/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_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:15:27,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:15:27,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:15:27,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:15:27,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:15:27,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:15:27,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:15:27,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:15:27,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:15:27,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:15:27,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:15:27,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:15:27,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:15:27,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:15:27,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:15:27,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:15:27,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:15:27,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:15:27,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:15:27,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:15:27,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:15:27,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:15:27,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:15:27,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:15:27,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:15:27,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:15:27,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:15:27,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:15:27,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:15:27,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:15:27,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:15:27,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:15:27,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:15:27,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:15:27,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:15:27,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:15:27,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:15:27,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:15:27,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:15:27,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:15:27,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:15:27,461 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 16:15:27,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:15:27,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:15:27,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:15:27,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:15:27,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:15:27,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:15:27,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:15:27,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:15:27,526 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:15:27,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:15:27,528 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:15:27,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:15:27,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:15:27,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:15:27,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:15:27,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:15:27,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:15:27,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:15:27,530 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:15:27,530 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:15:27,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:15:27,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:15:27,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:15:27,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:15:27,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:15:27,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:15:27,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:15:27,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:15:27,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:15:27,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:15:27,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:15:27,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:15:27,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:15:27,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:15:27,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:15:28,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:15:28,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:15:28,006 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:15:28,007 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:15:28,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-16 16:15:28,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91395e7a5/1eba8c2ebb3242a49b5927218a03e1c5/FLAGfc6f677b5 [2022-10-16 16:15:28,878 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:15:28,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-16 16:15:28,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91395e7a5/1eba8c2ebb3242a49b5927218a03e1c5/FLAGfc6f677b5 [2022-10-16 16:15:29,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91395e7a5/1eba8c2ebb3242a49b5927218a03e1c5 [2022-10-16 16:15:29,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:15:29,128 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:15:29,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:15:29,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:15:29,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:15:29,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:29,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500fc726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29, skipping insertion in model container [2022-10-16 16:15:29,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:29,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:15:29,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:15:29,613 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_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[10021,10034] [2022-10-16 16:15:29,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:15:29,724 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:15:29,813 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_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c[10021,10034] [2022-10-16 16:15:29,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:15:29,935 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:15:29,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29 WrapperNode [2022-10-16 16:15:29,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:15:29,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:15:29,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:15:29,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:15:29,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:29,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,052 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 981 [2022-10-16 16:15:30,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:15:30,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:15:30,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:15:30,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:15:30,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:15:30,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:15:30,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:15:30,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:15:30,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (1/1) ... [2022-10-16 16:15:30,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:15:30,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:15:30,203 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 16:15:30,227 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 16:15:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:15:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:15:30,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:15:30,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:15:30,427 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:15:30,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:15:31,759 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:15:31,783 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:15:31,783 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:15:31,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:15:31 BoogieIcfgContainer [2022-10-16 16:15:31,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:15:31,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:15:31,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:15:31,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:15:31,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:15:29" (1/3) ... [2022-10-16 16:15:31,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113ee54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:15:31, skipping insertion in model container [2022-10-16 16:15:31,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:15:29" (2/3) ... [2022-10-16 16:15:31,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113ee54e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:15:31, skipping insertion in model container [2022-10-16 16:15:31,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:15:31" (3/3) ... [2022-10-16 16:15:31,802 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2022-10-16 16:15:31,826 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:15:31,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-10-16 16:15:31,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:15:31,928 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;@468865f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:15:31,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-10-16 16:15:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 344 states, 295 states have (on average 1.769491525423729) internal successors, (522), 343 states have internal predecessors, (522), 0 states have call successors, (0), 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 16:15:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:15:31,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:31,944 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:15:31,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:31,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:31,951 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:15:31,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:31,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972545288] [2022-10-16 16:15:31,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:31,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:32,361 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 16:15:32,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:32,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972545288] [2022-10-16 16:15:32,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972545288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:32,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:32,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:15:32,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674943782] [2022-10-16 16:15:32,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:32,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:15:32,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:32,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:15:32,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:15:32,415 INFO L87 Difference]: Start difference. First operand has 344 states, 295 states have (on average 1.769491525423729) internal successors, (522), 343 states have internal predecessors, (522), 0 states have call successors, (0), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 16:15:32,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:32,471 INFO L93 Difference]: Finished difference Result 347 states and 524 transitions. [2022-10-16 16:15:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:15:32,474 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 16:15:32,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:32,491 INFO L225 Difference]: With dead ends: 347 [2022-10-16 16:15:32,491 INFO L226 Difference]: Without dead ends: 331 [2022-10-16 16:15:32,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:15:32,500 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:32,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:32,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-10-16 16:15:32,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2022-10-16 16:15:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 293 states have (on average 1.4982935153583619) internal successors, (439), 330 states have internal predecessors, (439), 0 states have call successors, (0), 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 16:15:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 439 transitions. [2022-10-16 16:15:32,578 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 439 transitions. Word has length 4 [2022-10-16 16:15:32,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:32,579 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 439 transitions. [2022-10-16 16:15:32,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 16:15:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 439 transitions. [2022-10-16 16:15:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:15:32,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:32,583 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] [2022-10-16 16:15:32,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:15:32,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:32,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1208362263, now seen corresponding path program 1 times [2022-10-16 16:15:32,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:32,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006138245] [2022-10-16 16:15:32,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:32,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:32,966 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 16:15:32,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:32,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006138245] [2022-10-16 16:15:32,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006138245] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:32,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:32,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:32,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563945437] [2022-10-16 16:15:32,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:32,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:32,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:32,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:32,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:32,972 INFO L87 Difference]: Start difference. First operand 331 states and 439 transitions. Second operand has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 16:15:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:33,293 INFO L93 Difference]: Finished difference Result 689 states and 959 transitions. [2022-10-16 16:15:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:15:33,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 16:15:33,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:33,299 INFO L225 Difference]: With dead ends: 689 [2022-10-16 16:15:33,300 INFO L226 Difference]: Without dead ends: 686 [2022-10-16 16:15:33,301 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 16:15:33,303 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 1023 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:33,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 1052 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:33,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-10-16 16:15:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 489. [2022-10-16 16:15:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 452 states have (on average 1.5508849557522124) internal successors, (701), 488 states have internal predecessors, (701), 0 states have call successors, (0), 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 16:15:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 701 transitions. [2022-10-16 16:15:33,348 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 701 transitions. Word has length 79 [2022-10-16 16:15:33,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:33,349 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 701 transitions. [2022-10-16 16:15:33,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.333333333333332) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 16:15:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 701 transitions. [2022-10-16 16:15:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:15:33,353 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:33,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:33,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:15:33,354 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:33,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1195475804, now seen corresponding path program 1 times [2022-10-16 16:15:33,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:33,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026876569] [2022-10-16 16:15:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:33,646 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 16:15:33,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:33,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026876569] [2022-10-16 16:15:33,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026876569] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:33,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:33,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:33,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537238866] [2022-10-16 16:15:33,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:33,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:33,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:33,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:33,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:33,654 INFO L87 Difference]: Start difference. First operand 489 states and 701 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:33,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:33,885 INFO L93 Difference]: Finished difference Result 664 states and 956 transitions. [2022-10-16 16:15:33,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:15:33,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-16 16:15:33,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:33,893 INFO L225 Difference]: With dead ends: 664 [2022-10-16 16:15:33,893 INFO L226 Difference]: Without dead ends: 661 [2022-10-16 16:15:33,895 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 16:15:33,903 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 1026 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1026 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:33,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1026 Valid, 621 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:33,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2022-10-16 16:15:33,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 641. [2022-10-16 16:15:33,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 605 states have (on average 1.571900826446281) internal successors, (951), 640 states have internal predecessors, (951), 0 states have call successors, (0), 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 16:15:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 951 transitions. [2022-10-16 16:15:33,966 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 951 transitions. Word has length 80 [2022-10-16 16:15:33,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:33,970 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 951 transitions. [2022-10-16 16:15:33,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 951 transitions. [2022-10-16 16:15:33,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:15:33,982 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:33,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:33,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:15:33,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:33,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:33,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1594955445, now seen corresponding path program 1 times [2022-10-16 16:15:33,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:33,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909991186] [2022-10-16 16:15:33,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:33,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:15:34,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:34,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909991186] [2022-10-16 16:15:34,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909991186] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:34,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:34,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:34,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602812679] [2022-10-16 16:15:34,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:34,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:34,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:34,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:34,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:34,230 INFO L87 Difference]: Start difference. First operand 641 states and 951 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:34,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:34,625 INFO L93 Difference]: Finished difference Result 1001 states and 1445 transitions. [2022-10-16 16:15:34,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:15:34,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 16:15:34,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:34,638 INFO L225 Difference]: With dead ends: 1001 [2022-10-16 16:15:34,638 INFO L226 Difference]: Without dead ends: 998 [2022-10-16 16:15:34,642 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 16:15:34,667 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 1647 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 1696 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:34,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 1696 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:34,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2022-10-16 16:15:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 787. [2022-10-16 16:15:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 752 states have (on average 1.5811170212765957) internal successors, (1189), 786 states have internal predecessors, (1189), 0 states have call successors, (0), 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 16:15:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1189 transitions. [2022-10-16 16:15:34,732 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1189 transitions. Word has length 81 [2022-10-16 16:15:34,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:34,733 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1189 transitions. [2022-10-16 16:15:34,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1189 transitions. [2022-10-16 16:15:34,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:15:34,738 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:34,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:34,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:15:34,739 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:34,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:34,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2095989054, now seen corresponding path program 1 times [2022-10-16 16:15:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:34,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794732876] [2022-10-16 16:15:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:34,959 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 16:15:34,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:34,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794732876] [2022-10-16 16:15:34,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794732876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:34,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:34,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:15:34,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580268550] [2022-10-16 16:15:34,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:34,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:15:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:34,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:15:34,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:15:34,966 INFO L87 Difference]: Start difference. First operand 787 states and 1189 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:35,279 INFO L93 Difference]: Finished difference Result 974 states and 1432 transitions. [2022-10-16 16:15:35,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:15:35,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:15:35,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:35,288 INFO L225 Difference]: With dead ends: 974 [2022-10-16 16:15:35,288 INFO L226 Difference]: Without dead ends: 971 [2022-10-16 16:15:35,290 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 16:15:35,292 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 1661 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:35,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1661 Valid, 1063 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:15:35,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2022-10-16 16:15:35,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 933. [2022-10-16 16:15:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 899 states have (on average 1.5850945494994437) internal successors, (1425), 932 states have internal predecessors, (1425), 0 states have call successors, (0), 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 16:15:35,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1425 transitions. [2022-10-16 16:15:35,370 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1425 transitions. Word has length 82 [2022-10-16 16:15:35,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:35,372 INFO L495 AbstractCegarLoop]: Abstraction has 933 states and 1425 transitions. [2022-10-16 16:15:35,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1425 transitions. [2022-10-16 16:15:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:15:35,377 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:35,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:35,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:15:35,379 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:35,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:35,381 INFO L85 PathProgramCache]: Analyzing trace with hash 551151533, now seen corresponding path program 1 times [2022-10-16 16:15:35,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:35,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964396914] [2022-10-16 16:15:35,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:35,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:35,579 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 16:15:35,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:35,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964396914] [2022-10-16 16:15:35,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964396914] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:35,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:35,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:15:35,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280060988] [2022-10-16 16:15:35,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:35,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:15:35,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:35,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:15:35,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:15:35,585 INFO L87 Difference]: Start difference. First operand 933 states and 1425 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:36,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:36,107 INFO L93 Difference]: Finished difference Result 1444 states and 2146 transitions. [2022-10-16 16:15:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:15:36,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 16:15:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:36,118 INFO L225 Difference]: With dead ends: 1444 [2022-10-16 16:15:36,118 INFO L226 Difference]: Without dead ends: 1441 [2022-10-16 16:15:36,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:15:36,124 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 2434 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:36,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 2365 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:36,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2022-10-16 16:15:36,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1073. [2022-10-16 16:15:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 1040 states have (on average 1.585576923076923) internal successors, (1649), 1072 states have internal predecessors, (1649), 0 states have call successors, (0), 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 16:15:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1649 transitions. [2022-10-16 16:15:36,242 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1649 transitions. Word has length 83 [2022-10-16 16:15:36,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:36,242 INFO L495 AbstractCegarLoop]: Abstraction has 1073 states and 1649 transitions. [2022-10-16 16:15:36,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:36,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1649 transitions. [2022-10-16 16:15:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:15:36,248 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:36,249 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] [2022-10-16 16:15:36,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:15:36,251 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:36,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:36,251 INFO L85 PathProgramCache]: Analyzing trace with hash -94171360, now seen corresponding path program 1 times [2022-10-16 16:15:36,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:36,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734822007] [2022-10-16 16:15:36,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:36,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:36,437 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 16:15:36,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:36,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734822007] [2022-10-16 16:15:36,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734822007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:36,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:36,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:15:36,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645110601] [2022-10-16 16:15:36,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:36,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:15:36,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:36,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:15:36,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:15:36,441 INFO L87 Difference]: Start difference. First operand 1073 states and 1649 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 16:15:36,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:36,922 INFO L93 Difference]: Finished difference Result 1411 states and 2109 transitions. [2022-10-16 16:15:36,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:15:36,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:15:36,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:36,931 INFO L225 Difference]: With dead ends: 1411 [2022-10-16 16:15:36,931 INFO L226 Difference]: Without dead ends: 1408 [2022-10-16 16:15:36,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:15:36,935 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 2267 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2267 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:36,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2267 Valid, 1700 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:15:36,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-16 16:15:37,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1354. [2022-10-16 16:15:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1322 states have (on average 1.588502269288956) internal successors, (2100), 1353 states have internal predecessors, (2100), 0 states have call successors, (0), 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 16:15:37,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 2100 transitions. [2022-10-16 16:15:37,075 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 2100 transitions. Word has length 84 [2022-10-16 16:15:37,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:37,076 INFO L495 AbstractCegarLoop]: Abstraction has 1354 states and 2100 transitions. [2022-10-16 16:15:37,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 16:15:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 2100 transitions. [2022-10-16 16:15:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:15:37,077 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:37,078 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] [2022-10-16 16:15:37,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:15:37,078 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:37,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:37,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1375655439, now seen corresponding path program 1 times [2022-10-16 16:15:37,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:37,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284793763] [2022-10-16 16:15:37,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:37,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:37,262 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 16:15:37,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:37,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284793763] [2022-10-16 16:15:37,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284793763] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:37,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:37,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:37,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077325114] [2022-10-16 16:15:37,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:37,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:37,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:37,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:37,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:37,266 INFO L87 Difference]: Start difference. First operand 1354 states and 2100 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:38,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:38,004 INFO L93 Difference]: Finished difference Result 2006 states and 3036 transitions. [2022-10-16 16:15:38,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:15:38,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:15:38,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:38,017 INFO L225 Difference]: With dead ends: 2006 [2022-10-16 16:15:38,018 INFO L226 Difference]: Without dead ends: 2003 [2022-10-16 16:15:38,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:15:38,021 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 3324 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3324 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:38,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3324 Valid, 3059 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:15:38,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2022-10-16 16:15:38,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 1488. [2022-10-16 16:15:38,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1457 states have (on average 1.5854495538778313) internal successors, (2310), 1487 states have internal predecessors, (2310), 0 states have call successors, (0), 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 16:15:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 2310 transitions. [2022-10-16 16:15:38,154 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 2310 transitions. Word has length 85 [2022-10-16 16:15:38,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:38,155 INFO L495 AbstractCegarLoop]: Abstraction has 1488 states and 2310 transitions. [2022-10-16 16:15:38,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2310 transitions. [2022-10-16 16:15:38,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:15:38,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:38,156 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] [2022-10-16 16:15:38,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:15:38,157 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:38,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:38,157 INFO L85 PathProgramCache]: Analyzing trace with hash -304354046, now seen corresponding path program 1 times [2022-10-16 16:15:38,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:38,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438721374] [2022-10-16 16:15:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:38,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:38,343 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 16:15:38,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:38,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438721374] [2022-10-16 16:15:38,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438721374] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:38,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:38,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:15:38,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234067783] [2022-10-16 16:15:38,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:38,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:15:38,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:38,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:15:38,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:15:38,347 INFO L87 Difference]: Start difference. First operand 1488 states and 2310 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:39,050 INFO L93 Difference]: Finished difference Result 1963 states and 2961 transitions. [2022-10-16 16:15:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:15:39,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:15:39,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:39,062 INFO L225 Difference]: With dead ends: 1963 [2022-10-16 16:15:39,063 INFO L226 Difference]: Without dead ends: 1960 [2022-10-16 16:15:39,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:15:39,066 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 3035 mSDsluCounter, 1988 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:39,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 2362 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:15:39,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2022-10-16 16:15:39,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1892. [2022-10-16 16:15:39,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1862 states have (on average 1.5843179377013963) internal successors, (2950), 1891 states have internal predecessors, (2950), 0 states have call successors, (0), 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 16:15:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2950 transitions. [2022-10-16 16:15:39,251 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2950 transitions. Word has length 86 [2022-10-16 16:15:39,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:39,252 INFO L495 AbstractCegarLoop]: Abstraction has 1892 states and 2950 transitions. [2022-10-16 16:15:39,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2950 transitions. [2022-10-16 16:15:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:15:39,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:39,253 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] [2022-10-16 16:15:39,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:15:39,254 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:39,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:39,254 INFO L85 PathProgramCache]: Analyzing trace with hash -845040527, now seen corresponding path program 1 times [2022-10-16 16:15:39,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:39,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721821815] [2022-10-16 16:15:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:39,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:39,452 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 16:15:39,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:39,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721821815] [2022-10-16 16:15:39,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721821815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:39,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:39,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:15:39,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564727145] [2022-10-16 16:15:39,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:39,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:15:39,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:39,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:15:39,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:39,455 INFO L87 Difference]: Start difference. First operand 1892 states and 2950 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:40,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:40,428 INFO L93 Difference]: Finished difference Result 4310 states and 6690 transitions. [2022-10-16 16:15:40,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:15:40,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:15:40,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:40,446 INFO L225 Difference]: With dead ends: 4310 [2022-10-16 16:15:40,447 INFO L226 Difference]: Without dead ends: 2677 [2022-10-16 16:15:40,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2022-10-16 16:15:40,454 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 4490 mSDsluCounter, 3248 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 3642 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:40,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4490 Valid, 3642 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:15:40,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2677 states. [2022-10-16 16:15:40,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2677 to 2025. [2022-10-16 16:15:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1996 states have (on average 1.5796593186372745) internal successors, (3153), 2024 states have internal predecessors, (3153), 0 states have call successors, (0), 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 16:15:40,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3153 transitions. [2022-10-16 16:15:40,697 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3153 transitions. Word has length 87 [2022-10-16 16:15:40,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:40,697 INFO L495 AbstractCegarLoop]: Abstraction has 2025 states and 3153 transitions. [2022-10-16 16:15:40,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3153 transitions. [2022-10-16 16:15:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:15:40,699 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:40,699 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] [2022-10-16 16:15:40,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:15:40,700 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:40,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash -426452252, now seen corresponding path program 1 times [2022-10-16 16:15:40,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:40,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208218396] [2022-10-16 16:15:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:40,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:40,932 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 16:15:40,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:40,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208218396] [2022-10-16 16:15:40,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208218396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:40,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:40,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:15:40,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938419203] [2022-10-16 16:15:40,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:40,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:15:40,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:40,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:15:40,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:15:40,935 INFO L87 Difference]: Start difference. First operand 2025 states and 3153 transitions. Second operand has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:42,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:42,342 INFO L93 Difference]: Finished difference Result 3641 states and 5537 transitions. [2022-10-16 16:15:42,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 16:15:42,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:15:42,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:42,365 INFO L225 Difference]: With dead ends: 3641 [2022-10-16 16:15:42,365 INFO L226 Difference]: Without dead ends: 3638 [2022-10-16 16:15:42,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-10-16 16:15:42,369 INFO L413 NwaCegarLoop]: 374 mSDtfsCounter, 4841 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4841 SdHoareTripleChecker+Valid, 3312 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:42,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4841 Valid, 3312 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:15:42,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2022-10-16 16:15:42,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 3498. [2022-10-16 16:15:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3498 states, 3470 states have (on average 1.5878962536023056) internal successors, (5510), 3497 states have internal predecessors, (5510), 0 states have call successors, (0), 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 16:15:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 5510 transitions. [2022-10-16 16:15:42,732 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 5510 transitions. Word has length 88 [2022-10-16 16:15:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:42,732 INFO L495 AbstractCegarLoop]: Abstraction has 3498 states and 5510 transitions. [2022-10-16 16:15:42,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 5510 transitions. [2022-10-16 16:15:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:15:42,734 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:42,734 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] [2022-10-16 16:15:42,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:15:42,734 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:42,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1984470231, now seen corresponding path program 1 times [2022-10-16 16:15:42,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:42,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799113802] [2022-10-16 16:15:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:42,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:42,838 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 16:15:42,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:42,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799113802] [2022-10-16 16:15:42,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799113802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:42,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:42,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:15:42,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502448096] [2022-10-16 16:15:42,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:42,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:42,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:42,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:42,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:42,841 INFO L87 Difference]: Start difference. First operand 3498 states and 5510 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:43,142 INFO L93 Difference]: Finished difference Result 3498 states and 5510 transitions. [2022-10-16 16:15:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:43,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:15:43,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:43,165 INFO L225 Difference]: With dead ends: 3498 [2022-10-16 16:15:43,165 INFO L226 Difference]: Without dead ends: 3496 [2022-10-16 16:15:43,168 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 16:15:43,169 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 56 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:43,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 746 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3496 states. [2022-10-16 16:15:43,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3496 to 3496. [2022-10-16 16:15:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3496 states, 3470 states have (on average 1.5873198847262249) internal successors, (5508), 3495 states have internal predecessors, (5508), 0 states have call successors, (0), 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 16:15:43,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3496 states and 5508 transitions. [2022-10-16 16:15:43,562 INFO L78 Accepts]: Start accepts. Automaton has 3496 states and 5508 transitions. Word has length 92 [2022-10-16 16:15:43,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:43,562 INFO L495 AbstractCegarLoop]: Abstraction has 3496 states and 5508 transitions. [2022-10-16 16:15:43,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 5508 transitions. [2022-10-16 16:15:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:15:43,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:43,565 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] [2022-10-16 16:15:43,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:15:43,565 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:43,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:43,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1277682606, now seen corresponding path program 1 times [2022-10-16 16:15:43,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:43,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712871519] [2022-10-16 16:15:43,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:43,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:43,674 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 16:15:43,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:43,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712871519] [2022-10-16 16:15:43,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712871519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:43,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:43,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:15:43,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625389961] [2022-10-16 16:15:43,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:43,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:43,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:43,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:43,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:43,678 INFO L87 Difference]: Start difference. First operand 3496 states and 5508 transitions. Second operand has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 16:15:44,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:44,010 INFO L93 Difference]: Finished difference Result 3496 states and 5508 transitions. [2022-10-16 16:15:44,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:44,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-10-16 16:15:44,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:44,034 INFO L225 Difference]: With dead ends: 3496 [2022-10-16 16:15:44,034 INFO L226 Difference]: Without dead ends: 3494 [2022-10-16 16:15:44,036 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 16:15:44,037 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 328 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:44,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 415 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:44,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2022-10-16 16:15:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3494. [2022-10-16 16:15:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3494 states, 3470 states have (on average 1.5801152737752162) internal successors, (5483), 3493 states have internal predecessors, (5483), 0 states have call successors, (0), 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 16:15:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 3494 states and 5483 transitions. [2022-10-16 16:15:44,421 INFO L78 Accepts]: Start accepts. Automaton has 3494 states and 5483 transitions. Word has length 96 [2022-10-16 16:15:44,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:44,422 INFO L495 AbstractCegarLoop]: Abstraction has 3494 states and 5483 transitions. [2022-10-16 16:15:44,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 16:15:44,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 5483 transitions. [2022-10-16 16:15:44,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:15:44,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:44,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:44,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:15:44,424 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:44,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:44,424 INFO L85 PathProgramCache]: Analyzing trace with hash 953455456, now seen corresponding path program 1 times [2022-10-16 16:15:44,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:44,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153646865] [2022-10-16 16:15:44,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:44,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:44,536 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 16:15:44,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:44,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153646865] [2022-10-16 16:15:44,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153646865] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:44,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:44,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:15:44,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014332729] [2022-10-16 16:15:44,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:44,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:44,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:44,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:44,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:44,539 INFO L87 Difference]: Start difference. First operand 3494 states and 5483 transitions. Second operand has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 16:15:44,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:44,896 INFO L93 Difference]: Finished difference Result 3494 states and 5483 transitions. [2022-10-16 16:15:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:44,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-10-16 16:15:44,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:44,932 INFO L225 Difference]: With dead ends: 3494 [2022-10-16 16:15:44,932 INFO L226 Difference]: Without dead ends: 3492 [2022-10-16 16:15:44,933 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 16:15:44,934 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 325 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:44,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 415 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:44,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2022-10-16 16:15:45,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 3492. [2022-10-16 16:15:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3492 states, 3470 states have (on average 1.5729106628242076) internal successors, (5458), 3491 states have internal predecessors, (5458), 0 states have call successors, (0), 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 16:15:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3492 states to 3492 states and 5458 transitions. [2022-10-16 16:15:45,351 INFO L78 Accepts]: Start accepts. Automaton has 3492 states and 5458 transitions. Word has length 97 [2022-10-16 16:15:45,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:45,351 INFO L495 AbstractCegarLoop]: Abstraction has 3492 states and 5458 transitions. [2022-10-16 16:15:45,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 16:15:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3492 states and 5458 transitions. [2022-10-16 16:15:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:15:45,354 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:45,354 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] [2022-10-16 16:15:45,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:15:45,355 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:45,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:45,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1925353548, now seen corresponding path program 1 times [2022-10-16 16:15:45,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:45,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669967173] [2022-10-16 16:15:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:45,480 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 16:15:45,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:45,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669967173] [2022-10-16 16:15:45,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669967173] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:45,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:45,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:45,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376587830] [2022-10-16 16:15:45,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:45,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:45,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:45,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:45,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:45,483 INFO L87 Difference]: Start difference. First operand 3492 states and 5458 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 16:15:46,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:46,436 INFO L93 Difference]: Finished difference Result 10113 states and 15871 transitions. [2022-10-16 16:15:46,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:46,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 16:15:46,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:46,458 INFO L225 Difference]: With dead ends: 10113 [2022-10-16 16:15:46,459 INFO L226 Difference]: Without dead ends: 6753 [2022-10-16 16:15:46,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:46,467 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 303 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:46,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 834 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:46,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6753 states. [2022-10-16 16:15:47,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6753 to 6731. [2022-10-16 16:15:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6731 states, 6709 states have (on average 1.5680429274109404) internal successors, (10520), 6730 states have internal predecessors, (10520), 0 states have call successors, (0), 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 16:15:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6731 states to 6731 states and 10520 transitions. [2022-10-16 16:15:47,430 INFO L78 Accepts]: Start accepts. Automaton has 6731 states and 10520 transitions. Word has length 120 [2022-10-16 16:15:47,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:47,433 INFO L495 AbstractCegarLoop]: Abstraction has 6731 states and 10520 transitions. [2022-10-16 16:15:47,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 16:15:47,434 INFO L276 IsEmpty]: Start isEmpty. Operand 6731 states and 10520 transitions. [2022-10-16 16:15:47,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:15:47,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:47,437 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] [2022-10-16 16:15:47,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:15:47,437 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:47,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:47,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1040047403, now seen corresponding path program 1 times [2022-10-16 16:15:47,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:47,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549948084] [2022-10-16 16:15:47,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:47,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:47,541 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 16:15:47,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:47,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549948084] [2022-10-16 16:15:47,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549948084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:47,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:47,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:47,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109674454] [2022-10-16 16:15:47,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:47,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:47,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:47,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:47,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:47,543 INFO L87 Difference]: Start difference. First operand 6731 states and 10520 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 16:15:49,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:49,427 INFO L93 Difference]: Finished difference Result 19281 states and 30195 transitions. [2022-10-16 16:15:49,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:49,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 16:15:49,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:49,467 INFO L225 Difference]: With dead ends: 19281 [2022-10-16 16:15:49,467 INFO L226 Difference]: Without dead ends: 12768 [2022-10-16 16:15:49,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:49,481 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 295 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:49,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 822 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:49,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12768 states. [2022-10-16 16:15:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12768 to 12746. [2022-10-16 16:15:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12746 states, 12724 states have (on average 1.5598082364036467) internal successors, (19847), 12745 states have internal predecessors, (19847), 0 states have call successors, (0), 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 16:15:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12746 states to 12746 states and 19847 transitions. [2022-10-16 16:15:50,852 INFO L78 Accepts]: Start accepts. Automaton has 12746 states and 19847 transitions. Word has length 120 [2022-10-16 16:15:50,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:50,853 INFO L495 AbstractCegarLoop]: Abstraction has 12746 states and 19847 transitions. [2022-10-16 16:15:50,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 16:15:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 12746 states and 19847 transitions. [2022-10-16 16:15:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:15:50,857 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:50,858 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] [2022-10-16 16:15:50,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:15:50,858 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:50,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:50,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1135819650, now seen corresponding path program 1 times [2022-10-16 16:15:50,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:50,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078382763] [2022-10-16 16:15:50,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:50,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:51,023 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 16:15:51,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:51,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078382763] [2022-10-16 16:15:51,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078382763] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:51,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:51,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:51,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711458900] [2022-10-16 16:15:51,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:51,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:15:51,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:51,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:15:51,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:51,026 INFO L87 Difference]: Start difference. First operand 12746 states and 19847 transitions. Second operand has 4 states, 3 states have (on average 40.333333333333336) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 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 16:15:52,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:52,793 INFO L93 Difference]: Finished difference Result 16838 states and 26311 transitions. [2022-10-16 16:15:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:15:52,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 40.333333333333336) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-10-16 16:15:52,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:52,838 INFO L225 Difference]: With dead ends: 16838 [2022-10-16 16:15:52,838 INFO L226 Difference]: Without dead ends: 16836 [2022-10-16 16:15:52,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:15:52,845 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 545 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:52,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 1159 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:15:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16836 states. [2022-10-16 16:15:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16836 to 13748. [2022-10-16 16:15:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13748 states, 13726 states have (on average 1.5629462334256157) internal successors, (21453), 13747 states have internal predecessors, (21453), 0 states have call successors, (0), 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 16:15:54,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13748 states to 13748 states and 21453 transitions. [2022-10-16 16:15:54,186 INFO L78 Accepts]: Start accepts. Automaton has 13748 states and 21453 transitions. Word has length 121 [2022-10-16 16:15:54,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:15:54,187 INFO L495 AbstractCegarLoop]: Abstraction has 13748 states and 21453 transitions. [2022-10-16 16:15:54,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 40.333333333333336) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 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 16:15:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 13748 states and 21453 transitions. [2022-10-16 16:15:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:15:54,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:15:54,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:15:54,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:15:54,192 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:15:54,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:15:54,193 INFO L85 PathProgramCache]: Analyzing trace with hash 281567502, now seen corresponding path program 1 times [2022-10-16 16:15:54,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:15:54,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705660748] [2022-10-16 16:15:54,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:15:54,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:15:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:15:54,289 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 16:15:54,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:15:54,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705660748] [2022-10-16 16:15:54,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705660748] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:15:54,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:15:54,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:15:54,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43313485] [2022-10-16 16:15:54,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:15:54,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:15:54,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:15:54,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:15:54,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:54,292 INFO L87 Difference]: Start difference. First operand 13748 states and 21453 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:15:56,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:15:56,909 INFO L93 Difference]: Finished difference Result 39459 states and 61625 transitions. [2022-10-16 16:15:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:15:56,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 16:15:56,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:15:56,991 INFO L225 Difference]: With dead ends: 39459 [2022-10-16 16:15:56,992 INFO L226 Difference]: Without dead ends: 26109 [2022-10-16 16:15:57,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:15:57,014 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 282 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:15:57,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 818 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:15:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26109 states. [2022-10-16 16:16:00,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26109 to 26087. [2022-10-16 16:16:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26087 states, 26065 states have (on average 1.5526568194897372) internal successors, (40470), 26086 states have internal predecessors, (40470), 0 states have call successors, (0), 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 16:16:00,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26087 states to 26087 states and 40470 transitions. [2022-10-16 16:16:00,090 INFO L78 Accepts]: Start accepts. Automaton has 26087 states and 40470 transitions. Word has length 122 [2022-10-16 16:16:00,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:00,090 INFO L495 AbstractCegarLoop]: Abstraction has 26087 states and 40470 transitions. [2022-10-16 16:16:00,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:00,091 INFO L276 IsEmpty]: Start isEmpty. Operand 26087 states and 40470 transitions. [2022-10-16 16:16:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:16:00,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:00,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:16:00,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:16:00,098 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:16:00,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:00,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1797861574, now seen corresponding path program 1 times [2022-10-16 16:16:00,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:00,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560098722] [2022-10-16 16:16:00,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:00,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:00,298 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 16:16:00,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:00,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560098722] [2022-10-16 16:16:00,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560098722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:00,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:00,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:16:00,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920252471] [2022-10-16 16:16:00,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:00,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:16:00,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:00,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:16:00,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:16:00,300 INFO L87 Difference]: Start difference. First operand 26087 states and 40470 transitions. Second operand has 4 states, 3 states have (on average 40.666666666666664) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:03,209 INFO L93 Difference]: Finished difference Result 33847 states and 52632 transitions. [2022-10-16 16:16:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:16:03,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 40.666666666666664) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2022-10-16 16:16:03,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:03,479 INFO L225 Difference]: With dead ends: 33847 [2022-10-16 16:16:03,479 INFO L226 Difference]: Without dead ends: 33845 [2022-10-16 16:16:03,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:16:03,493 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 557 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:03,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1164 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:16:03,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33845 states. [2022-10-16 16:16:06,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33845 to 30980. [2022-10-16 16:16:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30980 states, 30958 states have (on average 1.5576910653142968) internal successors, (48223), 30979 states have internal predecessors, (48223), 0 states have call successors, (0), 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 16:16:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30980 states to 30980 states and 48223 transitions. [2022-10-16 16:16:06,809 INFO L78 Accepts]: Start accepts. Automaton has 30980 states and 48223 transitions. Word has length 122 [2022-10-16 16:16:06,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:06,809 INFO L495 AbstractCegarLoop]: Abstraction has 30980 states and 48223 transitions. [2022-10-16 16:16:06,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 40.666666666666664) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:16:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 30980 states and 48223 transitions. [2022-10-16 16:16:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:16:06,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:06,814 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 16:16:06,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:16:06,815 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:16:06,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:06,815 INFO L85 PathProgramCache]: Analyzing trace with hash 601004004, now seen corresponding path program 1 times [2022-10-16 16:16:06,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:06,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271946800] [2022-10-16 16:16:06,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:06,996 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 16:16:06,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:06,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271946800] [2022-10-16 16:16:06,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271946800] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:06,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:06,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:16:06,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126881729] [2022-10-16 16:16:06,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:06,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:16:06,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:06,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:16:06,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:16:06,999 INFO L87 Difference]: Start difference. First operand 30980 states and 48223 transitions. Second operand has 5 states, 4 states have (on average 30.75) internal successors, (123), 5 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 16:16:10,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:10,101 INFO L93 Difference]: Finished difference Result 32948 states and 51279 transitions. [2022-10-16 16:16:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:16:10,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.75) internal successors, (123), 5 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 16:16:10,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:10,181 INFO L225 Difference]: With dead ends: 32948 [2022-10-16 16:16:10,181 INFO L226 Difference]: Without dead ends: 32946 [2022-10-16 16:16:10,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:16:10,196 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1160 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 1416 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:10,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 1416 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:16:10,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32946 states. [2022-10-16 16:16:13,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32946 to 32900. [2022-10-16 16:16:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32900 states, 32878 states have (on average 1.5587018675101891) internal successors, (51247), 32899 states have internal predecessors, (51247), 0 states have call successors, (0), 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 16:16:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32900 states to 32900 states and 51247 transitions. [2022-10-16 16:16:13,861 INFO L78 Accepts]: Start accepts. Automaton has 32900 states and 51247 transitions. Word has length 123 [2022-10-16 16:16:13,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:13,861 INFO L495 AbstractCegarLoop]: Abstraction has 32900 states and 51247 transitions. [2022-10-16 16:16:13,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.75) internal successors, (123), 5 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 16:16:13,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32900 states and 51247 transitions. [2022-10-16 16:16:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:16:13,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:13,866 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] [2022-10-16 16:16:13,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:16:13,866 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:16:13,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:13,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2054109942, now seen corresponding path program 1 times [2022-10-16 16:16:13,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:13,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325185789] [2022-10-16 16:16:13,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:13,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:16:14,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:14,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325185789] [2022-10-16 16:16:14,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325185789] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:14,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:14,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:16:14,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801099007] [2022-10-16 16:16:14,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:14,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:16:14,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:14,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:16:14,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:16:14,036 INFO L87 Difference]: Start difference. First operand 32900 states and 51247 transitions. Second operand has 5 states, 4 states have (on average 30.75) internal successors, (123), 5 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 16:16:17,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:17,293 INFO L93 Difference]: Finished difference Result 35775 states and 55624 transitions. [2022-10-16 16:16:17,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:16:17,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.75) internal successors, (123), 5 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 16:16:17,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:17,363 INFO L225 Difference]: With dead ends: 35775 [2022-10-16 16:16:17,363 INFO L226 Difference]: Without dead ends: 35773 [2022-10-16 16:16:17,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:16:17,381 INFO L413 NwaCegarLoop]: 573 mSDtfsCounter, 1162 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:17,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1388 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:16:17,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35773 states. [2022-10-16 16:16:21,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35773 to 33801. [2022-10-16 16:16:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33801 states, 33779 states have (on average 1.5569436632227123) internal successors, (52592), 33800 states have internal predecessors, (52592), 0 states have call successors, (0), 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 16:16:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33801 states to 33801 states and 52592 transitions. [2022-10-16 16:16:21,100 INFO L78 Accepts]: Start accepts. Automaton has 33801 states and 52592 transitions. Word has length 123 [2022-10-16 16:16:21,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:21,100 INFO L495 AbstractCegarLoop]: Abstraction has 33801 states and 52592 transitions. [2022-10-16 16:16:21,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.75) internal successors, (123), 5 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 16:16:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 33801 states and 52592 transitions. [2022-10-16 16:16:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:16:21,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:21,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:16:21,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:16:21,109 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:16:21,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:21,110 INFO L85 PathProgramCache]: Analyzing trace with hash 100866477, now seen corresponding path program 1 times [2022-10-16 16:16:21,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:21,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944415399] [2022-10-16 16:16:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:21,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:21,276 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 16:16:21,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:21,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944415399] [2022-10-16 16:16:21,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944415399] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:21,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:21,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:16:21,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427278031] [2022-10-16 16:16:21,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:21,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:16:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:21,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:16:21,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:16:21,279 INFO L87 Difference]: Start difference. First operand 33801 states and 52592 transitions. Second operand has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 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 16:16:24,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:24,663 INFO L93 Difference]: Finished difference Result 33819 states and 52592 transitions. [2022-10-16 16:16:24,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:16:24,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 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 16:16:24,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:24,737 INFO L225 Difference]: With dead ends: 33819 [2022-10-16 16:16:24,737 INFO L226 Difference]: Without dead ends: 33817 [2022-10-16 16:16:24,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:16:24,748 INFO L413 NwaCegarLoop]: 587 mSDtfsCounter, 558 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:24,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 948 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:16:24,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33817 states. [2022-10-16 16:16:28,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33817 to 32611. [2022-10-16 16:16:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32611 states, 32591 states have (on average 1.5537418305667208) internal successors, (50638), 32610 states have internal predecessors, (50638), 0 states have call successors, (0), 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 16:16:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32611 states to 32611 states and 50638 transitions. [2022-10-16 16:16:28,212 INFO L78 Accepts]: Start accepts. Automaton has 32611 states and 50638 transitions. Word has length 123 [2022-10-16 16:16:28,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:28,212 INFO L495 AbstractCegarLoop]: Abstraction has 32611 states and 50638 transitions. [2022-10-16 16:16:28,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 41.0) internal successors, (123), 4 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 16:16:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 32611 states and 50638 transitions. [2022-10-16 16:16:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:16:28,218 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:28,219 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 16:16:28,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:16:28,219 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:16:28,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:28,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1451255367, now seen corresponding path program 1 times [2022-10-16 16:16:28,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:28,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156305398] [2022-10-16 16:16:28,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:28,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:28,383 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 16:16:28,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:28,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156305398] [2022-10-16 16:16:28,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156305398] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:28,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:28,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:16:28,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763480353] [2022-10-16 16:16:28,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:28,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:16:28,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:28,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:16:28,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:16:28,386 INFO L87 Difference]: Start difference. First operand 32611 states and 50638 transitions. Second operand has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 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 16:16:32,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:32,851 INFO L93 Difference]: Finished difference Result 44429 states and 69346 transitions. [2022-10-16 16:16:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:16:32,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 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 16:16:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:32,914 INFO L225 Difference]: With dead ends: 44429 [2022-10-16 16:16:32,914 INFO L226 Difference]: Without dead ends: 44427 [2022-10-16 16:16:32,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:16:32,926 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1196 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1196 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:32,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1196 Valid, 1164 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:16:32,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44427 states. [2022-10-16 16:16:36,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44427 to 36704. [2022-10-16 16:16:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36704 states, 36684 states have (on average 1.5570003271180897) internal successors, (57117), 36703 states have internal predecessors, (57117), 0 states have call successors, (0), 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 16:16:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36704 states to 36704 states and 57117 transitions. [2022-10-16 16:16:36,929 INFO L78 Accepts]: Start accepts. Automaton has 36704 states and 57117 transitions. Word has length 124 [2022-10-16 16:16:36,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:36,930 INFO L495 AbstractCegarLoop]: Abstraction has 36704 states and 57117 transitions. [2022-10-16 16:16:36,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 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 16:16:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand 36704 states and 57117 transitions. [2022-10-16 16:16:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:16:36,937 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:36,937 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 16:16:36,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:16:36,937 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:16:36,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:36,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1358511759, now seen corresponding path program 1 times [2022-10-16 16:16:36,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:36,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683024631] [2022-10-16 16:16:36,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:36,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:37,038 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 16:16:37,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:37,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683024631] [2022-10-16 16:16:37,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683024631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:37,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:37,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:16:37,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104722139] [2022-10-16 16:16:37,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:37,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:16:37,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:37,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:16:37,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:16:37,041 INFO L87 Difference]: Start difference. First operand 36704 states and 57117 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) 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 16:16:44,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:16:44,385 INFO L93 Difference]: Finished difference Result 105702 states and 164438 transitions. [2022-10-16 16:16:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:16:44,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) 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 16:16:44,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:16:44,500 INFO L225 Difference]: With dead ends: 105702 [2022-10-16 16:16:44,501 INFO L226 Difference]: Without dead ends: 69796 [2022-10-16 16:16:44,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:16:44,681 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 267 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 814 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:16:44,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 814 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:16:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69796 states. [2022-10-16 16:16:52,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69796 to 65908. [2022-10-16 16:16:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65908 states, 65888 states have (on average 1.5441962117532784) internal successors, (101744), 65907 states have internal predecessors, (101744), 0 states have call successors, (0), 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 16:16:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65908 states to 65908 states and 101744 transitions. [2022-10-16 16:16:52,376 INFO L78 Accepts]: Start accepts. Automaton has 65908 states and 101744 transitions. Word has length 124 [2022-10-16 16:16:52,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:16:52,376 INFO L495 AbstractCegarLoop]: Abstraction has 65908 states and 101744 transitions. [2022-10-16 16:16:52,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) 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 16:16:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 65908 states and 101744 transitions. [2022-10-16 16:16:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:16:52,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:16:52,386 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 16:16:52,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:16:52,386 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:16:52,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:16:52,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1168106084, now seen corresponding path program 1 times [2022-10-16 16:16:52,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:16:52,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617418507] [2022-10-16 16:16:52,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:16:52,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:16:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:16:52,569 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 16:16:52,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:16:52,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617418507] [2022-10-16 16:16:52,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617418507] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:16:52,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:16:52,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:16:52,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617115726] [2022-10-16 16:16:52,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:16:52,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:16:52,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:16:52,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:16:52,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:16:52,572 INFO L87 Difference]: Start difference. First operand 65908 states and 101744 transitions. Second operand has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 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 16:17:00,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:00,329 INFO L93 Difference]: Finished difference Result 73528 states and 113431 transitions. [2022-10-16 16:17:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:17:00,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 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 16:17:00,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:00,439 INFO L225 Difference]: With dead ends: 73528 [2022-10-16 16:17:00,439 INFO L226 Difference]: Without dead ends: 73526 [2022-10-16 16:17:00,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:17:00,455 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 1167 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:00,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1167 Valid, 1572 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:17:00,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73526 states. [2022-10-16 16:17:08,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73526 to 71476. [2022-10-16 16:17:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71476 states, 71456 states have (on average 1.5445728840125392) internal successors, (110369), 71475 states have internal predecessors, (110369), 0 states have call successors, (0), 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 16:17:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71476 states to 71476 states and 110369 transitions. [2022-10-16 16:17:08,566 INFO L78 Accepts]: Start accepts. Automaton has 71476 states and 110369 transitions. Word has length 124 [2022-10-16 16:17:08,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:08,567 INFO L495 AbstractCegarLoop]: Abstraction has 71476 states and 110369 transitions. [2022-10-16 16:17:08,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 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 16:17:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 71476 states and 110369 transitions. [2022-10-16 16:17:08,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:17:08,574 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:08,574 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 16:17:08,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:17:08,575 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:17:08,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:08,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2039243846, now seen corresponding path program 1 times [2022-10-16 16:17:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:08,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52161508] [2022-10-16 16:17:08,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:08,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:09,022 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 16:17:09,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:09,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52161508] [2022-10-16 16:17:09,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52161508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:09,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:09,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:17:09,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728136315] [2022-10-16 16:17:09,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:09,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:17:09,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:09,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:17:09,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:17:09,030 INFO L87 Difference]: Start difference. First operand 71476 states and 110369 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 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 16:17:17,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:17,091 INFO L93 Difference]: Finished difference Result 77224 states and 119075 transitions. [2022-10-16 16:17:17,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:17:17,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 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 16:17:17,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:17,303 INFO L225 Difference]: With dead ends: 77224 [2022-10-16 16:17:17,303 INFO L226 Difference]: Without dead ends: 77222 [2022-10-16 16:17:17,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:17:17,319 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 1757 mSDsluCounter, 1255 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:17,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 1836 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:17:17,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77222 states. [2022-10-16 16:17:25,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77222 to 75168. [2022-10-16 16:17:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75168 states, 75148 states have (on average 1.5437935806674827) internal successors, (116013), 75167 states have internal predecessors, (116013), 0 states have call successors, (0), 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 16:17:25,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75168 states to 75168 states and 116013 transitions. [2022-10-16 16:17:25,684 INFO L78 Accepts]: Start accepts. Automaton has 75168 states and 116013 transitions. Word has length 125 [2022-10-16 16:17:25,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:25,684 INFO L495 AbstractCegarLoop]: Abstraction has 75168 states and 116013 transitions. [2022-10-16 16:17:25,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 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 16:17:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 75168 states and 116013 transitions. [2022-10-16 16:17:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:17:25,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:25,694 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 16:17:25,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:17:25,695 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:17:25,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:25,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1685288232, now seen corresponding path program 1 times [2022-10-16 16:17:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:25,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487710446] [2022-10-16 16:17:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:25,886 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 16:17:25,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:25,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487710446] [2022-10-16 16:17:25,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487710446] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:25,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:25,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:17:25,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451506747] [2022-10-16 16:17:25,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:25,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:17:25,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:25,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:17:25,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:17:25,889 INFO L87 Difference]: Start difference. First operand 75168 states and 116013 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 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 16:17:34,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:34,452 INFO L93 Difference]: Finished difference Result 79104 states and 122007 transitions. [2022-10-16 16:17:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:17:34,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 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 16:17:34,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:34,561 INFO L225 Difference]: With dead ends: 79104 [2022-10-16 16:17:34,561 INFO L226 Difference]: Without dead ends: 79102 [2022-10-16 16:17:34,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:17:34,577 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 1765 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:34,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 1800 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:17:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79102 states. [2022-10-16 16:17:43,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79102 to 78612. [2022-10-16 16:17:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78612 states, 78592 states have (on average 1.5432486767100977) internal successors, (121287), 78611 states have internal predecessors, (121287), 0 states have call successors, (0), 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 16:17:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78612 states to 78612 states and 121287 transitions. [2022-10-16 16:17:43,343 INFO L78 Accepts]: Start accepts. Automaton has 78612 states and 121287 transitions. Word has length 125 [2022-10-16 16:17:43,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:17:43,343 INFO L495 AbstractCegarLoop]: Abstraction has 78612 states and 121287 transitions. [2022-10-16 16:17:43,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 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 16:17:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 78612 states and 121287 transitions. [2022-10-16 16:17:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:17:43,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:17:43,350 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 16:17:43,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:17:43,350 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 45 more)] === [2022-10-16 16:17:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:17:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1405912760, now seen corresponding path program 1 times [2022-10-16 16:17:43,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:17:43,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283466631] [2022-10-16 16:17:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:17:43,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:17:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:17:43,524 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 16:17:43,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:17:43,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283466631] [2022-10-16 16:17:43,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283466631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:17:43,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:17:43,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:17:43,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840605838] [2022-10-16 16:17:43,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:17:43,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:17:43,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:17:43,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:17:43,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:17:43,526 INFO L87 Difference]: Start difference. First operand 78612 states and 121287 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 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 16:17:52,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:17:52,317 INFO L93 Difference]: Finished difference Result 80886 states and 124611 transitions. [2022-10-16 16:17:52,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:17:52,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 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 16:17:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:17:52,437 INFO L225 Difference]: With dead ends: 80886 [2022-10-16 16:17:52,437 INFO L226 Difference]: Without dead ends: 80884 [2022-10-16 16:17:52,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:17:52,454 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 1760 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:17:52,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 1801 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:17:52,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80884 states.