/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:45:50,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:45:50,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:45:50,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:45:50,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:45:50,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:45:50,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:45:50,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:45:50,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:45:50,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:45:50,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:45:50,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:45:50,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:45:50,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:45:50,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:45:50,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:45:50,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:45:50,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:45:50,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:45:50,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:45:50,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:45:50,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:45:50,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:45:50,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:45:50,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:45:50,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:45:50,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:45:50,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:45:50,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:45:50,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:45:50,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:45:50,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:45:50,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:45:50,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:45:50,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:45:50,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:45:50,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:45:50,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:45:50,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:45:50,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:45:50,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:45:50,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:45:50,282 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:45:50,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:45:50,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:45:50,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:45:50,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:45:50,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:45:50,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:45:50,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:45:50,287 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:45:50,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:45:50,287 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:45:50,288 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:45:50,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:45:50,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:45:50,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:45:50,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:45:50,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:45:50,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:45:50,289 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:45:50,290 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:45:50,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:45:50,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:45:50,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:45:50,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:45:50,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:45:50,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:45:50,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:45:50,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:45:50,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:45:50,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:45:50,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:45:50,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:45:50,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:45:50,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:45:50,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:45:50,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:45:50,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:45:50,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:45:50,698 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:45:50,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:45:50,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420343ba4/43ffc446cc0c43a69dafddd5348f23f7/FLAG0b25db1ef [2022-10-16 16:45:51,534 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:45:51,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:45:51,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420343ba4/43ffc446cc0c43a69dafddd5348f23f7/FLAG0b25db1ef [2022-10-16 16:45:51,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420343ba4/43ffc446cc0c43a69dafddd5348f23f7 [2022-10-16 16:45:51,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:45:51,737 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:45:51,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:45:51,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:45:51,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:45:51,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:45:51" (1/1) ... [2022-10-16 16:45:51,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c84f092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:51, skipping insertion in model container [2022-10-16 16:45:51,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:45:51" (1/1) ... [2022-10-16 16:45:51,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:45:51,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:45:52,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26539,26552] [2022-10-16 16:45:52,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30716,30729] [2022-10-16 16:45:52,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:45:52,949 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:45:53,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26539,26552] [2022-10-16 16:45:53,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30716,30729] [2022-10-16 16:45:53,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:45:53,316 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:45:53,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53 WrapperNode [2022-10-16 16:45:53,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:45:53,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:45:53,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:45:53,319 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:45:53,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,451 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2766 [2022-10-16 16:45:53,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:45:53,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:45:53,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:45:53,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:45:53,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:45:53,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:45:53,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:45:53,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:45:53,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (1/1) ... [2022-10-16 16:45:53,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:45:53,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:45:53,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:45:53,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:45:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:45:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:45:53,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:45:53,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:45:54,047 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:45:54,049 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:45:56,429 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:45:56,455 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:45:56,455 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:45:56,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:45:56 BoogieIcfgContainer [2022-10-16 16:45:56,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:45:56,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:45:56,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:45:56,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:45:56,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:45:51" (1/3) ... [2022-10-16 16:45:56,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72954ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:45:56, skipping insertion in model container [2022-10-16 16:45:56,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:45:53" (2/3) ... [2022-10-16 16:45:56,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72954ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:45:56, skipping insertion in model container [2022-10-16 16:45:56,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:45:56" (3/3) ... [2022-10-16 16:45:56,473 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2022-10-16 16:45:56,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:45:56,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 200 error locations. [2022-10-16 16:45:56,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:45:56,722 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;@68724b1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:45:56,723 INFO L358 AbstractCegarLoop]: Starting to check reachability of 200 error locations. [2022-10-16 16:45:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 1067 states, 866 states have (on average 1.8418013856812934) internal successors, (1595), 1066 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:45:56,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:56,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:56,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:45:56,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:56,776 INFO L85 PathProgramCache]: Analyzing trace with hash 148666032, now seen corresponding path program 1 times [2022-10-16 16:45:56,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:56,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70401970] [2022-10-16 16:45:56,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:56,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:45:57,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:57,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70401970] [2022-10-16 16:45:57,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70401970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:57,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:57,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:57,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802420041] [2022-10-16 16:45:57,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:57,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:57,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:57,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:57,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:57,785 INFO L87 Difference]: Start difference. First operand has 1067 states, 866 states have (on average 1.8418013856812934) internal successors, (1595), 1066 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:58,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:58,342 INFO L93 Difference]: Finished difference Result 1311 states and 1943 transitions. [2022-10-16 16:45:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:58,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-10-16 16:45:58,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:58,374 INFO L225 Difference]: With dead ends: 1311 [2022-10-16 16:45:58,374 INFO L226 Difference]: Without dead ends: 1289 [2022-10-16 16:45:58,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:58,384 INFO L413 NwaCegarLoop]: 1378 mSDtfsCounter, 1339 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:58,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1339 Valid, 1745 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:58,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2022-10-16 16:45:58,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1247. [2022-10-16 16:45:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1055 states have (on average 1.6834123222748816) internal successors, (1776), 1246 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1776 transitions. [2022-10-16 16:45:58,530 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1776 transitions. Word has length 123 [2022-10-16 16:45:58,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:58,531 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1776 transitions. [2022-10-16 16:45:58,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1776 transitions. [2022-10-16 16:45:58,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:45:58,538 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:58,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:58,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:45:58,539 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:45:58,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:58,540 INFO L85 PathProgramCache]: Analyzing trace with hash 313680212, now seen corresponding path program 1 times [2022-10-16 16:45:58,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:58,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453488021] [2022-10-16 16:45:58,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:58,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:58,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:45:58,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:58,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453488021] [2022-10-16 16:45:58,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453488021] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:58,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:58,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:58,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139239913] [2022-10-16 16:45:58,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:58,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:58,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:58,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:58,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:58,962 INFO L87 Difference]: Start difference. First operand 1247 states and 1776 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:59,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:45:59,339 INFO L93 Difference]: Finished difference Result 1292 states and 1776 transitions. [2022-10-16 16:45:59,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:45:59,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-10-16 16:45:59,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:45:59,349 INFO L225 Difference]: With dead ends: 1292 [2022-10-16 16:45:59,349 INFO L226 Difference]: Without dead ends: 1281 [2022-10-16 16:45:59,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:59,353 INFO L413 NwaCegarLoop]: 1251 mSDtfsCounter, 1195 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:45:59,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 1605 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:45:59,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1281 states. [2022-10-16 16:45:59,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1281 to 1239. [2022-10-16 16:45:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1055 states have (on average 1.6729857819905214) internal successors, (1765), 1238 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1765 transitions. [2022-10-16 16:45:59,436 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1765 transitions. Word has length 124 [2022-10-16 16:45:59,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:45:59,437 INFO L495 AbstractCegarLoop]: Abstraction has 1239 states and 1765 transitions. [2022-10-16 16:45:59,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:45:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1765 transitions. [2022-10-16 16:45:59,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:45:59,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:45:59,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:45:59,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:45:59,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:45:59,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:45:59,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1134152498, now seen corresponding path program 1 times [2022-10-16 16:45:59,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:45:59,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128441443] [2022-10-16 16:45:59,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:45:59,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:45:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:45:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:45:59,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:45:59,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128441443] [2022-10-16 16:45:59,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128441443] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:45:59,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:45:59,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:45:59,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703868992] [2022-10-16 16:45:59,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:45:59,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:45:59,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:45:59,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:45:59,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:45:59,697 INFO L87 Difference]: Start difference. First operand 1239 states and 1765 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:00,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:00,072 INFO L93 Difference]: Finished difference Result 1471 states and 2101 transitions. [2022-10-16 16:46:00,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:46:00,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 125 [2022-10-16 16:46:00,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:00,083 INFO L225 Difference]: With dead ends: 1471 [2022-10-16 16:46:00,084 INFO L226 Difference]: Without dead ends: 1460 [2022-10-16 16:46:00,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:00,095 INFO L413 NwaCegarLoop]: 1227 mSDtfsCounter, 1182 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:00,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 1569 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:46:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2022-10-16 16:46:00,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1424. [2022-10-16 16:46:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1248 states have (on average 1.6746794871794872) internal successors, (2090), 1423 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2090 transitions. [2022-10-16 16:46:00,194 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2090 transitions. Word has length 125 [2022-10-16 16:46:00,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:00,195 INFO L495 AbstractCegarLoop]: Abstraction has 1424 states and 2090 transitions. [2022-10-16 16:46:00,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2090 transitions. [2022-10-16 16:46:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:46:00,198 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:00,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:00,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:46:00,198 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:00,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:00,199 INFO L85 PathProgramCache]: Analyzing trace with hash 798989590, now seen corresponding path program 1 times [2022-10-16 16:46:00,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:00,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357927457] [2022-10-16 16:46:00,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:00,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:00,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:00,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357927457] [2022-10-16 16:46:00,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357927457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:00,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:00,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:46:00,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454717743] [2022-10-16 16:46:00,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:00,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:46:00,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:00,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:46:00,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:00,427 INFO L87 Difference]: Start difference. First operand 1424 states and 2090 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:00,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:00,763 INFO L93 Difference]: Finished difference Result 1463 states and 2090 transitions. [2022-10-16 16:46:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:46:00,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-10-16 16:46:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:00,777 INFO L225 Difference]: With dead ends: 1463 [2022-10-16 16:46:00,777 INFO L226 Difference]: Without dead ends: 1452 [2022-10-16 16:46:00,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:46:00,780 INFO L413 NwaCegarLoop]: 1230 mSDtfsCounter, 1170 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:00,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 1572 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:46:00,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2022-10-16 16:46:00,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1416. [2022-10-16 16:46:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 1248 states have (on average 1.6658653846153846) internal successors, (2079), 1415 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:00,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 2079 transitions. [2022-10-16 16:46:00,879 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 2079 transitions. Word has length 126 [2022-10-16 16:46:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:00,880 INFO L495 AbstractCegarLoop]: Abstraction has 1416 states and 2079 transitions. [2022-10-16 16:46:00,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2079 transitions. [2022-10-16 16:46:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:46:00,883 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:00,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:00,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:46:00,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:00,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:00,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1001125964, now seen corresponding path program 1 times [2022-10-16 16:46:00,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:00,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562296510] [2022-10-16 16:46:00,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:00,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:01,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:01,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562296510] [2022-10-16 16:46:01,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562296510] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:01,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:01,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:46:01,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720935392] [2022-10-16 16:46:01,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:01,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:46:01,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:01,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:46:01,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:46:01,148 INFO L87 Difference]: Start difference. First operand 1416 states and 2079 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:02,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:02,398 INFO L93 Difference]: Finished difference Result 3284 states and 4779 transitions. [2022-10-16 16:46:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:46:02,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 16:46:02,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:02,414 INFO L225 Difference]: With dead ends: 3284 [2022-10-16 16:46:02,415 INFO L226 Difference]: Without dead ends: 2649 [2022-10-16 16:46:02,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:46:02,425 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 5504 mSDsluCounter, 5153 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5504 SdHoareTripleChecker+Valid, 6365 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:02,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5504 Valid, 6365 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:46:02,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2022-10-16 16:46:02,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1987. [2022-10-16 16:46:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1827 states have (on average 1.6770662287903668) internal successors, (3064), 1986 states have internal predecessors, (3064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 3064 transitions. [2022-10-16 16:46:02,636 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 3064 transitions. Word has length 127 [2022-10-16 16:46:02,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:02,636 INFO L495 AbstractCegarLoop]: Abstraction has 1987 states and 3064 transitions. [2022-10-16 16:46:02,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 3064 transitions. [2022-10-16 16:46:02,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 16:46:02,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:02,643 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] [2022-10-16 16:46:02,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:46:02,645 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:02,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:02,653 INFO L85 PathProgramCache]: Analyzing trace with hash -970133288, now seen corresponding path program 1 times [2022-10-16 16:46:02,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:02,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120073749] [2022-10-16 16:46:02,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:02,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:02,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120073749] [2022-10-16 16:46:02,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120073749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:02,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:02,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:46:02,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705507549] [2022-10-16 16:46:02,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:02,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:46:02,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:02,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:46:02,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:46:02,955 INFO L87 Difference]: Start difference. First operand 1987 states and 3064 transitions. Second operand has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:04,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:04,396 INFO L93 Difference]: Finished difference Result 3732 states and 5784 transitions. [2022-10-16 16:46:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:46:04,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-10-16 16:46:04,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:04,418 INFO L225 Difference]: With dead ends: 3732 [2022-10-16 16:46:04,419 INFO L226 Difference]: Without dead ends: 3715 [2022-10-16 16:46:04,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:46:04,422 INFO L413 NwaCegarLoop]: 1166 mSDtfsCounter, 5747 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5747 SdHoareTripleChecker+Valid, 4547 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:04,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5747 Valid, 4547 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:46:04,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2022-10-16 16:46:04,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3523. [2022-10-16 16:46:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3523 states, 3371 states have (on average 1.6938593889053692) internal successors, (5710), 3522 states have internal predecessors, (5710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 5710 transitions. [2022-10-16 16:46:04,760 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 5710 transitions. Word has length 128 [2022-10-16 16:46:04,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:04,761 INFO L495 AbstractCegarLoop]: Abstraction has 3523 states and 5710 transitions. [2022-10-16 16:46:04,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 5710 transitions. [2022-10-16 16:46:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 16:46:04,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:04,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:04,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:46:04,765 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:04,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:04,765 INFO L85 PathProgramCache]: Analyzing trace with hash -290169670, now seen corresponding path program 1 times [2022-10-16 16:46:04,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:04,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942193982] [2022-10-16 16:46:04,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:04,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:04,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:04,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942193982] [2022-10-16 16:46:04,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942193982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:04,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:04,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:04,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884783882] [2022-10-16 16:46:04,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:04,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:04,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:04,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:04,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:04,984 INFO L87 Difference]: Start difference. First operand 3523 states and 5710 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:05,621 INFO L93 Difference]: Finished difference Result 4726 states and 7713 transitions. [2022-10-16 16:46:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:46:05,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-16 16:46:05,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:05,654 INFO L225 Difference]: With dead ends: 4726 [2022-10-16 16:46:05,654 INFO L226 Difference]: Without dead ends: 4723 [2022-10-16 16:46:05,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:05,659 INFO L413 NwaCegarLoop]: 1254 mSDtfsCounter, 1483 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 2623 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:05,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 2623 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:46:05,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2022-10-16 16:46:05,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 3520. [2022-10-16 16:46:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3520 states, 3371 states have (on average 1.6929694452684663) internal successors, (5707), 3519 states have internal predecessors, (5707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3520 states and 5707 transitions. [2022-10-16 16:46:06,012 INFO L78 Accepts]: Start accepts. Automaton has 3520 states and 5707 transitions. Word has length 130 [2022-10-16 16:46:06,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:06,013 INFO L495 AbstractCegarLoop]: Abstraction has 3520 states and 5707 transitions. [2022-10-16 16:46:06,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 5707 transitions. [2022-10-16 16:46:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 16:46:06,016 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:06,016 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] [2022-10-16 16:46:06,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:46:06,017 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:06,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:06,018 INFO L85 PathProgramCache]: Analyzing trace with hash -405324647, now seen corresponding path program 1 times [2022-10-16 16:46:06,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:06,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010776517] [2022-10-16 16:46:06,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:06,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:06,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010776517] [2022-10-16 16:46:06,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010776517] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:06,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:06,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:06,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339899072] [2022-10-16 16:46:06,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:06,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:06,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:06,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:06,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:06,209 INFO L87 Difference]: Start difference. First operand 3520 states and 5707 transitions. Second operand has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:07,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:07,047 INFO L93 Difference]: Finished difference Result 5304 states and 8725 transitions. [2022-10-16 16:46:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:46:07,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-10-16 16:46:07,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:07,083 INFO L225 Difference]: With dead ends: 5304 [2022-10-16 16:46:07,083 INFO L226 Difference]: Without dead ends: 5299 [2022-10-16 16:46:07,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:07,087 INFO L413 NwaCegarLoop]: 1164 mSDtfsCounter, 2345 mSDsluCounter, 928 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2345 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:07,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2345 Valid, 2092 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:46:07,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2022-10-16 16:46:07,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 5244. [2022-10-16 16:46:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5244 states, 5099 states have (on average 1.7040596195332418) internal successors, (8689), 5243 states have internal predecessors, (8689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5244 states to 5244 states and 8689 transitions. [2022-10-16 16:46:07,610 INFO L78 Accepts]: Start accepts. Automaton has 5244 states and 8689 transitions. Word has length 131 [2022-10-16 16:46:07,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:07,611 INFO L495 AbstractCegarLoop]: Abstraction has 5244 states and 8689 transitions. [2022-10-16 16:46:07,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.666666666666664) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 5244 states and 8689 transitions. [2022-10-16 16:46:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 16:46:07,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:07,620 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:07,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:46:07,621 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:07,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:07,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1325055259, now seen corresponding path program 1 times [2022-10-16 16:46:07,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:07,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550466038] [2022-10-16 16:46:07,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:07,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:07,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:07,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550466038] [2022-10-16 16:46:07,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550466038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:07,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:07,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:07,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154997331] [2022-10-16 16:46:07,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:07,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:07,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:07,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:07,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:07,844 INFO L87 Difference]: Start difference. First operand 5244 states and 8689 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:08,868 INFO L93 Difference]: Finished difference Result 13091 states and 22004 transitions. [2022-10-16 16:46:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:46:08,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-10-16 16:46:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:08,922 INFO L225 Difference]: With dead ends: 13091 [2022-10-16 16:46:08,923 INFO L226 Difference]: Without dead ends: 8608 [2022-10-16 16:46:08,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:08,937 INFO L413 NwaCegarLoop]: 1157 mSDtfsCounter, 2455 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2455 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:08,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2455 Valid, 2427 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:46:08,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8608 states. [2022-10-16 16:46:09,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8608 to 7348. [2022-10-16 16:46:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7348 states, 7208 states have (on average 1.7054661487236404) internal successors, (12293), 7347 states have internal predecessors, (12293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7348 states to 7348 states and 12293 transitions. [2022-10-16 16:46:09,670 INFO L78 Accepts]: Start accepts. Automaton has 7348 states and 12293 transitions. Word has length 133 [2022-10-16 16:46:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:09,671 INFO L495 AbstractCegarLoop]: Abstraction has 7348 states and 12293 transitions. [2022-10-16 16:46:09,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 7348 states and 12293 transitions. [2022-10-16 16:46:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 16:46:09,673 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:09,674 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] [2022-10-16 16:46:09,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:46:09,674 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:09,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:09,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1872959393, now seen corresponding path program 1 times [2022-10-16 16:46:09,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:09,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766608416] [2022-10-16 16:46:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:09,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:09,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766608416] [2022-10-16 16:46:09,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766608416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:09,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:09,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:09,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679948391] [2022-10-16 16:46:09,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:09,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:09,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:09,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:09,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:09,865 INFO L87 Difference]: Start difference. First operand 7348 states and 12293 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:11,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:11,152 INFO L93 Difference]: Finished difference Result 10860 states and 18302 transitions. [2022-10-16 16:46:11,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:46:11,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 16:46:11,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:11,183 INFO L225 Difference]: With dead ends: 10860 [2022-10-16 16:46:11,184 INFO L226 Difference]: Without dead ends: 10854 [2022-10-16 16:46:11,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:11,190 INFO L413 NwaCegarLoop]: 1157 mSDtfsCounter, 2446 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 2014 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:11,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 2014 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:46:11,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10854 states. [2022-10-16 16:46:12,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10854 to 10790. [2022-10-16 16:46:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10790 states, 10655 states have (on average 1.710652275926795) internal successors, (18227), 10789 states have internal predecessors, (18227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10790 states to 10790 states and 18227 transitions. [2022-10-16 16:46:12,191 INFO L78 Accepts]: Start accepts. Automaton has 10790 states and 18227 transitions. Word has length 134 [2022-10-16 16:46:12,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:12,192 INFO L495 AbstractCegarLoop]: Abstraction has 10790 states and 18227 transitions. [2022-10-16 16:46:12,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 10790 states and 18227 transitions. [2022-10-16 16:46:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:46:12,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:12,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:12,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:46:12,195 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:12,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:12,196 INFO L85 PathProgramCache]: Analyzing trace with hash -322662335, now seen corresponding path program 1 times [2022-10-16 16:46:12,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:12,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384846164] [2022-10-16 16:46:12,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:12,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:12,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:12,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384846164] [2022-10-16 16:46:12,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384846164] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:12,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:12,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:12,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390183911] [2022-10-16 16:46:12,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:12,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:12,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:12,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:12,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:12,383 INFO L87 Difference]: Start difference. First operand 10790 states and 18227 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:14,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:14,197 INFO L93 Difference]: Finished difference Result 33202 states and 56704 transitions. [2022-10-16 16:46:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:46:14,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-10-16 16:46:14,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:14,276 INFO L225 Difference]: With dead ends: 33202 [2022-10-16 16:46:14,276 INFO L226 Difference]: Without dead ends: 23163 [2022-10-16 16:46:14,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:14,298 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 2431 mSDsluCounter, 1468 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 2677 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:14,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 2677 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:46:14,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23163 states. [2022-10-16 16:46:15,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23163 to 17278. [2022-10-16 16:46:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17278 states, 17148 states have (on average 1.712794494984838) internal successors, (29371), 17277 states have internal predecessors, (29371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17278 states to 17278 states and 29371 transitions. [2022-10-16 16:46:15,598 INFO L78 Accepts]: Start accepts. Automaton has 17278 states and 29371 transitions. Word has length 136 [2022-10-16 16:46:15,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:15,598 INFO L495 AbstractCegarLoop]: Abstraction has 17278 states and 29371 transitions. [2022-10-16 16:46:15,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 17278 states and 29371 transitions. [2022-10-16 16:46:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 16:46:15,601 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:15,601 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] [2022-10-16 16:46:15,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:46:15,601 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:15,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:15,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1412597248, now seen corresponding path program 1 times [2022-10-16 16:46:15,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:15,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830099944] [2022-10-16 16:46:15,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:15,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:15,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:15,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830099944] [2022-10-16 16:46:15,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830099944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:15,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:15,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:15,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416448108] [2022-10-16 16:46:15,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:15,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:15,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:15,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:15,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:15,763 INFO L87 Difference]: Start difference. First operand 17278 states and 29371 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:17,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:17,721 INFO L93 Difference]: Finished difference Result 26541 states and 45278 transitions. [2022-10-16 16:46:17,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:46:17,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 16:46:17,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:17,804 INFO L225 Difference]: With dead ends: 26541 [2022-10-16 16:46:17,804 INFO L226 Difference]: Without dead ends: 26535 [2022-10-16 16:46:17,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:17,816 INFO L413 NwaCegarLoop]: 1207 mSDtfsCounter, 2418 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:17,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 2086 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:46:17,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26535 states. [2022-10-16 16:46:20,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26535 to 26441. [2022-10-16 16:46:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26441 states, 26316 states have (on average 1.7134442924456605) internal successors, (45091), 26440 states have internal predecessors, (45091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26441 states to 26441 states and 45091 transitions. [2022-10-16 16:46:20,336 INFO L78 Accepts]: Start accepts. Automaton has 26441 states and 45091 transitions. Word has length 137 [2022-10-16 16:46:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:20,336 INFO L495 AbstractCegarLoop]: Abstraction has 26441 states and 45091 transitions. [2022-10-16 16:46:20,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 26441 states and 45091 transitions. [2022-10-16 16:46:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:46:20,339 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:20,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:20,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:46:20,340 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:20,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:20,340 INFO L85 PathProgramCache]: Analyzing trace with hash -296272254, now seen corresponding path program 1 times [2022-10-16 16:46:20,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:20,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301491506] [2022-10-16 16:46:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:20,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:20,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:20,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301491506] [2022-10-16 16:46:20,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301491506] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:20,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:20,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:20,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840233889] [2022-10-16 16:46:20,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:20,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:20,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:20,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:20,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:20,509 INFO L87 Difference]: Start difference. First operand 26441 states and 45091 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:25,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:25,748 INFO L93 Difference]: Finished difference Result 101988 states and 174720 transitions. [2022-10-16 16:46:25,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:46:25,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-10-16 16:46:25,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:26,044 INFO L225 Difference]: With dead ends: 101988 [2022-10-16 16:46:26,044 INFO L226 Difference]: Without dead ends: 76288 [2022-10-16 16:46:26,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:26,098 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 2407 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 2711 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:26,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 2711 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:46:26,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76288 states. [2022-10-16 16:46:30,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76288 to 51185. [2022-10-16 16:46:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51185 states, 51065 states have (on average 1.7105453833349653) internal successors, (87349), 51184 states have internal predecessors, (87349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51185 states to 51185 states and 87349 transitions. [2022-10-16 16:46:30,562 INFO L78 Accepts]: Start accepts. Automaton has 51185 states and 87349 transitions. Word has length 139 [2022-10-16 16:46:30,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:30,562 INFO L495 AbstractCegarLoop]: Abstraction has 51185 states and 87349 transitions. [2022-10-16 16:46:30,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:30,563 INFO L276 IsEmpty]: Start isEmpty. Operand 51185 states and 87349 transitions. [2022-10-16 16:46:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 16:46:30,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:30,565 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] [2022-10-16 16:46:30,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:46:30,565 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:30,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:30,566 INFO L85 PathProgramCache]: Analyzing trace with hash -594504730, now seen corresponding path program 1 times [2022-10-16 16:46:30,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:30,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785965554] [2022-10-16 16:46:30,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:30,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:30,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:30,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785965554] [2022-10-16 16:46:30,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785965554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:30,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:30,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:30,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046537305] [2022-10-16 16:46:30,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:30,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:30,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:30,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:30,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:30,759 INFO L87 Difference]: Start difference. First operand 51185 states and 87349 transitions. Second operand has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:35,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:35,984 INFO L93 Difference]: Finished difference Result 76879 states and 131412 transitions. [2022-10-16 16:46:35,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:46:35,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 16:46:35,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:36,194 INFO L225 Difference]: With dead ends: 76879 [2022-10-16 16:46:36,194 INFO L226 Difference]: Without dead ends: 76873 [2022-10-16 16:46:36,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:36,219 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 2398 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 2158 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:36,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2398 Valid, 2158 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:46:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76873 states. [2022-10-16 16:46:42,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76873 to 76693. [2022-10-16 16:46:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76693 states, 76578 states have (on average 1.7090417613413775) internal successors, (130875), 76692 states have internal predecessors, (130875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76693 states to 76693 states and 130875 transitions. [2022-10-16 16:46:42,863 INFO L78 Accepts]: Start accepts. Automaton has 76693 states and 130875 transitions. Word has length 140 [2022-10-16 16:46:42,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:42,864 INFO L495 AbstractCegarLoop]: Abstraction has 76693 states and 130875 transitions. [2022-10-16 16:46:42,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 76693 states and 130875 transitions. [2022-10-16 16:46:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 16:46:42,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:42,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:42,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:46:42,867 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:42,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:42,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1431110102, now seen corresponding path program 1 times [2022-10-16 16:46:42,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:42,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930635016] [2022-10-16 16:46:42,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:42,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:43,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:43,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930635016] [2022-10-16 16:46:43,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930635016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:43,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:43,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:43,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211837042] [2022-10-16 16:46:43,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:43,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:43,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:43,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:43,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:43,300 INFO L87 Difference]: Start difference. First operand 76693 states and 130875 transitions. Second operand has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:48,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:46:48,592 INFO L93 Difference]: Finished difference Result 76693 states and 130875 transitions. [2022-10-16 16:46:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:46:48,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 152 [2022-10-16 16:46:48,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:46:48,790 INFO L225 Difference]: With dead ends: 76693 [2022-10-16 16:46:48,790 INFO L226 Difference]: Without dead ends: 76690 [2022-10-16 16:46:48,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:46:48,821 INFO L413 NwaCegarLoop]: 1295 mSDtfsCounter, 1160 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 2661 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:46:48,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 2661 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:46:48,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76690 states. [2022-10-16 16:46:55,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76690 to 76690. [2022-10-16 16:46:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76690 states, 76578 states have (on average 1.7090025855989972) internal successors, (130872), 76689 states have internal predecessors, (130872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76690 states to 76690 states and 130872 transitions. [2022-10-16 16:46:55,288 INFO L78 Accepts]: Start accepts. Automaton has 76690 states and 130872 transitions. Word has length 152 [2022-10-16 16:46:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:46:55,289 INFO L495 AbstractCegarLoop]: Abstraction has 76690 states and 130872 transitions. [2022-10-16 16:46:55,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:46:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 76690 states and 130872 transitions. [2022-10-16 16:46:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 16:46:55,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:46:55,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:46:55,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:46:55,292 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:46:55,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:46:55,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1414740789, now seen corresponding path program 1 times [2022-10-16 16:46:55,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:46:55,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39466816] [2022-10-16 16:46:55,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:46:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:46:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:46:55,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:46:55,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:46:55,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39466816] [2022-10-16 16:46:55,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39466816] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:46:55,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:46:55,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:46:55,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530958518] [2022-10-16 16:46:55,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:46:55,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:46:55,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:46:55,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:46:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:46:55,495 INFO L87 Difference]: Start difference. First operand 76690 states and 130872 transitions. Second operand has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:06,112 INFO L93 Difference]: Finished difference Result 137032 states and 234225 transitions. [2022-10-16 16:47:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:06,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2022-10-16 16:47:06,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:06,584 INFO L225 Difference]: With dead ends: 137032 [2022-10-16 16:47:06,584 INFO L226 Difference]: Without dead ends: 137027 [2022-10-16 16:47:06,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:06,619 INFO L413 NwaCegarLoop]: 1544 mSDtfsCounter, 1932 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1932 SdHoareTripleChecker+Valid, 2520 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:06,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1932 Valid, 2520 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:06,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137027 states. [2022-10-16 16:47:17,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137027 to 136983. [2022-10-16 16:47:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136983 states, 136874 states have (on average 1.7066060756608268) internal successors, (233590), 136982 states have internal predecessors, (233590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:18,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136983 states to 136983 states and 233590 transitions. [2022-10-16 16:47:18,389 INFO L78 Accepts]: Start accepts. Automaton has 136983 states and 233590 transitions. Word has length 153 [2022-10-16 16:47:18,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:18,389 INFO L495 AbstractCegarLoop]: Abstraction has 136983 states and 233590 transitions. [2022-10-16 16:47:18,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 51.0) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:18,390 INFO L276 IsEmpty]: Start isEmpty. Operand 136983 states and 233590 transitions. [2022-10-16 16:47:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 16:47:18,392 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:18,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:18,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:47:18,393 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:47:18,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:18,394 INFO L85 PathProgramCache]: Analyzing trace with hash 907292088, now seen corresponding path program 1 times [2022-10-16 16:47:18,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:18,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090516608] [2022-10-16 16:47:18,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:18,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:18,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:18,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090516608] [2022-10-16 16:47:18,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090516608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:18,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:18,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:47:18,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735048214] [2022-10-16 16:47:18,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:18,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:47:18,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:18,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:47:18,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:18,624 INFO L87 Difference]: Start difference. First operand 136983 states and 233590 transitions. Second operand has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:28,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:28,667 INFO L93 Difference]: Finished difference Result 136983 states and 233590 transitions. [2022-10-16 16:47:28,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:47:28,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154 [2022-10-16 16:47:28,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:29,139 INFO L225 Difference]: With dead ends: 136983 [2022-10-16 16:47:29,139 INFO L226 Difference]: Without dead ends: 136980 [2022-10-16 16:47:29,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:47:29,176 INFO L413 NwaCegarLoop]: 1283 mSDtfsCounter, 1752 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 3317 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:29,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1752 Valid, 3317 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:29,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136980 states. [2022-10-16 16:47:39,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136980 to 136980. [2022-10-16 16:47:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136980 states, 136874 states have (on average 1.7065841576924763) internal successors, (233587), 136979 states have internal predecessors, (233587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136980 states to 136980 states and 233587 transitions. [2022-10-16 16:47:40,632 INFO L78 Accepts]: Start accepts. Automaton has 136980 states and 233587 transitions. Word has length 154 [2022-10-16 16:47:40,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:40,633 INFO L495 AbstractCegarLoop]: Abstraction has 136980 states and 233587 transitions. [2022-10-16 16:47:40,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 136980 states and 233587 transitions. [2022-10-16 16:47:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 16:47:40,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:40,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:40,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:47:40,635 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 197 more)] === [2022-10-16 16:47:40,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:40,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1938715753, now seen corresponding path program 1 times [2022-10-16 16:47:40,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:40,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672503961] [2022-10-16 16:47:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:41,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:41,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672503961] [2022-10-16 16:47:41,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672503961] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:41,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:41,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:47:41,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183526528] [2022-10-16 16:47:41,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:41,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:47:41,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:41,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:47:41,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:41,211 INFO L87 Difference]: Start difference. First operand 136980 states and 233587 transitions. Second operand has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:54,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:54,901 INFO L93 Difference]: Finished difference Result 182703 states and 311404 transitions. [2022-10-16 16:47:54,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:47:54,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2022-10-16 16:47:54,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:55,369 INFO L225 Difference]: With dead ends: 182703 [2022-10-16 16:47:55,369 INFO L226 Difference]: Without dead ends: 182698 [2022-10-16 16:47:55,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:47:55,430 INFO L413 NwaCegarLoop]: 1828 mSDtfsCounter, 2854 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2854 SdHoareTripleChecker+Valid, 3765 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:55,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2854 Valid, 3765 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:55,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182698 states.