:48:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:48:15,685 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:15,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:15,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:48:15,686 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:15,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:15,688 INFO L85 PathProgramCache]: Analyzing trace with hash -498781745, now seen corresponding path program 1 times [2022-10-16 16:48:15,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:15,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379616081] [2022-10-16 16:48:15,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:15,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:15,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:15,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379616081] [2022-10-16 16:48:15,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379616081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:15,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:15,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:48:15,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235908487] [2022-10-16 16:48:15,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:15,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:48:15,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:15,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:48:15,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:15,980 INFO L87 Difference]: Start difference. First operand 1936 states and 2600 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:16,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:16,622 INFO L93 Difference]: Finished difference Result 2159 states and 2931 transitions. [2022-10-16 16:48:16,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:48:16,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 16:48:16,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:16,635 INFO L225 Difference]: With dead ends: 2159 [2022-10-16 16:48:16,635 INFO L226 Difference]: Without dead ends: 2142 [2022-10-16 16:48:16,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:16,638 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 1539 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 2566 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:16,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 2566 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:48:16,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2022-10-16 16:48:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 2116. [2022-10-16 16:48:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2116 states, 1782 states have (on average 1.6352413019079686) internal successors, (2914), 2115 states have internal predecessors, (2914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 2914 transitions. [2022-10-16 16:48:16,750 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 2914 transitions. Word has length 124 [2022-10-16 16:48:16,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:16,751 INFO L495 AbstractCegarLoop]: Abstraction has 2116 states and 2914 transitions. [2022-10-16 16:48:16,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2914 transitions. [2022-10-16 16:48:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:48:16,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:16,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:16,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:48:16,754 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:16,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:16,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1717635606, now seen corresponding path program 1 times [2022-10-16 16:48:16,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:16,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464773756] [2022-10-16 16:48:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:16,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:17,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:17,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464773756] [2022-10-16 16:48:17,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464773756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:17,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:17,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:48:17,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571767149] [2022-10-16 16:48:17,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:17,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:48:17,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:17,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:48:17,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:17,030 INFO L87 Difference]: Start difference. First operand 2116 states and 2914 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:17,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:17,694 INFO L93 Difference]: Finished difference Result 2145 states and 2914 transitions. [2022-10-16 16:48:17,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:48:17,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 16:48:17,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:17,706 INFO L225 Difference]: With dead ends: 2145 [2022-10-16 16:48:17,706 INFO L226 Difference]: Without dead ends: 2128 [2022-10-16 16:48:17,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:17,709 INFO L413 NwaCegarLoop]: 1959 mSDtfsCounter, 1521 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 2569 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:17,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 2569 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:48:17,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-10-16 16:48:17,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2102. [2022-10-16 16:48:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2102 states, 1782 states have (on average 1.6257014590347925) internal successors, (2897), 2101 states have internal predecessors, (2897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2897 transitions. [2022-10-16 16:48:17,822 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2897 transitions. Word has length 125 [2022-10-16 16:48:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:17,822 INFO L495 AbstractCegarLoop]: Abstraction has 2102 states and 2897 transitions. [2022-10-16 16:48:17,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2897 transitions. [2022-10-16 16:48:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:48:17,825 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:17,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:17,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:48:17,826 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1707096753, now seen corresponding path program 1 times [2022-10-16 16:48:17,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:17,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721833634] [2022-10-16 16:48:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:18,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:18,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721833634] [2022-10-16 16:48:18,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721833634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:18,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:18,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:48:18,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117688216] [2022-10-16 16:48:18,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:18,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:48:18,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:18,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:48:18,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:18,102 INFO L87 Difference]: Start difference. First operand 2102 states and 2897 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:18,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:18,842 INFO L93 Difference]: Finished difference Result 2557 states and 3638 transitions. [2022-10-16 16:48:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:48:18,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 16:48:18,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:18,857 INFO L225 Difference]: With dead ends: 2557 [2022-10-16 16:48:18,858 INFO L226 Difference]: Without dead ends: 2538 [2022-10-16 16:48:18,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:18,861 INFO L413 NwaCegarLoop]: 1818 mSDtfsCounter, 1704 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 2258 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:18,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 2258 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:48:18,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2022-10-16 16:48:19,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2534. [2022-10-16 16:48:19,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 2232 states have (on average 1.6187275985663083) internal successors, (3613), 2533 states have internal predecessors, (3613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:19,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3613 transitions. [2022-10-16 16:48:19,030 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3613 transitions. Word has length 126 [2022-10-16 16:48:19,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:19,031 INFO L495 AbstractCegarLoop]: Abstraction has 2534 states and 3613 transitions. [2022-10-16 16:48:19,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3613 transitions. [2022-10-16 16:48:19,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:48:19,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:19,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:19,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:48:19,035 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:19,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:19,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1380392312, now seen corresponding path program 1 times [2022-10-16 16:48:19,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:19,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34285911] [2022-10-16 16:48:19,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:19,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:19,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:19,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34285911] [2022-10-16 16:48:19,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34285911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:19,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:19,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:48:19,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533829189] [2022-10-16 16:48:19,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:19,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:48:19,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:19,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:48:19,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:19,320 INFO L87 Difference]: Start difference. First operand 2534 states and 3613 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:20,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:20,106 INFO L93 Difference]: Finished difference Result 3318 states and 4871 transitions. [2022-10-16 16:48:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:48:20,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 16:48:20,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:20,125 INFO L225 Difference]: With dead ends: 3318 [2022-10-16 16:48:20,125 INFO L226 Difference]: Without dead ends: 3303 [2022-10-16 16:48:20,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:48:20,128 INFO L413 NwaCegarLoop]: 1943 mSDtfsCounter, 1558 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:20,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 2427 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:48:20,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2022-10-16 16:48:20,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 3271. [2022-10-16 16:48:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3271 states, 2981 states have (on average 1.6259644414625964) internal successors, (4847), 3270 states have internal predecessors, (4847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 3271 states and 4847 transitions. [2022-10-16 16:48:20,441 INFO L78 Accepts]: Start accepts. Automaton has 3271 states and 4847 transitions. Word has length 127 [2022-10-16 16:48:20,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:20,442 INFO L495 AbstractCegarLoop]: Abstraction has 3271 states and 4847 transitions. [2022-10-16 16:48:20,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3271 states and 4847 transitions. [2022-10-16 16:48:20,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 16:48:20,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:20,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:20,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:48:20,445 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:20,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:20,446 INFO L85 PathProgramCache]: Analyzing trace with hash -587865862, now seen corresponding path program 1 times [2022-10-16 16:48:20,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:20,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353195387] [2022-10-16 16:48:20,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:20,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:20,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353195387] [2022-10-16 16:48:20,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353195387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:20,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:20,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:20,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980403568] [2022-10-16 16:48:20,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:20,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:20,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:20,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:20,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:20,629 INFO L87 Difference]: Start difference. First operand 3271 states and 4847 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:21,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:21,558 INFO L93 Difference]: Finished difference Result 3924 states and 5892 transitions. [2022-10-16 16:48:21,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:48:21,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 16:48:21,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:21,580 INFO L225 Difference]: With dead ends: 3924 [2022-10-16 16:48:21,580 INFO L226 Difference]: Without dead ends: 3919 [2022-10-16 16:48:21,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:21,584 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 2389 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 3579 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:21,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2389 Valid, 3579 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:48:21,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3919 states. [2022-10-16 16:48:21,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3919 to 3266. [2022-10-16 16:48:21,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3266 states, 2981 states have (on average 1.6242871519624287) internal successors, (4842), 3265 states have internal predecessors, (4842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 3266 states and 4842 transitions. [2022-10-16 16:48:21,937 INFO L78 Accepts]: Start accepts. Automaton has 3266 states and 4842 transitions. Word has length 129 [2022-10-16 16:48:21,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:21,938 INFO L495 AbstractCegarLoop]: Abstraction has 3266 states and 4842 transitions. [2022-10-16 16:48:21,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:21,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3266 states and 4842 transitions. [2022-10-16 16:48:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 16:48:21,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:21,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:21,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:48:21,941 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:21,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:21,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1043972010, now seen corresponding path program 1 times [2022-10-16 16:48:21,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:21,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033246267] [2022-10-16 16:48:21,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:21,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:22,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:22,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033246267] [2022-10-16 16:48:22,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033246267] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:22,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:22,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:22,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418384345] [2022-10-16 16:48:22,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:22,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:22,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:22,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:22,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:22,133 INFO L87 Difference]: Start difference. First operand 3266 states and 4842 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:23,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:23,293 INFO L93 Difference]: Finished difference Result 3918 states and 5887 transitions. [2022-10-16 16:48:23,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:23,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-16 16:48:23,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:23,315 INFO L225 Difference]: With dead ends: 3918 [2022-10-16 16:48:23,316 INFO L226 Difference]: Without dead ends: 3908 [2022-10-16 16:48:23,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:23,318 INFO L413 NwaCegarLoop]: 1647 mSDtfsCounter, 3778 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3778 SdHoareTripleChecker+Valid, 2659 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:23,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3778 Valid, 2659 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:48:23,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2022-10-16 16:48:23,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3871. [2022-10-16 16:48:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3871 states, 3595 states have (on average 1.631710709318498) internal successors, (5866), 3870 states have internal predecessors, (5866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3871 states to 3871 states and 5866 transitions. [2022-10-16 16:48:23,662 INFO L78 Accepts]: Start accepts. Automaton has 3871 states and 5866 transitions. Word has length 130 [2022-10-16 16:48:23,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:23,663 INFO L495 AbstractCegarLoop]: Abstraction has 3871 states and 5866 transitions. [2022-10-16 16:48:23,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3871 states and 5866 transitions. [2022-10-16 16:48:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 16:48:23,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:23,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:23,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:48:23,666 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:23,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:23,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1765262648, now seen corresponding path program 1 times [2022-10-16 16:48:23,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:23,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222704866] [2022-10-16 16:48:23,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:23,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:23,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222704866] [2022-10-16 16:48:23,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222704866] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:23,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:23,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:23,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020009661] [2022-10-16 16:48:23,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:23,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:23,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:23,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:23,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:23,834 INFO L87 Difference]: Start difference. First operand 3871 states and 5866 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:24,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:24,927 INFO L93 Difference]: Finished difference Result 5138 states and 7948 transitions. [2022-10-16 16:48:24,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:48:24,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 16:48:24,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:24,959 INFO L225 Difference]: With dead ends: 5138 [2022-10-16 16:48:24,959 INFO L226 Difference]: Without dead ends: 5133 [2022-10-16 16:48:24,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:24,963 INFO L413 NwaCegarLoop]: 1858 mSDtfsCounter, 2419 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:24,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 3508 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:48:24,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5133 states. [2022-10-16 16:48:25,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5133 to 3866. [2022-10-16 16:48:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 3595 states have (on average 1.6303198887343533) internal successors, (5861), 3865 states have internal predecessors, (5861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:25,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5861 transitions. [2022-10-16 16:48:25,387 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5861 transitions. Word has length 132 [2022-10-16 16:48:25,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:25,387 INFO L495 AbstractCegarLoop]: Abstraction has 3866 states and 5861 transitions. [2022-10-16 16:48:25,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:25,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5861 transitions. [2022-10-16 16:48:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 16:48:25,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:25,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:25,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:48:25,392 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:25,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1111432225, now seen corresponding path program 1 times [2022-10-16 16:48:25,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:25,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404675410] [2022-10-16 16:48:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:25,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:25,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:25,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404675410] [2022-10-16 16:48:25,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404675410] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:25,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:25,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:25,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913992161] [2022-10-16 16:48:25,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:25,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:25,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:25,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:25,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:25,627 INFO L87 Difference]: Start difference. First operand 3866 states and 5861 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:26,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:26,766 INFO L93 Difference]: Finished difference Result 5132 states and 7943 transitions. [2022-10-16 16:48:26,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:26,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-16 16:48:26,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:26,787 INFO L225 Difference]: With dead ends: 5132 [2022-10-16 16:48:26,787 INFO L226 Difference]: Without dead ends: 5122 [2022-10-16 16:48:26,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:26,790 INFO L413 NwaCegarLoop]: 1633 mSDtfsCounter, 3758 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3758 SdHoareTripleChecker+Valid, 2626 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:26,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3758 Valid, 2626 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:48:26,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2022-10-16 16:48:27,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 5081. [2022-10-16 16:48:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5081 states, 4819 states have (on average 1.641834405478315) internal successors, (7912), 5080 states have internal predecessors, (7912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5081 states to 5081 states and 7912 transitions. [2022-10-16 16:48:27,323 INFO L78 Accepts]: Start accepts. Automaton has 5081 states and 7912 transitions. Word has length 133 [2022-10-16 16:48:27,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:27,324 INFO L495 AbstractCegarLoop]: Abstraction has 5081 states and 7912 transitions. [2022-10-16 16:48:27,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:27,324 INFO L276 IsEmpty]: Start isEmpty. Operand 5081 states and 7912 transitions. [2022-10-16 16:48:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:48:27,326 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:27,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:27,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:48:27,327 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:27,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:27,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1360505697, now seen corresponding path program 1 times [2022-10-16 16:48:27,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:27,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358419478] [2022-10-16 16:48:27,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:27,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:27,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:27,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358419478] [2022-10-16 16:48:27,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358419478] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:27,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:27,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:27,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982353600] [2022-10-16 16:48:27,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:27,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:27,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:27,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:27,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:27,514 INFO L87 Difference]: Start difference. First operand 5081 states and 7912 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:28,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:28,589 INFO L93 Difference]: Finished difference Result 7572 states and 12058 transitions. [2022-10-16 16:48:28,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:48:28,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 16:48:28,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:28,614 INFO L225 Difference]: With dead ends: 7572 [2022-10-16 16:48:28,615 INFO L226 Difference]: Without dead ends: 7567 [2022-10-16 16:48:28,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:28,620 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 2512 mSDsluCounter, 1691 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2512 SdHoareTripleChecker+Valid, 3621 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:28,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2512 Valid, 3621 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:48:28,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7567 states. [2022-10-16 16:48:29,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7567 to 5076. [2022-10-16 16:48:29,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5076 states, 4819 states have (on average 1.6407968458186346) internal successors, (7907), 5075 states have internal predecessors, (7907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:29,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 7907 transitions. [2022-10-16 16:48:29,135 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 7907 transitions. Word has length 135 [2022-10-16 16:48:29,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:29,136 INFO L495 AbstractCegarLoop]: Abstraction has 5076 states and 7907 transitions. [2022-10-16 16:48:29,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:29,136 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 7907 transitions. [2022-10-16 16:48:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:48:29,138 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:29,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:29,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:48:29,139 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:29,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:29,139 INFO L85 PathProgramCache]: Analyzing trace with hash -773995811, now seen corresponding path program 1 times [2022-10-16 16:48:29,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:29,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035477134] [2022-10-16 16:48:29,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:29,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:29,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:29,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035477134] [2022-10-16 16:48:29,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035477134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:29,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:29,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:29,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930017874] [2022-10-16 16:48:29,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:29,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:29,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:29,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:29,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:29,315 INFO L87 Difference]: Start difference. First operand 5076 states and 7907 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:30,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:30,645 INFO L93 Difference]: Finished difference Result 8113 states and 12962 transitions. [2022-10-16 16:48:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:30,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:48:30,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:30,670 INFO L225 Difference]: With dead ends: 8113 [2022-10-16 16:48:30,671 INFO L226 Difference]: Without dead ends: 8103 [2022-10-16 16:48:30,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:30,677 INFO L413 NwaCegarLoop]: 1773 mSDtfsCounter, 3767 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3767 SdHoareTripleChecker+Valid, 2785 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:30,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3767 Valid, 2785 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:48:30,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8103 states. [2022-10-16 16:48:31,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8103 to 8051. [2022-10-16 16:48:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8051 states, 7803 states have (on average 1.653851082916827) internal successors, (12905), 8050 states have internal predecessors, (12905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8051 states to 8051 states and 12905 transitions. [2022-10-16 16:48:31,532 INFO L78 Accepts]: Start accepts. Automaton has 8051 states and 12905 transitions. Word has length 136 [2022-10-16 16:48:31,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:31,533 INFO L495 AbstractCegarLoop]: Abstraction has 8051 states and 12905 transitions. [2022-10-16 16:48:31,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:31,533 INFO L276 IsEmpty]: Start isEmpty. Operand 8051 states and 12905 transitions. [2022-10-16 16:48:31,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:48:31,535 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:31,536 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:31,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:48:31,536 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:31,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:31,537 INFO L85 PathProgramCache]: Analyzing trace with hash -780614721, now seen corresponding path program 1 times [2022-10-16 16:48:31,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:31,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262317190] [2022-10-16 16:48:31,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:31,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:31,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:31,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262317190] [2022-10-16 16:48:31,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262317190] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:31,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:31,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:31,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057887584] [2022-10-16 16:48:31,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:31,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:31,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:31,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:31,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:31,710 INFO L87 Difference]: Start difference. First operand 8051 states and 12905 transitions. Second operand has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:33,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:33,348 INFO L93 Difference]: Finished difference Result 14319 states and 23371 transitions. [2022-10-16 16:48:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:48:33,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:48:33,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:33,389 INFO L225 Difference]: With dead ends: 14319 [2022-10-16 16:48:33,389 INFO L226 Difference]: Without dead ends: 14314 [2022-10-16 16:48:33,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:33,396 INFO L413 NwaCegarLoop]: 2006 mSDtfsCounter, 2717 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:33,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2717 Valid, 3626 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14314 states. [2022-10-16 16:48:34,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14314 to 8046. [2022-10-16 16:48:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8046 states, 7803 states have (on average 1.6532103037293349) internal successors, (12900), 8045 states have internal predecessors, (12900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8046 states to 8046 states and 12900 transitions. [2022-10-16 16:48:34,229 INFO L78 Accepts]: Start accepts. Automaton has 8046 states and 12900 transitions. Word has length 138 [2022-10-16 16:48:34,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:34,230 INFO L495 AbstractCegarLoop]: Abstraction has 8046 states and 12900 transitions. [2022-10-16 16:48:34,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 8046 states and 12900 transitions. [2022-10-16 16:48:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:48:34,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:34,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:34,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:48:34,232 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:34,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:34,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1570747974, now seen corresponding path program 1 times [2022-10-16 16:48:34,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:34,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169325829] [2022-10-16 16:48:34,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:34,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:34,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:34,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169325829] [2022-10-16 16:48:34,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169325829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:34,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:34,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:34,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769822404] [2022-10-16 16:48:34,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:34,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:34,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:34,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:34,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:34,427 INFO L87 Difference]: Start difference. First operand 8046 states and 12900 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:36,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:36,035 INFO L93 Difference]: Finished difference Result 14657 states and 23929 transitions. [2022-10-16 16:48:36,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:36,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:48:36,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:36,078 INFO L225 Difference]: With dead ends: 14657 [2022-10-16 16:48:36,078 INFO L226 Difference]: Without dead ends: 14647 [2022-10-16 16:48:36,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:36,085 INFO L413 NwaCegarLoop]: 1919 mSDtfsCounter, 3810 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3810 SdHoareTripleChecker+Valid, 2912 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:36,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3810 Valid, 2912 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:36,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14647 states. [2022-10-16 16:48:37,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14647 to 14572. [2022-10-16 16:48:37,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14572 states, 14338 states have (on average 1.6610405914353465) internal successors, (23816), 14571 states have internal predecessors, (23816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14572 states to 14572 states and 23816 transitions. [2022-10-16 16:48:37,416 INFO L78 Accepts]: Start accepts. Automaton has 14572 states and 23816 transitions. Word has length 139 [2022-10-16 16:48:37,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:37,417 INFO L495 AbstractCegarLoop]: Abstraction has 14572 states and 23816 transitions. [2022-10-16 16:48:37,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 14572 states and 23816 transitions. [2022-10-16 16:48:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 16:48:37,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:37,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:37,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:48:37,420 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:37,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1154382326, now seen corresponding path program 1 times [2022-10-16 16:48:37,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:37,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327043374] [2022-10-16 16:48:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:37,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:37,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327043374] [2022-10-16 16:48:37,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327043374] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:37,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:37,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:37,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548286010] [2022-10-16 16:48:37,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:37,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:37,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:37,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:37,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:37,601 INFO L87 Difference]: Start difference. First operand 14572 states and 23816 transitions. Second operand has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:39,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:39,976 INFO L93 Difference]: Finished difference Result 24428 states and 40346 transitions. [2022-10-16 16:48:39,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:48:39,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2022-10-16 16:48:39,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:40,043 INFO L225 Difference]: With dead ends: 24428 [2022-10-16 16:48:40,044 INFO L226 Difference]: Without dead ends: 24423 [2022-10-16 16:48:40,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:40,057 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 2258 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 4590 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:40,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2258 Valid, 4590 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:48:40,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24423 states. [2022-10-16 16:48:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24423 to 14567. [2022-10-16 16:48:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14567 states, 14338 states have (on average 1.660691867763984) internal successors, (23811), 14566 states have internal predecessors, (23811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:41,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14567 states to 14567 states and 23811 transitions. [2022-10-16 16:48:41,672 INFO L78 Accepts]: Start accepts. Automaton has 14567 states and 23811 transitions. Word has length 151 [2022-10-16 16:48:41,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:41,673 INFO L495 AbstractCegarLoop]: Abstraction has 14567 states and 23811 transitions. [2022-10-16 16:48:41,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:41,673 INFO L276 IsEmpty]: Start isEmpty. Operand 14567 states and 23811 transitions. [2022-10-16 16:48:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 16:48:41,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:41,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:41,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:48:41,678 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:41,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:41,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1426114322, now seen corresponding path program 1 times [2022-10-16 16:48:41,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:41,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243685620] [2022-10-16 16:48:41,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:41,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:41,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:41,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243685620] [2022-10-16 16:48:41,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243685620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:41,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:41,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:41,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815256971] [2022-10-16 16:48:41,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:41,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:41,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:41,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:41,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:41,889 INFO L87 Difference]: Start difference. First operand 14567 states and 23811 transitions. Second operand has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:44,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:44,837 INFO L93 Difference]: Finished difference Result 27739 states and 45807 transitions. [2022-10-16 16:48:44,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:44,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2022-10-16 16:48:44,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:44,906 INFO L225 Difference]: With dead ends: 27739 [2022-10-16 16:48:44,906 INFO L226 Difference]: Without dead ends: 27726 [2022-10-16 16:48:44,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:44,927 INFO L413 NwaCegarLoop]: 1878 mSDtfsCounter, 3737 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3737 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:44,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3737 Valid, 2919 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27726 states. [2022-10-16 16:48:47,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27726 to 27694. [2022-10-16 16:48:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27694 states, 27476 states have (on average 1.6635609258989663) internal successors, (45708), 27693 states have internal predecessors, (45708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27694 states to 27694 states and 45708 transitions. [2022-10-16 16:48:47,834 INFO L78 Accepts]: Start accepts. Automaton has 27694 states and 45708 transitions. Word has length 152 [2022-10-16 16:48:47,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:47,834 INFO L495 AbstractCegarLoop]: Abstraction has 27694 states and 45708 transitions. [2022-10-16 16:48:47,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 27694 states and 45708 transitions. [2022-10-16 16:48:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 16:48:47,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:47,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:47,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:48:47,838 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:47,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:47,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1259871608, now seen corresponding path program 1 times [2022-10-16 16:48:47,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:47,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440786043] [2022-10-16 16:48:47,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:47,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:48,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:48,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440786043] [2022-10-16 16:48:48,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440786043] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:48,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:48,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:48:48,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437973169] [2022-10-16 16:48:48,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:48,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:48:48,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:48,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:48:48,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:48,036 INFO L87 Difference]: Start difference. First operand 27694 states and 45708 transitions. Second operand has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:51,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:51,557 INFO L93 Difference]: Finished difference Result 37548 states and 62174 transitions. [2022-10-16 16:48:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:48:51,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-16 16:48:51,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:51,628 INFO L225 Difference]: With dead ends: 37548 [2022-10-16 16:48:51,628 INFO L226 Difference]: Without dead ends: 37543 [2022-10-16 16:48:51,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:48:51,651 INFO L413 NwaCegarLoop]: 2308 mSDtfsCounter, 3087 mSDsluCounter, 3599 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 5907 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:51,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3087 Valid, 5907 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:48:51,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37543 states. [2022-10-16 16:48:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37543 to 27689. [2022-10-16 16:48:54,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27689 states, 27476 states have (on average 1.663378948900859) internal successors, (45703), 27688 states have internal predecessors, (45703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27689 states to 27689 states and 45703 transitions. [2022-10-16 16:48:54,952 INFO L78 Accepts]: Start accepts. Automaton has 27689 states and 45703 transitions. Word has length 153 [2022-10-16 16:48:54,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:54,953 INFO L495 AbstractCegarLoop]: Abstraction has 27689 states and 45703 transitions. [2022-10-16 16:48:54,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 27689 states and 45703 transitions. [2022-10-16 16:48:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 16:48:54,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:54,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:54,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:48:54,959 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:48:54,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:54,960 INFO L85 PathProgramCache]: Analyzing trace with hash 401314772, now seen corresponding path program 1 times [2022-10-16 16:48:54,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:54,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609336037] [2022-10-16 16:48:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:54,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:55,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:55,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609336037] [2022-10-16 16:48:55,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609336037] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:55,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:55,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:48:55,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088730731] [2022-10-16 16:48:55,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:55,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:48:55,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:55,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:48:55,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:55,158 INFO L87 Difference]: Start difference. First operand 27689 states and 45703 transitions. Second operand has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:59,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:59,240 INFO L93 Difference]: Finished difference Result 40891 states and 67611 transitions. [2022-10-16 16:48:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:48:59,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2022-10-16 16:48:59,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:59,320 INFO L225 Difference]: With dead ends: 40891 [2022-10-16 16:48:59,320 INFO L226 Difference]: Without dead ends: 40880 [2022-10-16 16:48:59,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:48:59,333 INFO L413 NwaCegarLoop]: 1852 mSDtfsCounter, 5785 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5785 SdHoareTripleChecker+Valid, 3772 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:59,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5785 Valid, 3772 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:48:59,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40880 states. [2022-10-16 16:49:03,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40880 to 40818. [2022-10-16 16:49:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40818 states, 40614 states have (on average 1.6623331856010244) internal successors, (67514), 40817 states have internal predecessors, (67514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40818 states to 40818 states and 67514 transitions. [2022-10-16 16:49:03,907 INFO L78 Accepts]: Start accepts. Automaton has 40818 states and 67514 transitions. Word has length 154 [2022-10-16 16:49:03,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:03,908 INFO L495 AbstractCegarLoop]: Abstraction has 40818 states and 67514 transitions. [2022-10-16 16:49:03,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 40818 states and 67514 transitions. [2022-10-16 16:49:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 16:49:03,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:03,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:03,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:49:03,910 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:49:03,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:03,910 INFO L85 PathProgramCache]: Analyzing trace with hash -444143366, now seen corresponding path program 1 times [2022-10-16 16:49:03,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:03,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040981367] [2022-10-16 16:49:03,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:03,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:04,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:04,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040981367] [2022-10-16 16:49:04,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040981367] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:04,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:04,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:49:04,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835200957] [2022-10-16 16:49:04,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:04,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:49:04,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:04,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:49:04,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:49:04,134 INFO L87 Difference]: Start difference. First operand 40818 states and 67514 transitions. Second operand has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:17,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:17,890 INFO L93 Difference]: Finished difference Result 157492 states and 262113 transitions. [2022-10-16 16:49:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 16:49:17,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2022-10-16 16:49:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:18,193 INFO L225 Difference]: With dead ends: 157492 [2022-10-16 16:49:18,193 INFO L226 Difference]: Without dead ends: 118029 [2022-10-16 16:49:18,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-10-16 16:49:18,275 INFO L413 NwaCegarLoop]: 2869 mSDtfsCounter, 4262 mSDsluCounter, 6341 mSDsCounter, 0 mSdLazyCounter, 1584 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4262 SdHoareTripleChecker+Valid, 9210 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:18,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4262 Valid, 9210 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1584 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:49:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118029 states. [2022-10-16 16:49:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118029 to 78934. [2022-10-16 16:49:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78934 states, 78735 states have (on average 1.6602527465548993) internal successors, (130720), 78933 states have internal predecessors, (130720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78934 states to 78934 states and 130720 transitions. [2022-10-16 16:49:27,828 INFO L78 Accepts]: Start accepts. Automaton has 78934 states and 130720 transitions. Word has length 155 [2022-10-16 16:49:27,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:27,828 INFO L495 AbstractCegarLoop]: Abstraction has 78934 states and 130720 transitions. [2022-10-16 16:49:27,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 78934 states and 130720 transitions. [2022-10-16 16:49:27,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-16 16:49:27,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:27,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:27,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:49:27,830 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:49:27,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:27,831 INFO L85 PathProgramCache]: Analyzing trace with hash -883541866, now seen corresponding path program 1 times [2022-10-16 16:49:27,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:27,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547640889] [2022-10-16 16:49:27,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:27,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:28,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:28,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547640889] [2022-10-16 16:49:28,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547640889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:28,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:28,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:49:28,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539616481] [2022-10-16 16:49:28,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:28,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:49:28,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:28,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:49:28,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:49:28,059 INFO L87 Difference]: Start difference. First operand 78934 states and 130720 transitions. Second operand has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:41,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:41,183 INFO L93 Difference]: Finished difference Result 117627 states and 194999 transitions. [2022-10-16 16:49:41,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:49:41,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2022-10-16 16:49:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:41,590 INFO L225 Difference]: With dead ends: 117627 [2022-10-16 16:49:41,591 INFO L226 Difference]: Without dead ends: 117615 [2022-10-16 16:49:41,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:49:41,625 INFO L413 NwaCegarLoop]: 1833 mSDtfsCounter, 8658 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8658 SdHoareTripleChecker+Valid, 5299 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:41,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8658 Valid, 5299 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:49:41,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117615 states. [2022-10-16 16:49:54,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117615 to 117458. [2022-10-16 16:49:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117458 states, 117266 states have (on average 1.658281172718435) internal successors, (194460), 117457 states have internal predecessors, (194460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117458 states to 117458 states and 194460 transitions. [2022-10-16 16:49:55,526 INFO L78 Accepts]: Start accepts. Automaton has 117458 states and 194460 transitions. Word has length 156 [2022-10-16 16:49:55,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:55,527 INFO L495 AbstractCegarLoop]: Abstraction has 117458 states and 194460 transitions. [2022-10-16 16:49:55,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.2) internal successors, (156), 6 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 117458 states and 194460 transitions. [2022-10-16 16:49:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-10-16 16:49:55,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:55,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:55,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:49:55,531 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr160ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 433 more)] === [2022-10-16 16:49:55,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:55,532 INFO L85 PathProgramCache]: Analyzing trace with hash -533285742, now seen corresponding path program 1 times [2022-10-16 16:49:55,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:55,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197797380] [2022-10-16 16:49:55,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:55,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:55,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:55,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197797380] [2022-10-16 16:49:55,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197797380] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:55,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:55,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:49:55,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200466199] [2022-10-16 16:49:55,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:55,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:49:55,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:55,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:49:55,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:49:55,957 INFO L87 Difference]: Start difference. First operand 117458 states and 194460 transitions. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:24,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:50:24,563 INFO L93 Difference]: Finished difference Result 349336 states and 579022 transitions. [2022-10-16 16:50:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:50:24,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 0 states have call successors, (0), 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 472 [2022-10-16 16:50:24,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:50:25,235 INFO L225 Difference]: With dead ends: 349336 [2022-10-16 16:50:25,236 INFO L226 Difference]: Without dead ends: 232957 [2022-10-16 16:50:25,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:50:25,441 INFO L413 NwaCegarLoop]: 2329 mSDtfsCounter, 1089 mSDsluCounter, 1608 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 3937 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:50:25,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 3937 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:50:25,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232957 states.