/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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:06:13,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:06:13,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:06:13,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:06:13,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:06:13,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:06:13,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:06:13,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:06:13,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:06:13,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:06:13,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:06:13,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:06:13,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:06:13,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:06:13,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:06:13,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:06:13,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:06:13,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:06:13,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:06:13,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:06:13,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:06:13,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:06:13,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:06:13,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:06:13,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:06:13,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:06:13,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:06:13,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:06:13,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:06:13,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:06:13,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:06:13,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:06:13,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:06:13,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:06:13,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:06:13,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:06:13,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:06:13,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:06:13,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:06:13,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:06:13,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:06:13,489 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 [2022-10-15 22:06:13,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:06:13,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:06:13,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:06:13,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:06:13,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:06:13,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:06:13,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:06:13,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:06:13,523 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:06:13,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:06:13,524 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:06:13,524 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:06:13,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:06:13,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:06:13,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:06:13,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:06:13,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:06:13,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:06:13,526 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:06:13,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:06:13,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:06:13,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:06:13,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:06:13,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:06:13,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:06:13,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:06:13,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:06:13,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:06:13,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:06:13,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:06:13,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:06:13,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:06:13,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:06:13,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:06:13,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:06:14,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:06:14,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:06:14,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:06:14,023 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:06:14,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:06:14,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb585f3bd/299949b214594bd0bee5de587fec041f/FLAG7a845cda1 [2022-10-15 22:06:14,831 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:06:14,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:06:14,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb585f3bd/299949b214594bd0bee5de587fec041f/FLAG7a845cda1 [2022-10-15 22:06:15,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb585f3bd/299949b214594bd0bee5de587fec041f [2022-10-15 22:06:15,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:06:15,113 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:06:15,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:06:15,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:06:15,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:06:15,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:06:15" (1/1) ... [2022-10-15 22:06:15,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352d3bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:15, skipping insertion in model container [2022-10-15 22:06:15,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:06:15" (1/1) ... [2022-10-15 22:06:15,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:06:15,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:06:15,731 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2022-10-15 22:06:15,743 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2022-10-15 22:06:15,761 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2022-10-15 22:06:15,776 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2022-10-15 22:06:15,864 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2022-10-15 22:06:15,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:06:15,950 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:06:16,060 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14146,14159] [2022-10-15 22:06:16,067 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14793,14806] [2022-10-15 22:06:16,077 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16069,16082] [2022-10-15 22:06:16,087 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17045,17058] [2022-10-15 22:06:16,149 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_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25516,25529] [2022-10-15 22:06:16,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:06:16,214 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:06:16,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16 WrapperNode [2022-10-15 22:06:16,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:06:16,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:06:16,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:06:16,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:06:16,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,352 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1767 [2022-10-15 22:06:16,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:06:16,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:06:16,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:06:16,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:06:16,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,487 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:06:16,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:06:16,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:06:16,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:06:16,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (1/1) ... [2022-10-15 22:06:16,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:06:16,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:06:16,550 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) [2022-10-15 22:06:16,558 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 [2022-10-15 22:06:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:06:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:06:16,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:06:16,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:06:16,770 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:06:16,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:06:18,737 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:06:18,761 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:06:18,761 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:06:18,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:06:18 BoogieIcfgContainer [2022-10-15 22:06:18,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:06:18,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:06:18,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:06:18,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:06:18,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:06:15" (1/3) ... [2022-10-15 22:06:18,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b441a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:06:18, skipping insertion in model container [2022-10-15 22:06:18,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:06:16" (2/3) ... [2022-10-15 22:06:18,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b441a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:06:18, skipping insertion in model container [2022-10-15 22:06:18,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:06:18" (3/3) ... [2022-10-15 22:06:18,779 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:06:18,802 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:06:18,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 202 error locations. [2022-10-15 22:06:18,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:06:18,919 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;@2a5b0ffb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:06:18,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 202 error locations. [2022-10-15 22:06:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 779 states, 576 states have (on average 1.8888888888888888) internal successors, (1088), 778 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:18,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:06:18,940 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:18,941 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] [2022-10-15 22:06:18,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:18,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:18,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1661246250, now seen corresponding path program 1 times [2022-10-15 22:06:18,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:18,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136944422] [2022-10-15 22:06:18,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:18,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:19,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:19,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136944422] [2022-10-15 22:06:19,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136944422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:19,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:19,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:19,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632487424] [2022-10-15 22:06:19,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:19,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:19,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:19,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:19,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:19,678 INFO L87 Difference]: Start difference. First operand has 779 states, 576 states have (on average 1.8888888888888888) internal successors, (1088), 778 states have internal predecessors, (1088), 0 states have call successors, (0), 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 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:20,359 INFO L93 Difference]: Finished difference Result 919 states and 1293 transitions. [2022-10-15 22:06:20,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:20,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2022-10-15 22:06:20,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:20,419 INFO L225 Difference]: With dead ends: 919 [2022-10-15 22:06:20,419 INFO L226 Difference]: Without dead ends: 863 [2022-10-15 22:06:20,427 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 [2022-10-15 22:06:20,435 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 733 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:20,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 1151 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:06:20,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2022-10-15 22:06:20,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 843. [2022-10-15 22:06:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 677 states have (on average 1.6085672082717872) internal successors, (1089), 842 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1089 transitions. [2022-10-15 22:06:20,628 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1089 transitions. Word has length 58 [2022-10-15 22:06:20,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:20,628 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1089 transitions. [2022-10-15 22:06:20,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:20,629 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1089 transitions. [2022-10-15 22:06:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:06:20,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:20,631 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] [2022-10-15 22:06:20,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:06:20,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:20,633 INFO L85 PathProgramCache]: Analyzing trace with hash 40974051, now seen corresponding path program 1 times [2022-10-15 22:06:20,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:20,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593905216] [2022-10-15 22:06:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:20,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:20,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593905216] [2022-10-15 22:06:20,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593905216] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:20,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:20,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:20,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289995561] [2022-10-15 22:06:20,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:20,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:20,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:20,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:20,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:20,860 INFO L87 Difference]: Start difference. First operand 843 states and 1089 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:21,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:21,267 INFO L93 Difference]: Finished difference Result 866 states and 1089 transitions. [2022-10-15 22:06:21,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:21,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-15 22:06:21,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:21,274 INFO L225 Difference]: With dead ends: 866 [2022-10-15 22:06:21,275 INFO L226 Difference]: Without dead ends: 853 [2022-10-15 22:06:21,276 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 [2022-10-15 22:06:21,278 INFO L413 NwaCegarLoop]: 730 mSDtfsCounter, 612 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:21,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 1003 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:06:21,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2022-10-15 22:06:21,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 833. [2022-10-15 22:06:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 677 states have (on average 1.589364844903988) internal successors, (1076), 832 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1076 transitions. [2022-10-15 22:06:21,319 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1076 transitions. Word has length 59 [2022-10-15 22:06:21,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:21,319 INFO L495 AbstractCegarLoop]: Abstraction has 833 states and 1076 transitions. [2022-10-15 22:06:21,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1076 transitions. [2022-10-15 22:06:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:06:21,322 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:21,322 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] [2022-10-15 22:06:21,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:06:21,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:21,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:21,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1270195832, now seen corresponding path program 1 times [2022-10-15 22:06:21,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:21,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322217794] [2022-10-15 22:06:21,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:21,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:21,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:21,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322217794] [2022-10-15 22:06:21,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322217794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:21,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:21,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:21,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667491785] [2022-10-15 22:06:21,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:21,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:21,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:21,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:21,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:21,509 INFO L87 Difference]: Start difference. First operand 833 states and 1076 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:21,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:21,840 INFO L93 Difference]: Finished difference Result 992 states and 1330 transitions. [2022-10-15 22:06:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:21,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-15 22:06:21,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:21,847 INFO L225 Difference]: With dead ends: 992 [2022-10-15 22:06:21,847 INFO L226 Difference]: Without dead ends: 978 [2022-10-15 22:06:21,849 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 [2022-10-15 22:06:21,850 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 696 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:21,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 823 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:06:21,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2022-10-15 22:06:21,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 976. [2022-10-15 22:06:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 833 states have (on average 1.5762304921968788) internal successors, (1313), 975 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1313 transitions. [2022-10-15 22:06:21,906 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1313 transitions. Word has length 60 [2022-10-15 22:06:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:21,907 INFO L495 AbstractCegarLoop]: Abstraction has 976 states and 1313 transitions. [2022-10-15 22:06:21,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1313 transitions. [2022-10-15 22:06:21,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:06:21,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:21,909 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] [2022-10-15 22:06:21,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:06:21,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:21,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:21,910 INFO L85 PathProgramCache]: Analyzing trace with hash 721365381, now seen corresponding path program 1 times [2022-10-15 22:06:21,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:21,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110012282] [2022-10-15 22:06:21,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:21,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:22,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:22,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110012282] [2022-10-15 22:06:22,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110012282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:22,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:22,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:06:22,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746325815] [2022-10-15 22:06:22,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:22,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:22,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:22,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:22,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:22,077 INFO L87 Difference]: Start difference. First operand 976 states and 1313 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:22,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:22,445 INFO L93 Difference]: Finished difference Result 1281 states and 1787 transitions. [2022-10-15 22:06:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:22,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-15 22:06:22,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:22,453 INFO L225 Difference]: With dead ends: 1281 [2022-10-15 22:06:22,453 INFO L226 Difference]: Without dead ends: 1270 [2022-10-15 22:06:22,455 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 [2022-10-15 22:06:22,456 INFO L413 NwaCegarLoop]: 722 mSDtfsCounter, 611 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:22,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 927 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:06:22,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2022-10-15 22:06:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1250. [2022-10-15 22:06:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1115 states have (on average 1.588340807174888) internal successors, (1771), 1249 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1771 transitions. [2022-10-15 22:06:22,557 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1771 transitions. Word has length 61 [2022-10-15 22:06:22,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:22,557 INFO L495 AbstractCegarLoop]: Abstraction has 1250 states and 1771 transitions. [2022-10-15 22:06:22,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1771 transitions. [2022-10-15 22:06:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:06:22,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:22,559 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] [2022-10-15 22:06:22,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:06:22,560 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:22,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:22,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1742404679, now seen corresponding path program 1 times [2022-10-15 22:06:22,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:22,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491214331] [2022-10-15 22:06:22,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:22,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:22,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:22,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491214331] [2022-10-15 22:06:22,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491214331] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:22,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:22,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:22,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804850797] [2022-10-15 22:06:22,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:22,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:22,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:22,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:22,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:22,664 INFO L87 Difference]: Start difference. First operand 1250 states and 1771 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:23,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:23,127 INFO L93 Difference]: Finished difference Result 1604 states and 2327 transitions. [2022-10-15 22:06:23,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:06:23,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-15 22:06:23,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:23,137 INFO L225 Difference]: With dead ends: 1604 [2022-10-15 22:06:23,137 INFO L226 Difference]: Without dead ends: 1601 [2022-10-15 22:06:23,139 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 [2022-10-15 22:06:23,140 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 932 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:23,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 1359 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:06:23,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2022-10-15 22:06:23,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1247. [2022-10-15 22:06:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1115 states have (on average 1.5856502242152466) internal successors, (1768), 1246 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1768 transitions. [2022-10-15 22:06:23,233 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1768 transitions. Word has length 63 [2022-10-15 22:06:23,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:23,234 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1768 transitions. [2022-10-15 22:06:23,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1768 transitions. [2022-10-15 22:06:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:06:23,236 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:23,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:23,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:06:23,236 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:23,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:23,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1820029539, now seen corresponding path program 1 times [2022-10-15 22:06:23,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:23,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163939715] [2022-10-15 22:06:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:23,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:23,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163939715] [2022-10-15 22:06:23,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163939715] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:23,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:23,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:23,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710208951] [2022-10-15 22:06:23,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:23,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:23,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:23,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:23,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:23,373 INFO L87 Difference]: Start difference. First operand 1247 states and 1768 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:23,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:23,838 INFO L93 Difference]: Finished difference Result 1600 states and 2324 transitions. [2022-10-15 22:06:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:06:23,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:06:23,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:23,848 INFO L225 Difference]: With dead ends: 1600 [2022-10-15 22:06:23,849 INFO L226 Difference]: Without dead ends: 1593 [2022-10-15 22:06:23,850 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 [2022-10-15 22:06:23,858 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 1606 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:23,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 916 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:06:23,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-10-15 22:06:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1568. [2022-10-15 22:06:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1442 states have (on average 1.6005547850208044) internal successors, (2308), 1567 states have internal predecessors, (2308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2308 transitions. [2022-10-15 22:06:24,014 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2308 transitions. Word has length 64 [2022-10-15 22:06:24,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:24,014 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2308 transitions. [2022-10-15 22:06:24,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2308 transitions. [2022-10-15 22:06:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:06:24,018 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:24,018 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] [2022-10-15 22:06:24,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:06:24,019 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:24,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:24,020 INFO L85 PathProgramCache]: Analyzing trace with hash -996689089, now seen corresponding path program 1 times [2022-10-15 22:06:24,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:24,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906679805] [2022-10-15 22:06:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:24,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:24,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:24,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906679805] [2022-10-15 22:06:24,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906679805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:24,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:24,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:24,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329873817] [2022-10-15 22:06:24,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:24,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:24,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:24,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:24,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:24,184 INFO L87 Difference]: Start difference. First operand 1568 states and 2308 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:24,701 INFO L93 Difference]: Finished difference Result 2249 states and 3412 transitions. [2022-10-15 22:06:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:06:24,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 22:06:24,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:24,714 INFO L225 Difference]: With dead ends: 2249 [2022-10-15 22:06:24,714 INFO L226 Difference]: Without dead ends: 2246 [2022-10-15 22:06:24,716 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 [2022-10-15 22:06:24,716 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 956 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:24,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 1293 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:06:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2022-10-15 22:06:24,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 1565. [2022-10-15 22:06:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1442 states have (on average 1.5984743411927878) internal successors, (2305), 1564 states have internal predecessors, (2305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2305 transitions. [2022-10-15 22:06:24,860 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2305 transitions. Word has length 66 [2022-10-15 22:06:24,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:24,860 INFO L495 AbstractCegarLoop]: Abstraction has 1565 states and 2305 transitions. [2022-10-15 22:06:24,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2305 transitions. [2022-10-15 22:06:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:06:24,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:24,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:24,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:06:24,862 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:24,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:24,863 INFO L85 PathProgramCache]: Analyzing trace with hash -832590420, now seen corresponding path program 1 times [2022-10-15 22:06:24,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:24,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044168385] [2022-10-15 22:06:24,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:24,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:24,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:24,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044168385] [2022-10-15 22:06:24,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044168385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:24,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:24,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:24,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332420040] [2022-10-15 22:06:24,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:24,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:24,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:24,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:24,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:24,984 INFO L87 Difference]: Start difference. First operand 1565 states and 2305 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:25,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:25,538 INFO L93 Difference]: Finished difference Result 2245 states and 3409 transitions. [2022-10-15 22:06:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:06:25,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:06:25,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:25,551 INFO L225 Difference]: With dead ends: 2245 [2022-10-15 22:06:25,552 INFO L226 Difference]: Without dead ends: 2238 [2022-10-15 22:06:25,553 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 [2022-10-15 22:06:25,554 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 1607 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1607 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:25,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1607 Valid, 893 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:06:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2022-10-15 22:06:25,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2209. [2022-10-15 22:06:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2209 states, 2092 states have (on average 1.617112810707457) internal successors, (3383), 2208 states have internal predecessors, (3383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 3383 transitions. [2022-10-15 22:06:25,772 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 3383 transitions. Word has length 67 [2022-10-15 22:06:25,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:25,772 INFO L495 AbstractCegarLoop]: Abstraction has 2209 states and 3383 transitions. [2022-10-15 22:06:25,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 3383 transitions. [2022-10-15 22:06:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:06:25,773 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:25,774 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] [2022-10-15 22:06:25,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:06:25,774 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:25,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:25,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1255467922, now seen corresponding path program 1 times [2022-10-15 22:06:25,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:25,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278221027] [2022-10-15 22:06:25,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:25,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:25,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:25,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278221027] [2022-10-15 22:06:25,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278221027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:25,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:25,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:25,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493804742] [2022-10-15 22:06:25,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:25,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:25,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:25,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:25,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:25,872 INFO L87 Difference]: Start difference. First operand 2209 states and 3383 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:26,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:26,477 INFO L93 Difference]: Finished difference Result 3667 states and 5779 transitions. [2022-10-15 22:06:26,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:06:26,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 22:06:26,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:26,496 INFO L225 Difference]: With dead ends: 3667 [2022-10-15 22:06:26,497 INFO L226 Difference]: Without dead ends: 3664 [2022-10-15 22:06:26,498 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 [2022-10-15 22:06:26,499 INFO L413 NwaCegarLoop]: 737 mSDtfsCounter, 1026 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:26,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 1360 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:06:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3664 states. [2022-10-15 22:06:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3664 to 2206. [2022-10-15 22:06:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 2092 states have (on average 1.615678776290631) internal successors, (3380), 2205 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:26,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 3380 transitions. [2022-10-15 22:06:26,710 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 3380 transitions. Word has length 69 [2022-10-15 22:06:26,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:26,711 INFO L495 AbstractCegarLoop]: Abstraction has 2206 states and 3380 transitions. [2022-10-15 22:06:26,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:26,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 3380 transitions. [2022-10-15 22:06:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 22:06:26,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:26,712 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] [2022-10-15 22:06:26,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:06:26,713 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash -264799644, now seen corresponding path program 1 times [2022-10-15 22:06:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:26,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522412490] [2022-10-15 22:06:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:26,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:26,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:26,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:26,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522412490] [2022-10-15 22:06:26,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522412490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:26,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:26,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:26,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286127812] [2022-10-15 22:06:26,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:26,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:26,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:26,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:26,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:26,826 INFO L87 Difference]: Start difference. First operand 2206 states and 3380 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:27,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:27,419 INFO L93 Difference]: Finished difference Result 3852 states and 6084 transitions. [2022-10-15 22:06:27,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:06:27,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-15 22:06:27,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:27,441 INFO L225 Difference]: With dead ends: 3852 [2022-10-15 22:06:27,441 INFO L226 Difference]: Without dead ends: 3845 [2022-10-15 22:06:27,442 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 [2022-10-15 22:06:27,443 INFO L413 NwaCegarLoop]: 678 mSDtfsCounter, 1614 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:27,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 999 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:06:27,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3845 states. [2022-10-15 22:06:27,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3845 to 3805. [2022-10-15 22:06:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3805 states, 3697 states have (on average 1.631593183662429) internal successors, (6032), 3804 states have internal predecessors, (6032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3805 states to 3805 states and 6032 transitions. [2022-10-15 22:06:27,878 INFO L78 Accepts]: Start accepts. Automaton has 3805 states and 6032 transitions. Word has length 70 [2022-10-15 22:06:27,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:27,878 INFO L495 AbstractCegarLoop]: Abstraction has 3805 states and 6032 transitions. [2022-10-15 22:06:27,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3805 states and 6032 transitions. [2022-10-15 22:06:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 22:06:27,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:27,880 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] [2022-10-15 22:06:27,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:06:27,880 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:27,881 INFO L85 PathProgramCache]: Analyzing trace with hash 2010019218, now seen corresponding path program 1 times [2022-10-15 22:06:27,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:27,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133134569] [2022-10-15 22:06:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:27,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:27,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:27,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133134569] [2022-10-15 22:06:27,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133134569] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:27,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:27,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:27,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195581331] [2022-10-15 22:06:27,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:27,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:27,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:27,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:27,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:27,989 INFO L87 Difference]: Start difference. First operand 3805 states and 6032 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:28,875 INFO L93 Difference]: Finished difference Result 6467 states and 10438 transitions. [2022-10-15 22:06:28,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:06:28,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 22:06:28,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:28,911 INFO L225 Difference]: With dead ends: 6467 [2022-10-15 22:06:28,911 INFO L226 Difference]: Without dead ends: 6464 [2022-10-15 22:06:28,913 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 [2022-10-15 22:06:28,914 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 852 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:28,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [852 Valid, 1834 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:06:28,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6464 states. [2022-10-15 22:06:29,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6464 to 3802. [2022-10-15 22:06:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3802 states, 3697 states have (on average 1.6307817149039763) internal successors, (6029), 3801 states have internal predecessors, (6029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3802 states and 6029 transitions. [2022-10-15 22:06:29,422 INFO L78 Accepts]: Start accepts. Automaton has 3802 states and 6029 transitions. Word has length 80 [2022-10-15 22:06:29,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:29,422 INFO L495 AbstractCegarLoop]: Abstraction has 3802 states and 6029 transitions. [2022-10-15 22:06:29,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3802 states and 6029 transitions. [2022-10-15 22:06:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 22:06:29,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:29,424 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] [2022-10-15 22:06:29,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:06:29,424 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:29,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:29,425 INFO L85 PathProgramCache]: Analyzing trace with hash -2113913377, now seen corresponding path program 1 times [2022-10-15 22:06:29,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:29,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494738820] [2022-10-15 22:06:29,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:29,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:29,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:29,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494738820] [2022-10-15 22:06:29,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494738820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:29,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:29,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:29,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412370661] [2022-10-15 22:06:29,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:29,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:29,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:29,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:29,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:29,538 INFO L87 Difference]: Start difference. First operand 3802 states and 6029 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:30,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:30,407 INFO L93 Difference]: Finished difference Result 7066 states and 11413 transitions. [2022-10-15 22:06:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:06:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-15 22:06:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:30,436 INFO L225 Difference]: With dead ends: 7066 [2022-10-15 22:06:30,436 INFO L226 Difference]: Without dead ends: 7057 [2022-10-15 22:06:30,438 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 [2022-10-15 22:06:30,439 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 1570 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:30,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1570 Valid, 1023 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:06:30,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7057 states. [2022-10-15 22:06:31,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7057 to 7037. [2022-10-15 22:06:31,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7037 states, 6939 states have (on average 1.6379881827352645) internal successors, (11366), 7036 states have internal predecessors, (11366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7037 states to 7037 states and 11366 transitions. [2022-10-15 22:06:31,315 INFO L78 Accepts]: Start accepts. Automaton has 7037 states and 11366 transitions. Word has length 81 [2022-10-15 22:06:31,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:31,316 INFO L495 AbstractCegarLoop]: Abstraction has 7037 states and 11366 transitions. [2022-10-15 22:06:31,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:31,316 INFO L276 IsEmpty]: Start isEmpty. Operand 7037 states and 11366 transitions. [2022-10-15 22:06:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-15 22:06:31,317 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:31,317 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] [2022-10-15 22:06:31,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:06:31,318 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:31,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:31,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1106804940, now seen corresponding path program 1 times [2022-10-15 22:06:31,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:31,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306063338] [2022-10-15 22:06:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:31,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:31,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:31,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306063338] [2022-10-15 22:06:31,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306063338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:31,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:31,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:06:31,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718634430] [2022-10-15 22:06:31,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:31,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:06:31,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:31,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:06:31,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:06:31,441 INFO L87 Difference]: Start difference. First operand 7037 states and 11366 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:33,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:33,706 INFO L93 Difference]: Finished difference Result 25017 states and 41001 transitions. [2022-10-15 22:06:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:06:33,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-15 22:06:33,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:33,776 INFO L225 Difference]: With dead ends: 25017 [2022-10-15 22:06:33,777 INFO L226 Difference]: Without dead ends: 18500 [2022-10-15 22:06:33,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:06:33,795 INFO L413 NwaCegarLoop]: 1083 mSDtfsCounter, 1513 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 2826 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:33,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 2826 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 694 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:06:33,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18500 states. [2022-10-15 22:06:35,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18500 to 13235. [2022-10-15 22:06:35,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13235 states, 13140 states have (on average 1.637290715372907) internal successors, (21514), 13234 states have internal predecessors, (21514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:35,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13235 states to 13235 states and 21514 transitions. [2022-10-15 22:06:35,278 INFO L78 Accepts]: Start accepts. Automaton has 13235 states and 21514 transitions. Word has length 82 [2022-10-15 22:06:35,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:35,278 INFO L495 AbstractCegarLoop]: Abstraction has 13235 states and 21514 transitions. [2022-10-15 22:06:35,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 13235 states and 21514 transitions. [2022-10-15 22:06:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-15 22:06:35,283 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:35,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:35,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:06:35,283 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:35,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:35,284 INFO L85 PathProgramCache]: Analyzing trace with hash 48785537, now seen corresponding path program 1 times [2022-10-15 22:06:35,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:35,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276466003] [2022-10-15 22:06:35,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:35,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:35,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:35,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:35,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276466003] [2022-10-15 22:06:35,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276466003] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:35,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:35,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:06:35,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934766203] [2022-10-15 22:06:35,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:35,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:06:35,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:06:35,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:06:35,457 INFO L87 Difference]: Start difference. First operand 13235 states and 21514 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:37,919 INFO L93 Difference]: Finished difference Result 19632 states and 32000 transitions. [2022-10-15 22:06:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:06:37,920 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-15 22:06:37,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:37,976 INFO L225 Difference]: With dead ends: 19632 [2022-10-15 22:06:37,976 INFO L226 Difference]: Without dead ends: 19623 [2022-10-15 22:06:37,982 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 [2022-10-15 22:06:37,983 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 2680 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2680 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:37,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2680 Valid, 1497 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:06:38,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19623 states. [2022-10-15 22:06:39,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19623 to 19564. [2022-10-15 22:06:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19564 states, 19474 states have (on average 1.6345897093560644) internal successors, (31832), 19563 states have internal predecessors, (31832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19564 states to 19564 states and 31832 transitions. [2022-10-15 22:06:39,966 INFO L78 Accepts]: Start accepts. Automaton has 19564 states and 31832 transitions. Word has length 83 [2022-10-15 22:06:39,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:39,967 INFO L495 AbstractCegarLoop]: Abstraction has 19564 states and 31832 transitions. [2022-10-15 22:06:39,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:39,967 INFO L276 IsEmpty]: Start isEmpty. Operand 19564 states and 31832 transitions. [2022-10-15 22:06:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-15 22:06:39,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:39,970 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] [2022-10-15 22:06:39,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:06:39,971 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:39,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:39,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1576953180, now seen corresponding path program 1 times [2022-10-15 22:06:39,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:39,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448737589] [2022-10-15 22:06:39,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:40,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:40,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:40,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448737589] [2022-10-15 22:06:40,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448737589] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:40,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:40,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:40,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780615324] [2022-10-15 22:06:40,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:40,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:40,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:40,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:40,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:40,276 INFO L87 Difference]: Start difference. First operand 19564 states and 31832 transitions. Second operand has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:45,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:45,178 INFO L93 Difference]: Finished difference Result 41895 states and 68614 transitions. [2022-10-15 22:06:45,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:06:45,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-10-15 22:06:45,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:45,270 INFO L225 Difference]: With dead ends: 41895 [2022-10-15 22:06:45,271 INFO L226 Difference]: Without dead ends: 41885 [2022-10-15 22:06:45,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:45,286 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 501 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:45,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1849 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:06:45,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41885 states. [2022-10-15 22:06:49,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41885 to 41844. [2022-10-15 22:06:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41844 states, 41758 states have (on average 1.6250778293979597) internal successors, (67860), 41843 states have internal predecessors, (67860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41844 states to 41844 states and 67860 transitions. [2022-10-15 22:06:49,843 INFO L78 Accepts]: Start accepts. Automaton has 41844 states and 67860 transitions. Word has length 205 [2022-10-15 22:06:49,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:49,844 INFO L495 AbstractCegarLoop]: Abstraction has 41844 states and 67860 transitions. [2022-10-15 22:06:49,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 4 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 41844 states and 67860 transitions. [2022-10-15 22:06:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-15 22:06:49,847 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:49,847 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] [2022-10-15 22:06:49,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:06:49,848 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:06:49,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:49,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1314253372, now seen corresponding path program 1 times [2022-10-15 22:06:49,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:49,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125681953] [2022-10-15 22:06:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:49,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:50,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:50,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125681953] [2022-10-15 22:06:50,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125681953] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:50,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:50,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:50,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099225720] [2022-10-15 22:06:50,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:50,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:06:50,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:06:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:06:50,061 INFO L87 Difference]: Start difference. First operand 41844 states and 67860 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:58,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:58,956 INFO L93 Difference]: Finished difference Result 120510 states and 195826 transitions. [2022-10-15 22:06:58,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:06:58,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-10-15 22:06:58,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:59,118 INFO L225 Difference]: With dead ends: 120510 [2022-10-15 22:06:59,118 INFO L226 Difference]: Without dead ends: 79043 [2022-10-15 22:06:59,172 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 [2022-10-15 22:06:59,173 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 416 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:59,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1519 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:59,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79043 states. [2022-10-15 22:07:07,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79043 to 78855. [2022-10-15 22:07:07,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78855 states, 78769 states have (on average 1.6259188259340605) internal successors, (128072), 78854 states have internal predecessors, (128072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:08,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78855 states to 78855 states and 128072 transitions. [2022-10-15 22:07:08,112 INFO L78 Accepts]: Start accepts. Automaton has 78855 states and 128072 transitions. Word has length 205 [2022-10-15 22:07:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:07:08,112 INFO L495 AbstractCegarLoop]: Abstraction has 78855 states and 128072 transitions. [2022-10-15 22:07:08,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:07:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 78855 states and 128072 transitions. [2022-10-15 22:07:08,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-15 22:07:08,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:07:08,116 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] [2022-10-15 22:07:08,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:07:08,116 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 199 more)] === [2022-10-15 22:07:08,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:07:08,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1268965764, now seen corresponding path program 1 times [2022-10-15 22:07:08,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:07:08,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004913877] [2022-10-15 22:07:08,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:07:08,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:07:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:07:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:07:08,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:07:08,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004913877] [2022-10-15 22:07:08,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004913877] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:07:08,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:07:08,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:07:08,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238682605] [2022-10-15 22:07:08,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:07:08,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:07:08,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:07:08,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:07:08,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:07:08,287 INFO L87 Difference]: Start difference. First operand 78855 states and 128072 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)