/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.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:08:22,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:08:22,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:08:22,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:08:22,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:08:22,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:08:22,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:08:22,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:08:22,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:08:22,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:08:22,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:08:22,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:08:22,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:08:22,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:08:22,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:08:22,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:08:22,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:08:22,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:08:22,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:08:22,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:08:22,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:08:22,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:08:22,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:08:22,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:08:22,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:08:22,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:08:22,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:08:22,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:08:22,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:08:22,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:08:22,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:08:22,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:08:22,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:08:22,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:08:22,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:08:22,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:08:22,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:08:22,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:08:22,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:08:22,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:08:22,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:08:22,465 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 22:08:22,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:08:22,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:08:22,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:08:22,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:08:22,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:08:22,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:08:22,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:08:22,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:08:22,500 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:08:22,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:08:22,501 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:08:22,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:08:22,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:08:22,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:08:22,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:08:22,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:08:22,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:08:22,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:08:22,503 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:08:22,504 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:08:22,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:08:22,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:08:22,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:08:22,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:08:22,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:08:22,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:08:22,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:08:22,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:08:22,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:08:22,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:08:22,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:08:22,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:08:22,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:08:22,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:08:22,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:08:22,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:08:22,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:08:22,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:08:22,912 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:08:22,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 22:08:22,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97eba2ed4/7623954becbd4b81adf8e190386e5295/FLAGd85397a60 [2022-10-15 22:08:23,846 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:08:23,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 22:08:23,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97eba2ed4/7623954becbd4b81adf8e190386e5295/FLAGd85397a60 [2022-10-15 22:08:23,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97eba2ed4/7623954becbd4b81adf8e190386e5295 [2022-10-15 22:08:23,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:08:23,917 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:08:23,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:08:23,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:08:23,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:08:23,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:08:23" (1/1) ... [2022-10-15 22:08:23,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c94b0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:23, skipping insertion in model container [2022-10-15 22:08:23,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:08:23" (1/1) ... [2022-10-15 22:08:23,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:08:24,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:08:25,107 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.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[49838,49851] [2022-10-15 22:08:25,231 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.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[55512,55525] [2022-10-15 22:08:25,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:08:25,578 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:08:26,062 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.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[49838,49851] [2022-10-15 22:08:26,156 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.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[55512,55525] [2022-10-15 22:08:26,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:08:26,485 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:08:26,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26 WrapperNode [2022-10-15 22:08:26,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:08:26,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:08:26,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:08:26,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:08:26,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,738 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5391 [2022-10-15 22:08:26,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:08:26,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:08:26,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:08:26,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:08:26,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,954 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:26,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:27,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:08:27,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:08:27,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:08:27,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:08:27,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (1/1) ... [2022-10-15 22:08:27,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:08:27,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:08:27,089 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 22:08:27,104 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 22:08:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:08:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:08:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:08:27,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:08:27,454 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:08:27,457 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:08:31,340 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:08:31,366 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:08:31,366 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:08:31,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:08:31 BoogieIcfgContainer [2022-10-15 22:08:31,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:08:31,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:08:31,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:08:31,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:08:31,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:08:23" (1/3) ... [2022-10-15 22:08:31,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fc0f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:08:31, skipping insertion in model container [2022-10-15 22:08:31,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:26" (2/3) ... [2022-10-15 22:08:31,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fc0f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:08:31, skipping insertion in model container [2022-10-15 22:08:31,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:08:31" (3/3) ... [2022-10-15 22:08:31,382 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2022-10-15 22:08:31,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:08:31,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 340 error locations. [2022-10-15 22:08:31,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:08:31,562 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;@7b9e8bc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:08:31,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 340 error locations. [2022-10-15 22:08:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 2042 states, 1701 states have (on average 1.8518518518518519) internal successors, (3150), 2041 states have internal predecessors, (3150), 0 states have call successors, (0), 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 22:08:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-10-15 22:08:31,623 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:31,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:31,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:31,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:31,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1664715038, now seen corresponding path program 1 times [2022-10-15 22:08:31,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:31,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985382439] [2022-10-15 22:08:31,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:31,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:32,728 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 22:08:32,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:32,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985382439] [2022-10-15 22:08:32,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985382439] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:32,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:32,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:32,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205091081] [2022-10-15 22:08:32,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:32,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:32,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:32,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:32,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:32,780 INFO L87 Difference]: Start difference. First operand has 2042 states, 1701 states have (on average 1.8518518518518519) internal successors, (3150), 2041 states have internal predecessors, (3150), 0 states have call successors, (0), 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 110.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 22:08:33,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:33,556 INFO L93 Difference]: Finished difference Result 2358 states and 3603 transitions. [2022-10-15 22:08:33,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:33,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 110.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 220 [2022-10-15 22:08:33,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:33,592 INFO L225 Difference]: With dead ends: 2358 [2022-10-15 22:08:33,593 INFO L226 Difference]: Without dead ends: 2332 [2022-10-15 22:08:33,599 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 22:08:33,603 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 2746 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 3292 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:33,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2746 Valid, 3292 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:08:33,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2022-10-15 22:08:33,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 2276. [2022-10-15 22:08:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 1948 states have (on average 1.7222792607802875) internal successors, (3355), 2275 states have internal predecessors, (3355), 0 states have call successors, (0), 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 22:08:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3355 transitions. [2022-10-15 22:08:33,884 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3355 transitions. Word has length 220 [2022-10-15 22:08:33,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:33,886 INFO L495 AbstractCegarLoop]: Abstraction has 2276 states and 3355 transitions. [2022-10-15 22:08:33,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 22:08:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3355 transitions. [2022-10-15 22:08:33,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-15 22:08:33,892 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:33,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:33,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:08:33,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:33,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:33,894 INFO L85 PathProgramCache]: Analyzing trace with hash 66559433, now seen corresponding path program 1 times [2022-10-15 22:08:33,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:33,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021161175] [2022-10-15 22:08:33,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:33,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:34,372 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 22:08:34,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:34,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021161175] [2022-10-15 22:08:34,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021161175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:34,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:34,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:34,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567048437] [2022-10-15 22:08:34,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:34,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:34,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:34,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:34,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:34,378 INFO L87 Difference]: Start difference. First operand 2276 states and 3355 transitions. Second operand has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 22:08:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:34,883 INFO L93 Difference]: Finished difference Result 2335 states and 3355 transitions. [2022-10-15 22:08:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:34,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 221 [2022-10-15 22:08:34,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:34,900 INFO L225 Difference]: With dead ends: 2335 [2022-10-15 22:08:34,901 INFO L226 Difference]: Without dead ends: 2320 [2022-10-15 22:08:34,905 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 22:08:34,907 INFO L413 NwaCegarLoop]: 2597 mSDtfsCounter, 2524 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 3080 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:34,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2524 Valid, 3080 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:34,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2022-10-15 22:08:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 2264. [2022-10-15 22:08:35,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 1948 states have (on average 1.7145790554414784) internal successors, (3340), 2263 states have internal predecessors, (3340), 0 states have call successors, (0), 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 22:08:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3340 transitions. [2022-10-15 22:08:35,108 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3340 transitions. Word has length 221 [2022-10-15 22:08:35,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:35,111 INFO L495 AbstractCegarLoop]: Abstraction has 2264 states and 3340 transitions. [2022-10-15 22:08:35,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 22:08:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3340 transitions. [2022-10-15 22:08:35,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-10-15 22:08:35,119 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:35,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:35,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:08:35,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:35,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:35,122 INFO L85 PathProgramCache]: Analyzing trace with hash 2063343232, now seen corresponding path program 1 times [2022-10-15 22:08:35,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:35,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571678833] [2022-10-15 22:08:35,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:35,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:35,644 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 22:08:35,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:35,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571678833] [2022-10-15 22:08:35,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571678833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:35,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:35,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:35,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719265582] [2022-10-15 22:08:35,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:35,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:35,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:35,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:35,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:35,650 INFO L87 Difference]: Start difference. First operand 2264 states and 3340 transitions. Second operand has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:36,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:36,244 INFO L93 Difference]: Finished difference Result 2568 states and 3781 transitions. [2022-10-15 22:08:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:36,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2022-10-15 22:08:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:36,260 INFO L225 Difference]: With dead ends: 2568 [2022-10-15 22:08:36,260 INFO L226 Difference]: Without dead ends: 2553 [2022-10-15 22:08:36,263 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 22:08:36,265 INFO L413 NwaCegarLoop]: 2563 mSDtfsCounter, 2507 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 3034 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:36,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 3034 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:36,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2022-10-15 22:08:36,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2503. [2022-10-15 22:08:36,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2503 states, 2199 states have (on average 1.7125966348340154) internal successors, (3766), 2502 states have internal predecessors, (3766), 0 states have call successors, (0), 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 22:08:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2503 states and 3766 transitions. [2022-10-15 22:08:36,486 INFO L78 Accepts]: Start accepts. Automaton has 2503 states and 3766 transitions. Word has length 222 [2022-10-15 22:08:36,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:36,487 INFO L495 AbstractCegarLoop]: Abstraction has 2503 states and 3766 transitions. [2022-10-15 22:08:36,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:36,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 3766 transitions. [2022-10-15 22:08:36,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-15 22:08:36,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:36,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:36,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:08:36,492 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:36,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:36,493 INFO L85 PathProgramCache]: Analyzing trace with hash -460868437, now seen corresponding path program 1 times [2022-10-15 22:08:36,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:36,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26571948] [2022-10-15 22:08:36,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:36,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:36,918 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 22:08:36,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:36,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26571948] [2022-10-15 22:08:36,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26571948] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:36,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:36,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:36,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537413717] [2022-10-15 22:08:36,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:36,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:36,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:36,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:36,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:36,922 INFO L87 Difference]: Start difference. First operand 2503 states and 3766 transitions. Second operand has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:37,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:37,524 INFO L93 Difference]: Finished difference Result 2556 states and 3766 transitions. [2022-10-15 22:08:37,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:37,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 223 [2022-10-15 22:08:37,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:37,541 INFO L225 Difference]: With dead ends: 2556 [2022-10-15 22:08:37,541 INFO L226 Difference]: Without dead ends: 2541 [2022-10-15 22:08:37,544 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 22:08:37,545 INFO L413 NwaCegarLoop]: 2566 mSDtfsCounter, 2491 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2491 SdHoareTripleChecker+Valid, 3037 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:37,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2491 Valid, 3037 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:37,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2541 states. [2022-10-15 22:08:37,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2541 to 2491. [2022-10-15 22:08:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 2199 states have (on average 1.705775352432924) internal successors, (3751), 2490 states have internal predecessors, (3751), 0 states have call successors, (0), 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 22:08:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 3751 transitions. [2022-10-15 22:08:37,766 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 3751 transitions. Word has length 223 [2022-10-15 22:08:37,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:37,767 INFO L495 AbstractCegarLoop]: Abstraction has 2491 states and 3751 transitions. [2022-10-15 22:08:37,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:37,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 3751 transitions. [2022-10-15 22:08:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-10-15 22:08:37,772 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:37,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:37,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:08:37,773 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:37,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:37,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1402018846, now seen corresponding path program 1 times [2022-10-15 22:08:37,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:37,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289250765] [2022-10-15 22:08:37,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:37,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:38,209 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 22:08:38,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:38,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289250765] [2022-10-15 22:08:38,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289250765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:38,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:38,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:38,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937751187] [2022-10-15 22:08:38,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:38,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:38,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:38,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:38,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:38,213 INFO L87 Difference]: Start difference. First operand 2491 states and 3751 transitions. Second operand has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:38,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:38,900 INFO L93 Difference]: Finished difference Result 2789 states and 4186 transitions. [2022-10-15 22:08:38,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:38,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 224 [2022-10-15 22:08:38,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:38,917 INFO L225 Difference]: With dead ends: 2789 [2022-10-15 22:08:38,917 INFO L226 Difference]: Without dead ends: 2774 [2022-10-15 22:08:38,920 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 22:08:38,922 INFO L413 NwaCegarLoop]: 2532 mSDtfsCounter, 2474 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 2991 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:38,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 2991 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:38,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2022-10-15 22:08:39,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 2730. [2022-10-15 22:08:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2730 states, 2450 states have (on average 1.7024489795918367) internal successors, (4171), 2729 states have internal predecessors, (4171), 0 states have call successors, (0), 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 22:08:39,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 4171 transitions. [2022-10-15 22:08:39,208 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 4171 transitions. Word has length 224 [2022-10-15 22:08:39,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:39,209 INFO L495 AbstractCegarLoop]: Abstraction has 2730 states and 4171 transitions. [2022-10-15 22:08:39,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 4171 transitions. [2022-10-15 22:08:39,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-15 22:08:39,214 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:39,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:39,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:08:39,219 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:39,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:39,223 INFO L85 PathProgramCache]: Analyzing trace with hash -512910451, now seen corresponding path program 1 times [2022-10-15 22:08:39,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:39,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90501673] [2022-10-15 22:08:39,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:39,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:39,729 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 22:08:39,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:39,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90501673] [2022-10-15 22:08:39,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90501673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:39,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:39,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:39,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058001425] [2022-10-15 22:08:39,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:39,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:39,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:39,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:39,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:39,733 INFO L87 Difference]: Start difference. First operand 2730 states and 4171 transitions. Second operand has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 22:08:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:40,411 INFO L93 Difference]: Finished difference Result 2777 states and 4171 transitions. [2022-10-15 22:08:40,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:40,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-10-15 22:08:40,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:40,427 INFO L225 Difference]: With dead ends: 2777 [2022-10-15 22:08:40,427 INFO L226 Difference]: Without dead ends: 2762 [2022-10-15 22:08:40,429 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 22:08:40,431 INFO L413 NwaCegarLoop]: 2535 mSDtfsCounter, 2458 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2458 SdHoareTripleChecker+Valid, 2994 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:40,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2458 Valid, 2994 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:40,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2022-10-15 22:08:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2718. [2022-10-15 22:08:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2450 states have (on average 1.6963265306122448) internal successors, (4156), 2717 states have internal predecessors, (4156), 0 states have call successors, (0), 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 22:08:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 4156 transitions. [2022-10-15 22:08:40,771 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 4156 transitions. Word has length 225 [2022-10-15 22:08:40,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:40,772 INFO L495 AbstractCegarLoop]: Abstraction has 2718 states and 4156 transitions. [2022-10-15 22:08:40,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 22:08:40,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 4156 transitions. [2022-10-15 22:08:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-15 22:08:40,780 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:40,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:40,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:08:40,782 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1279646020, now seen corresponding path program 1 times [2022-10-15 22:08:40,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:40,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597792955] [2022-10-15 22:08:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:40,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:41,349 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 22:08:41,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:41,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597792955] [2022-10-15 22:08:41,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597792955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:41,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:41,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:41,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639735893] [2022-10-15 22:08:41,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:41,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:41,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:41,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:41,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:41,353 INFO L87 Difference]: Start difference. First operand 2718 states and 4156 transitions. Second operand has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 22:08:42,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:42,144 INFO L93 Difference]: Finished difference Result 3521 states and 5492 transitions. [2022-10-15 22:08:42,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:42,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 226 [2022-10-15 22:08:42,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:42,165 INFO L225 Difference]: With dead ends: 3521 [2022-10-15 22:08:42,165 INFO L226 Difference]: Without dead ends: 3505 [2022-10-15 22:08:42,167 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 22:08:42,168 INFO L413 NwaCegarLoop]: 2447 mSDtfsCounter, 2499 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2499 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:42,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2499 Valid, 2849 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:42,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3505 states. [2022-10-15 22:08:42,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3505 to 3487. [2022-10-15 22:08:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3487 states, 3234 states have (on average 1.6904761904761905) internal successors, (5467), 3486 states have internal predecessors, (5467), 0 states have call successors, (0), 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 22:08:42,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 3487 states and 5467 transitions. [2022-10-15 22:08:42,518 INFO L78 Accepts]: Start accepts. Automaton has 3487 states and 5467 transitions. Word has length 226 [2022-10-15 22:08:42,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:42,519 INFO L495 AbstractCegarLoop]: Abstraction has 3487 states and 5467 transitions. [2022-10-15 22:08:42,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 22:08:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 5467 transitions. [2022-10-15 22:08:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-10-15 22:08:42,524 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:42,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:42,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:08:42,525 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:42,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:42,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1014321775, now seen corresponding path program 1 times [2022-10-15 22:08:42,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:42,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818190100] [2022-10-15 22:08:42,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:42,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:42,993 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 22:08:42,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:42,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818190100] [2022-10-15 22:08:42,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818190100] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:42,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:42,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:42,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830867772] [2022-10-15 22:08:42,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:42,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:42,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:42,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:42,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:42,996 INFO L87 Difference]: Start difference. First operand 3487 states and 5467 transitions. Second operand has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 22:08:43,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:43,907 INFO L93 Difference]: Finished difference Result 4846 states and 7709 transitions. [2022-10-15 22:08:43,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:43,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 227 [2022-10-15 22:08:43,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:43,936 INFO L225 Difference]: With dead ends: 4846 [2022-10-15 22:08:43,937 INFO L226 Difference]: Without dead ends: 4831 [2022-10-15 22:08:43,939 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 22:08:43,940 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 2443 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:43,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 2948 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:43,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4831 states. [2022-10-15 22:08:44,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4831 to 4775. [2022-10-15 22:08:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4775 states, 4534 states have (on average 1.6940891045434494) internal successors, (7681), 4774 states have internal predecessors, (7681), 0 states have call successors, (0), 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 22:08:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4775 states to 4775 states and 7681 transitions. [2022-10-15 22:08:44,480 INFO L78 Accepts]: Start accepts. Automaton has 4775 states and 7681 transitions. Word has length 227 [2022-10-15 22:08:44,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:44,481 INFO L495 AbstractCegarLoop]: Abstraction has 4775 states and 7681 transitions. [2022-10-15 22:08:44,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 22:08:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 4775 states and 7681 transitions. [2022-10-15 22:08:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-15 22:08:44,487 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:44,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:08:44,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:08:44,488 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:44,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash -194324111, now seen corresponding path program 1 times [2022-10-15 22:08:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:44,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690750884] [2022-10-15 22:08:44,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:44,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:44,839 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 22:08:44,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:44,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690750884] [2022-10-15 22:08:44,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690750884] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:44,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:44,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:44,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026036892] [2022-10-15 22:08:44,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:44,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:44,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:44,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:44,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:44,843 INFO L87 Difference]: Start difference. First operand 4775 states and 7681 transitions. Second operand has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 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 22:08:45,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:45,861 INFO L93 Difference]: Finished difference Result 7432 states and 12161 transitions. [2022-10-15 22:08:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:45,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 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 229 [2022-10-15 22:08:45,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:45,896 INFO L225 Difference]: With dead ends: 7432 [2022-10-15 22:08:45,896 INFO L226 Difference]: Without dead ends: 7426 [2022-10-15 22:08:45,899 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 22:08:45,900 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 2374 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2374 SdHoareTripleChecker+Valid, 2982 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:45,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2374 Valid, 2982 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:08:45,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7426 states. [2022-10-15 22:08:46,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7426 to 7394. [2022-10-15 22:08:46,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7394 states, 7158 states have (on average 1.6937692092763341) internal successors, (12124), 7393 states have internal predecessors, (12124), 0 states have call successors, (0), 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 22:08:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7394 states to 7394 states and 12124 transitions. [2022-10-15 22:08:46,707 INFO L78 Accepts]: Start accepts. Automaton has 7394 states and 12124 transitions. Word has length 229 [2022-10-15 22:08:46,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:46,708 INFO L495 AbstractCegarLoop]: Abstraction has 7394 states and 12124 transitions. [2022-10-15 22:08:46,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 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 22:08:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 7394 states and 12124 transitions. [2022-10-15 22:08:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-10-15 22:08:46,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:46,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:46,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:08:46,714 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:46,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:46,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1729079319, now seen corresponding path program 1 times [2022-10-15 22:08:46,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:46,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820944908] [2022-10-15 22:08:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:46,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:47,020 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 22:08:47,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:47,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820944908] [2022-10-15 22:08:47,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820944908] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:47,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:47,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:47,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128673861] [2022-10-15 22:08:47,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:47,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:47,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:47,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:47,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:47,023 INFO L87 Difference]: Start difference. First operand 7394 states and 12124 transitions. Second operand has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 22:08:48,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:48,619 INFO L93 Difference]: Finished difference Result 12969 states and 21544 transitions. [2022-10-15 22:08:48,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:48,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 230 [2022-10-15 22:08:48,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:48,677 INFO L225 Difference]: With dead ends: 12969 [2022-10-15 22:08:48,677 INFO L226 Difference]: Without dead ends: 12963 [2022-10-15 22:08:48,685 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 22:08:48,686 INFO L413 NwaCegarLoop]: 2973 mSDtfsCounter, 2282 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2282 SdHoareTripleChecker+Valid, 3542 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:48,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2282 Valid, 3542 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:48,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12963 states. [2022-10-15 22:08:49,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12963 to 12893. [2022-10-15 22:08:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12893 states, 12662 states have (on average 1.6979150213236456) internal successors, (21499), 12892 states have internal predecessors, (21499), 0 states have call successors, (0), 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 22:08:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12893 states to 12893 states and 21499 transitions. [2022-10-15 22:08:49,924 INFO L78 Accepts]: Start accepts. Automaton has 12893 states and 21499 transitions. Word has length 230 [2022-10-15 22:08:49,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:49,925 INFO L495 AbstractCegarLoop]: Abstraction has 12893 states and 21499 transitions. [2022-10-15 22:08:49,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 22:08:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 12893 states and 21499 transitions. [2022-10-15 22:08:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-15 22:08:49,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:49,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:49,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:08:49,930 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:49,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:49,931 INFO L85 PathProgramCache]: Analyzing trace with hash 507144523, now seen corresponding path program 1 times [2022-10-15 22:08:49,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:49,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141793845] [2022-10-15 22:08:49,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:49,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:50,216 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 22:08:50,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:50,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141793845] [2022-10-15 22:08:50,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141793845] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:50,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:50,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:50,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692329259] [2022-10-15 22:08:50,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:50,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:50,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:50,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:50,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:50,219 INFO L87 Difference]: Start difference. First operand 12893 states and 21499 transitions. Second operand has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 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 22:08:52,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:52,238 INFO L93 Difference]: Finished difference Result 23240 states and 39019 transitions. [2022-10-15 22:08:52,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:52,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 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 232 [2022-10-15 22:08:52,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:52,304 INFO L225 Difference]: With dead ends: 23240 [2022-10-15 22:08:52,305 INFO L226 Difference]: Without dead ends: 23232 [2022-10-15 22:08:52,315 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 22:08:52,316 INFO L413 NwaCegarLoop]: 2451 mSDtfsCounter, 2573 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:52,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2573 Valid, 2774 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:08:52,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23232 states. [2022-10-15 22:08:54,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23232 to 23161. [2022-10-15 22:08:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23161 states, 22937 states have (on average 1.695862580110738) internal successors, (38898), 23160 states have internal predecessors, (38898), 0 states have call successors, (0), 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 22:08:54,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23161 states to 23161 states and 38898 transitions. [2022-10-15 22:08:54,290 INFO L78 Accepts]: Start accepts. Automaton has 23161 states and 38898 transitions. Word has length 232 [2022-10-15 22:08:54,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:54,291 INFO L495 AbstractCegarLoop]: Abstraction has 23161 states and 38898 transitions. [2022-10-15 22:08:54,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 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 22:08:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 23161 states and 38898 transitions. [2022-10-15 22:08:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-10-15 22:08:54,295 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:54,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:54,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:08:54,296 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:08:54,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:54,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1458388138, now seen corresponding path program 1 times [2022-10-15 22:08:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:54,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121502526] [2022-10-15 22:08:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:54,634 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 22:08:54,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:54,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121502526] [2022-10-15 22:08:54,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121502526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:54,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:54,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:54,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862764364] [2022-10-15 22:08:54,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:54,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:54,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:54,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:54,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:54,637 INFO L87 Difference]: Start difference. First operand 23161 states and 38898 transitions. Second operand has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 22:08:58,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:58,700 INFO L93 Difference]: Finished difference Result 44303 states and 74740 transitions. [2022-10-15 22:08:58,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:58,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2022-10-15 22:08:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:58,820 INFO L225 Difference]: With dead ends: 44303 [2022-10-15 22:08:58,821 INFO L226 Difference]: Without dead ends: 44295 [2022-10-15 22:08:58,838 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 22:08:58,839 INFO L413 NwaCegarLoop]: 2466 mSDtfsCounter, 2564 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 2815 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:58,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 2815 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:58,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44295 states. [2022-10-15 22:09:02,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44295 to 44188. [2022-10-15 22:09:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44188 states, 43971 states have (on average 1.6966409679106684) internal successors, (74603), 44187 states have internal predecessors, (74603), 0 states have call successors, (0), 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 22:09:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44188 states to 44188 states and 74603 transitions. [2022-10-15 22:09:02,893 INFO L78 Accepts]: Start accepts. Automaton has 44188 states and 74603 transitions. Word has length 233 [2022-10-15 22:09:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:02,895 INFO L495 AbstractCegarLoop]: Abstraction has 44188 states and 74603 transitions. [2022-10-15 22:09:02,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.5) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 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 22:09:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 44188 states and 74603 transitions. [2022-10-15 22:09:02,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-10-15 22:09:02,899 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:02,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:02,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:09:02,900 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 337 more)] === [2022-10-15 22:09:02,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:02,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1351635368, now seen corresponding path program 1 times [2022-10-15 22:09:02,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:02,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555139926] [2022-10-15 22:09:02,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:02,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:03,448 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 22:09:03,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:03,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555139926] [2022-10-15 22:09:03,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555139926] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:03,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:03,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:03,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111178787] [2022-10-15 22:09:03,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:03,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:03,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:03,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:03,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:03,452 INFO L87 Difference]: Start difference. First operand 44188 states and 74603 transitions. Second operand has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 22:09:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:10,326 INFO L93 Difference]: Finished difference Result 84366 states and 142645 transitions. [2022-10-15 22:09:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:10,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 235 [2022-10-15 22:09:10,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:10,533 INFO L225 Difference]: With dead ends: 84366 [2022-10-15 22:09:10,533 INFO L226 Difference]: Without dead ends: 84358 [2022-10-15 22:09:10,564 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 22:09:10,568 INFO L413 NwaCegarLoop]: 2505 mSDtfsCounter, 2556 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 2838 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:10,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 2838 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84358 states.