/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:52:04,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:52:04,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:52:04,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:52:04,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:52:04,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:52:04,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:52:04,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:52:04,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:52:04,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:52:04,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:52:04,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:52:04,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:52:04,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:52:04,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:52:04,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:52:04,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:52:04,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:52:04,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:52:04,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:52:04,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:52:04,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:52:04,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:52:04,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:52:04,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:52:04,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:52:04,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:52:04,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:52:04,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:52:04,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:52:04,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:52:04,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:52:04,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:52:04,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:52:04,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:52:04,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:52:04,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:52:04,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:52:04,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:52:04,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:52:04,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:52:04,466 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 16:52:04,512 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:52:04,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:52:04,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:52:04,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:52:04,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:52:04,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:52:04,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:52:04,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:52:04,515 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:52:04,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:52:04,515 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:52:04,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:52:04,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:52:04,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:52:04,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:52:04,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:52:04,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:52:04,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:52:04,517 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:52:04,517 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:52:04,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:52:04,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:52:04,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:52:04,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:52:04,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:52:04,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:52:04,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:52:04,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:52:04,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:52:04,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:52:04,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:52:04,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:52:04,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:52:04,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:52:04,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:52:04,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:52:04,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:52:04,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:52:04,927 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:52:04,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-16 16:52:05,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0980faf2/88e02f969993461fa554cdde1f92eb9f/FLAG803844a70 [2022-10-16 16:52:05,969 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:52:05,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-16 16:52:06,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0980faf2/88e02f969993461fa554cdde1f92eb9f/FLAG803844a70 [2022-10-16 16:52:06,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0980faf2/88e02f969993461fa554cdde1f92eb9f [2022-10-16 16:52:06,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:52:06,106 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:52:06,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:52:06,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:52:06,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:52:06,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:52:06" (1/1) ... [2022-10-16 16:52:06,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559c4916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:06, skipping insertion in model container [2022-10-16 16:52:06,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:52:06" (1/1) ... [2022-10-16 16:52:06,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:52:06,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:52:07,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[54875,54888] [2022-10-16 16:52:07,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:52:07,885 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:52:08,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c[54875,54888] [2022-10-16 16:52:09,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:52:09,131 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:52:09,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09 WrapperNode [2022-10-16 16:52:09,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:52:09,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:52:09,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:52:09,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:52:09,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,340 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5480 [2022-10-16 16:52:09,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:52:09,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:52:09,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:52:09,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:52:09,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:52:09,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:52:09,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:52:09,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:52:09,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (1/1) ... [2022-10-16 16:52:09,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:52:09,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:52:09,627 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 16:52:09,643 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 16:52:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:52:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:52:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:52:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:52:10,085 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:52:10,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:52:14,123 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:52:14,164 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:52:14,165 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:52:14,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:52:14 BoogieIcfgContainer [2022-10-16 16:52:14,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:52:14,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:52:14,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:52:14,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:52:14,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:52:06" (1/3) ... [2022-10-16 16:52:14,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0a30ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:52:14, skipping insertion in model container [2022-10-16 16:52:14,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:52:09" (2/3) ... [2022-10-16 16:52:14,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e0a30ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:52:14, skipping insertion in model container [2022-10-16 16:52:14,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:52:14" (3/3) ... [2022-10-16 16:52:14,183 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.2.ufo.BOUNDED-10.pals.c.v+nlh-reducer.c [2022-10-16 16:52:14,210 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:52:14,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 306 error locations. [2022-10-16 16:52:14,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:52:14,354 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;@29aef4dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:52:14,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 306 error locations. [2022-10-16 16:52:14,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 2036 states, 1729 states have (on average 1.8392134181607867) internal successors, (3180), 2035 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states 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 16:52:14,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-16 16:52:14,406 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:14,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:14,408 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:14,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:14,414 INFO L85 PathProgramCache]: Analyzing trace with hash -971455565, now seen corresponding path program 1 times [2022-10-16 16:52:14,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:14,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47044695] [2022-10-16 16:52:14,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:14,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:15,667 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 16:52:15,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:15,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47044695] [2022-10-16 16:52:15,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47044695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:15,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:15,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:15,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728058587] [2022-10-16 16:52:15,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:15,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:15,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:15,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:15,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:15,721 INFO L87 Difference]: Start difference. First operand has 2036 states, 1729 states have (on average 1.8392134181607867) internal successors, (3180), 2035 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:16,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:16,471 INFO L93 Difference]: Finished difference Result 2520 states and 3874 transitions. [2022-10-16 16:52:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:16,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2022-10-16 16:52:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:16,509 INFO L225 Difference]: With dead ends: 2520 [2022-10-16 16:52:16,509 INFO L226 Difference]: Without dead ends: 2496 [2022-10-16 16:52:16,515 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 16:52:16,520 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 2937 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 3401 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:16,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 3401 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:52:16,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2022-10-16 16:52:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2402. [2022-10-16 16:52:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 2106 states have (on average 1.7207977207977208) internal successors, (3624), 2401 states have internal predecessors, (3624), 0 states have call successors, (0), 0 states 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 16:52:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 3624 transitions. [2022-10-16 16:52:16,725 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 3624 transitions. Word has length 225 [2022-10-16 16:52:16,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:16,730 INFO L495 AbstractCegarLoop]: Abstraction has 2402 states and 3624 transitions. [2022-10-16 16:52:16,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 3624 transitions. [2022-10-16 16:52:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-16 16:52:16,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:16,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:16,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:52:16,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:16,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:16,753 INFO L85 PathProgramCache]: Analyzing trace with hash -50350561, now seen corresponding path program 1 times [2022-10-16 16:52:16,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:16,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252512678] [2022-10-16 16:52:16,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:16,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:17,327 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 16:52:17,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:17,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252512678] [2022-10-16 16:52:17,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252512678] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:17,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:17,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:17,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683686898] [2022-10-16 16:52:17,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:17,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:17,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:17,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:17,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:17,336 INFO L87 Difference]: Start difference. First operand 2402 states and 3624 transitions. Second operand has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:17,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:17,965 INFO L93 Difference]: Finished difference Result 2501 states and 3624 transitions. [2022-10-16 16:52:17,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:17,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2022-10-16 16:52:17,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:17,983 INFO L225 Difference]: With dead ends: 2501 [2022-10-16 16:52:17,983 INFO L226 Difference]: Without dead ends: 2486 [2022-10-16 16:52:17,987 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 16:52:17,989 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2711 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2711 SdHoareTripleChecker+Valid, 3203 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:17,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2711 Valid, 3203 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2022-10-16 16:52:18,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2392. [2022-10-16 16:52:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2106 states have (on average 1.7136752136752136) internal successors, (3609), 2391 states have internal predecessors, (3609), 0 states have call successors, (0), 0 states 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 16:52:18,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3609 transitions. [2022-10-16 16:52:18,123 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3609 transitions. Word has length 226 [2022-10-16 16:52:18,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:18,124 INFO L495 AbstractCegarLoop]: Abstraction has 2392 states and 3609 transitions. [2022-10-16 16:52:18,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:18,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3609 transitions. [2022-10-16 16:52:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-10-16 16:52:18,129 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:18,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:18,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:52:18,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:18,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:18,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1560866507, now seen corresponding path program 1 times [2022-10-16 16:52:18,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:18,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320250826] [2022-10-16 16:52:18,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:18,615 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 16:52:18,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:18,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320250826] [2022-10-16 16:52:18,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320250826] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:18,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:18,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:18,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299095190] [2022-10-16 16:52:18,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:18,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:18,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:18,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:18,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:18,619 INFO L87 Difference]: Start difference. First operand 2392 states and 3609 transitions. Second operand has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:19,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:19,247 INFO L93 Difference]: Finished difference Result 2761 states and 4099 transitions. [2022-10-16 16:52:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:19,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 227 [2022-10-16 16:52:19,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:19,268 INFO L225 Difference]: With dead ends: 2761 [2022-10-16 16:52:19,268 INFO L226 Difference]: Without dead ends: 2746 [2022-10-16 16:52:19,271 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 16:52:19,273 INFO L413 NwaCegarLoop]: 2614 mSDtfsCounter, 2694 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 3159 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:19,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 3159 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:19,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2022-10-16 16:52:19,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2662. [2022-10-16 16:52:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 2386 states have (on average 1.7116512992455992) internal successors, (4084), 2661 states have internal predecessors, (4084), 0 states have call successors, (0), 0 states 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 16:52:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 4084 transitions. [2022-10-16 16:52:19,444 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 4084 transitions. Word has length 227 [2022-10-16 16:52:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:19,445 INFO L495 AbstractCegarLoop]: Abstraction has 2662 states and 4084 transitions. [2022-10-16 16:52:19,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 4084 transitions. [2022-10-16 16:52:19,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-10-16 16:52:19,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:19,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:19,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:52:19,451 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:19,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:19,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1142220575, now seen corresponding path program 1 times [2022-10-16 16:52:19,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:19,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203343005] [2022-10-16 16:52:19,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:19,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:19,901 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 16:52:19,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:19,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203343005] [2022-10-16 16:52:19,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203343005] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:19,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:19,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:19,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316596048] [2022-10-16 16:52:19,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:19,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:19,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:19,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:19,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:19,905 INFO L87 Difference]: Start difference. First operand 2662 states and 4084 transitions. Second operand has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states 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 16:52:20,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:20,517 INFO L93 Difference]: Finished difference Result 2751 states and 4084 transitions. [2022-10-16 16:52:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:20,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 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 228 [2022-10-16 16:52:20,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:20,534 INFO L225 Difference]: With dead ends: 2751 [2022-10-16 16:52:20,534 INFO L226 Difference]: Without dead ends: 2736 [2022-10-16 16:52:20,538 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 16:52:20,539 INFO L413 NwaCegarLoop]: 2619 mSDtfsCounter, 2678 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2678 SdHoareTripleChecker+Valid, 3164 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:20,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2678 Valid, 3164 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:20,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2736 states. [2022-10-16 16:52:20,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2736 to 2652. [2022-10-16 16:52:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 2386 states have (on average 1.7053646269907796) internal successors, (4069), 2651 states have internal predecessors, (4069), 0 states have call successors, (0), 0 states 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 16:52:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 4069 transitions. [2022-10-16 16:52:20,811 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 4069 transitions. Word has length 228 [2022-10-16 16:52:20,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:20,811 INFO L495 AbstractCegarLoop]: Abstraction has 2652 states and 4069 transitions. [2022-10-16 16:52:20,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states 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 16:52:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 4069 transitions. [2022-10-16 16:52:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-16 16:52:20,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:20,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:20,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:52:20,819 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:20,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:20,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1049098569, now seen corresponding path program 1 times [2022-10-16 16:52:20,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:20,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599736597] [2022-10-16 16:52:20,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:20,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:21,344 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 16:52:21,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:21,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599736597] [2022-10-16 16:52:21,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599736597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:21,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:21,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:21,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305993733] [2022-10-16 16:52:21,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:21,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:21,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:21,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:21,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:21,348 INFO L87 Difference]: Start difference. First operand 2652 states and 4069 transitions. Second operand has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:22,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:22,103 INFO L93 Difference]: Finished difference Result 3011 states and 4553 transitions. [2022-10-16 16:52:22,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:22,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2022-10-16 16:52:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:22,121 INFO L225 Difference]: With dead ends: 3011 [2022-10-16 16:52:22,121 INFO L226 Difference]: Without dead ends: 2996 [2022-10-16 16:52:22,124 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 16:52:22,125 INFO L413 NwaCegarLoop]: 2587 mSDtfsCounter, 2661 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2661 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:22,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2661 Valid, 3120 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:52:22,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2996 states. [2022-10-16 16:52:22,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2996 to 2922. [2022-10-16 16:52:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2922 states, 2666 states have (on average 1.7021755438859716) internal successors, (4538), 2921 states have internal predecessors, (4538), 0 states have call successors, (0), 0 states 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 16:52:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 4538 transitions. [2022-10-16 16:52:22,427 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 4538 transitions. Word has length 229 [2022-10-16 16:52:22,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:22,428 INFO L495 AbstractCegarLoop]: Abstraction has 2922 states and 4538 transitions. [2022-10-16 16:52:22,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 4538 transitions. [2022-10-16 16:52:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-10-16 16:52:22,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:22,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:22,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:52:22,433 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:22,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1837683619, now seen corresponding path program 1 times [2022-10-16 16:52:22,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:22,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526567298] [2022-10-16 16:52:22,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:22,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:22,905 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 16:52:22,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:22,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526567298] [2022-10-16 16:52:22,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526567298] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:22,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:22,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:22,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28541133] [2022-10-16 16:52:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:22,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:22,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:22,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:22,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:22,909 INFO L87 Difference]: Start difference. First operand 2922 states and 4538 transitions. Second operand has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:23,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:23,615 INFO L93 Difference]: Finished difference Result 3001 states and 4538 transitions. [2022-10-16 16:52:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:23,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2022-10-16 16:52:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:23,631 INFO L225 Difference]: With dead ends: 3001 [2022-10-16 16:52:23,632 INFO L226 Difference]: Without dead ends: 2986 [2022-10-16 16:52:23,634 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 16:52:23,636 INFO L413 NwaCegarLoop]: 2592 mSDtfsCounter, 2645 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 3125 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:23,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2645 Valid, 3125 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:23,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2022-10-16 16:52:23,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2912. [2022-10-16 16:52:23,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2666 states have (on average 1.696549137284321) internal successors, (4523), 2911 states have internal predecessors, (4523), 0 states have call successors, (0), 0 states 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 16:52:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4523 transitions. [2022-10-16 16:52:23,871 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4523 transitions. Word has length 230 [2022-10-16 16:52:23,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:23,872 INFO L495 AbstractCegarLoop]: Abstraction has 2912 states and 4523 transitions. [2022-10-16 16:52:23,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4523 transitions. [2022-10-16 16:52:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-16 16:52:23,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:23,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:23,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:52:23,878 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:23,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1133618233, now seen corresponding path program 1 times [2022-10-16 16:52:23,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:23,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835682620] [2022-10-16 16:52:23,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:23,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:24,471 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 16:52:24,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:24,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835682620] [2022-10-16 16:52:24,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835682620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:24,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:24,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:24,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894343433] [2022-10-16 16:52:24,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:24,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:24,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:24,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:24,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:24,475 INFO L87 Difference]: Start difference. First operand 2912 states and 4523 transitions. Second operand has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states 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 16:52:25,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:25,180 INFO L93 Difference]: Finished difference Result 3840 states and 6055 transitions. [2022-10-16 16:52:25,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:25,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2022-10-16 16:52:25,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:25,204 INFO L225 Difference]: With dead ends: 3840 [2022-10-16 16:52:25,204 INFO L226 Difference]: Without dead ends: 3825 [2022-10-16 16:52:25,207 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 16:52:25,208 INFO L413 NwaCegarLoop]: 2533 mSDtfsCounter, 2652 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2652 SdHoareTripleChecker+Valid, 2989 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:25,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2652 Valid, 2989 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:52:25,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2022-10-16 16:52:25,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 3799. [2022-10-16 16:52:25,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3799 states, 3566 states have (on average 1.6909702748177229) internal successors, (6030), 3798 states have internal predecessors, (6030), 0 states have call successors, (0), 0 states 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 16:52:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3799 states to 3799 states and 6030 transitions. [2022-10-16 16:52:25,649 INFO L78 Accepts]: Start accepts. Automaton has 3799 states and 6030 transitions. Word has length 231 [2022-10-16 16:52:25,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:25,649 INFO L495 AbstractCegarLoop]: Abstraction has 3799 states and 6030 transitions. [2022-10-16 16:52:25,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states 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 16:52:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3799 states and 6030 transitions. [2022-10-16 16:52:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-16 16:52:25,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:25,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:25,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:52:25,657 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:25,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:25,658 INFO L85 PathProgramCache]: Analyzing trace with hash 782427749, now seen corresponding path program 1 times [2022-10-16 16:52:25,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:25,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786911913] [2022-10-16 16:52:25,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:25,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:26,256 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 16:52:26,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:26,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786911913] [2022-10-16 16:52:26,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786911913] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:26,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:26,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:26,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647935917] [2022-10-16 16:52:26,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:26,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:26,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:26,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:26,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:26,260 INFO L87 Difference]: Start difference. First operand 3799 states and 6030 transitions. Second operand has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:27,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:27,356 INFO L93 Difference]: Finished difference Result 5337 states and 8539 transitions. [2022-10-16 16:52:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:27,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 232 [2022-10-16 16:52:27,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:27,411 INFO L225 Difference]: With dead ends: 5337 [2022-10-16 16:52:27,411 INFO L226 Difference]: Without dead ends: 5322 [2022-10-16 16:52:27,414 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 16:52:27,414 INFO L413 NwaCegarLoop]: 2562 mSDtfsCounter, 2630 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 3064 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:27,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 3064 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:52:27,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5322 states. [2022-10-16 16:52:27,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5322 to 5248. [2022-10-16 16:52:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5248 states, 5025 states have (on average 1.693731343283582) internal successors, (8511), 5247 states have internal predecessors, (8511), 0 states have call successors, (0), 0 states 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 16:52:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 8511 transitions. [2022-10-16 16:52:27,949 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 8511 transitions. Word has length 232 [2022-10-16 16:52:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:27,950 INFO L495 AbstractCegarLoop]: Abstraction has 5248 states and 8511 transitions. [2022-10-16 16:52:27,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 8511 transitions. [2022-10-16 16:52:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-16 16:52:27,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:27,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:27,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:52:27,960 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:27,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:27,961 INFO L85 PathProgramCache]: Analyzing trace with hash 293818695, now seen corresponding path program 1 times [2022-10-16 16:52:27,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:27,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876287806] [2022-10-16 16:52:27,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:28,352 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 16:52:28,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:28,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876287806] [2022-10-16 16:52:28,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876287806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:28,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:28,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:28,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556410225] [2022-10-16 16:52:28,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:28,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:28,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:28,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:28,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:28,357 INFO L87 Difference]: Start difference. First operand 5248 states and 8511 transitions. Second operand has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 16:52:29,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:29,469 INFO L93 Difference]: Finished difference Result 8289 states and 13639 transitions. [2022-10-16 16:52:29,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:29,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 234 [2022-10-16 16:52:29,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:29,496 INFO L225 Difference]: With dead ends: 8289 [2022-10-16 16:52:29,496 INFO L226 Difference]: Without dead ends: 8283 [2022-10-16 16:52:29,502 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 16:52:29,504 INFO L413 NwaCegarLoop]: 2558 mSDtfsCounter, 2528 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 3017 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:29,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 3017 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:52:29,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8283 states. [2022-10-16 16:52:30,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8283 to 8251. [2022-10-16 16:52:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8251 states, 8033 states have (on average 1.6932652807170423) internal successors, (13602), 8250 states have internal predecessors, (13602), 0 states have call successors, (0), 0 states 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 16:52:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8251 states to 8251 states and 13602 transitions. [2022-10-16 16:52:30,464 INFO L78 Accepts]: Start accepts. Automaton has 8251 states and 13602 transitions. Word has length 234 [2022-10-16 16:52:30,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:30,465 INFO L495 AbstractCegarLoop]: Abstraction has 8251 states and 13602 transitions. [2022-10-16 16:52:30,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states 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 16:52:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 8251 states and 13602 transitions. [2022-10-16 16:52:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-10-16 16:52:30,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:30,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:30,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:52:30,470 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:30,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:30,472 INFO L85 PathProgramCache]: Analyzing trace with hash 518445854, now seen corresponding path program 1 times [2022-10-16 16:52:30,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:30,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521469716] [2022-10-16 16:52:30,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:30,917 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 16:52:30,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:30,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521469716] [2022-10-16 16:52:30,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521469716] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:30,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:30,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:30,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603522930] [2022-10-16 16:52:30,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:30,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:30,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:30,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:30,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:30,920 INFO L87 Difference]: Start difference. First operand 8251 states and 13602 transitions. Second operand has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:32,783 INFO L93 Difference]: Finished difference Result 14574 states and 24282 transitions. [2022-10-16 16:52:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:32,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 235 [2022-10-16 16:52:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:32,831 INFO L225 Difference]: With dead ends: 14574 [2022-10-16 16:52:32,831 INFO L226 Difference]: Without dead ends: 14568 [2022-10-16 16:52:32,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:32,839 INFO L413 NwaCegarLoop]: 3084 mSDtfsCounter, 2462 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:32,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 3599 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14568 states. [2022-10-16 16:52:34,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14568 to 14498. [2022-10-16 16:52:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14498 states, 14285 states have (on average 1.696674833741687) internal successors, (24237), 14497 states have internal predecessors, (24237), 0 states have call successors, (0), 0 states 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 16:52:34,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14498 states to 14498 states and 24237 transitions. [2022-10-16 16:52:34,127 INFO L78 Accepts]: Start accepts. Automaton has 14498 states and 24237 transitions. Word has length 235 [2022-10-16 16:52:34,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:34,128 INFO L495 AbstractCegarLoop]: Abstraction has 14498 states and 24237 transitions. [2022-10-16 16:52:34,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 117.5) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:34,128 INFO L276 IsEmpty]: Start isEmpty. Operand 14498 states and 24237 transitions. [2022-10-16 16:52:34,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-10-16 16:52:34,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:34,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:34,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:52:34,135 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:34,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:34,136 INFO L85 PathProgramCache]: Analyzing trace with hash 10288288, now seen corresponding path program 1 times [2022-10-16 16:52:34,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:34,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499005241] [2022-10-16 16:52:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:34,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:34,488 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 16:52:34,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:34,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499005241] [2022-10-16 16:52:34,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499005241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:34,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:34,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:34,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142573830] [2022-10-16 16:52:34,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:34,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:34,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:34,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:34,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:34,491 INFO L87 Difference]: Start difference. First operand 14498 states and 24237 transitions. Second operand has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states 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 16:52:36,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:36,988 INFO L93 Difference]: Finished difference Result 26349 states and 44293 transitions. [2022-10-16 16:52:36,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:36,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 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 237 [2022-10-16 16:52:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:37,097 INFO L225 Difference]: With dead ends: 26349 [2022-10-16 16:52:37,097 INFO L226 Difference]: Without dead ends: 26342 [2022-10-16 16:52:37,110 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 16:52:37,112 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 2631 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 2897 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:37,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 2897 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:52:37,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26342 states. [2022-10-16 16:52:39,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26342 to 26271. [2022-10-16 16:52:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26271 states, 26064 states have (on average 1.6947513812154695) internal successors, (44172), 26270 states have internal predecessors, (44172), 0 states have call successors, (0), 0 states 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 16:52:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26271 states to 26271 states and 44172 transitions. [2022-10-16 16:52:39,384 INFO L78 Accepts]: Start accepts. Automaton has 26271 states and 44172 transitions. Word has length 237 [2022-10-16 16:52:39,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:39,385 INFO L495 AbstractCegarLoop]: Abstraction has 26271 states and 44172 transitions. [2022-10-16 16:52:39,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 118.5) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states 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 16:52:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 26271 states and 44172 transitions. [2022-10-16 16:52:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-10-16 16:52:39,393 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:39,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:39,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:52:39,394 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:39,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:39,395 INFO L85 PathProgramCache]: Analyzing trace with hash 318937836, now seen corresponding path program 1 times [2022-10-16 16:52:39,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:39,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963842753] [2022-10-16 16:52:39,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:39,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:39,787 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 16:52:39,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:39,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963842753] [2022-10-16 16:52:39,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963842753] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:39,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:39,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:39,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233361356] [2022-10-16 16:52:39,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:39,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:39,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:39,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:39,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:39,792 INFO L87 Difference]: Start difference. First operand 26271 states and 44172 transitions. Second operand has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 16:52:44,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:44,066 INFO L93 Difference]: Finished difference Result 50377 states and 85010 transitions. [2022-10-16 16:52:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:44,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 238 [2022-10-16 16:52:44,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:44,257 INFO L225 Difference]: With dead ends: 50377 [2022-10-16 16:52:44,258 INFO L226 Difference]: Without dead ends: 50370 [2022-10-16 16:52:44,295 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 16:52:44,296 INFO L413 NwaCegarLoop]: 2526 mSDtfsCounter, 2623 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2623 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:44,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2623 Valid, 2924 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:44,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50370 states. [2022-10-16 16:52:48,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50370 to 50263. [2022-10-16 16:52:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50263 states, 50062 states have (on average 1.6953577563820863) internal successors, (84873), 50262 states have internal predecessors, (84873), 0 states have call successors, (0), 0 states 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 16:52:49,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50263 states to 50263 states and 84873 transitions. [2022-10-16 16:52:49,153 INFO L78 Accepts]: Start accepts. Automaton has 50263 states and 84873 transitions. Word has length 238 [2022-10-16 16:52:49,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:49,155 INFO L495 AbstractCegarLoop]: Abstraction has 50263 states and 84873 transitions. [2022-10-16 16:52:49,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 119.0) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 16:52:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 50263 states and 84873 transitions. [2022-10-16 16:52:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-10-16 16:52:49,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:49,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:49,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:52:49,161 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:52:49,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:49,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1556611534, now seen corresponding path program 1 times [2022-10-16 16:52:49,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:49,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673763101] [2022-10-16 16:52:49,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:49,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:49,516 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 16:52:49,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:49,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673763101] [2022-10-16 16:52:49,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673763101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:49,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:49,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:49,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258702846] [2022-10-16 16:52:49,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:49,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:49,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:49,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:49,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:49,520 INFO L87 Difference]: Start difference. First operand 50263 states and 84873 transitions. Second operand has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 16:52:57,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:57,074 INFO L93 Difference]: Finished difference Result 96281 states and 162763 transitions. [2022-10-16 16:52:57,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:57,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 240 [2022-10-16 16:52:57,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:57,392 INFO L225 Difference]: With dead ends: 96281 [2022-10-16 16:52:57,392 INFO L226 Difference]: Without dead ends: 96274 [2022-10-16 16:52:57,438 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 16:52:57,439 INFO L413 NwaCegarLoop]: 2585 mSDtfsCounter, 2616 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 2967 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:57,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2616 Valid, 2967 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:57,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96274 states. [2022-10-16 16:53:05,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96274 to 96051. [2022-10-16 16:53:05,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96051 states, 95856 states have (on average 1.6934359873143048) internal successors, (162326), 96050 states have internal predecessors, (162326), 0 states have call successors, (0), 0 states 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 16:53:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96051 states to 96051 states and 162326 transitions. [2022-10-16 16:53:06,252 INFO L78 Accepts]: Start accepts. Automaton has 96051 states and 162326 transitions. Word has length 240 [2022-10-16 16:53:06,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:06,253 INFO L495 AbstractCegarLoop]: Abstraction has 96051 states and 162326 transitions. [2022-10-16 16:53:06,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 120.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states 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 16:53:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 96051 states and 162326 transitions. [2022-10-16 16:53:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-10-16 16:53:06,258 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:06,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:06,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:53:06,258 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:53:06,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:06,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1010318213, now seen corresponding path program 1 times [2022-10-16 16:53:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:06,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196666041] [2022-10-16 16:53:06,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:06,584 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 16:53:06,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:06,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196666041] [2022-10-16 16:53:06,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196666041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:06,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:06,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:06,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523264619] [2022-10-16 16:53:06,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:06,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:06,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:06,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:06,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:06,588 INFO L87 Difference]: Start difference. First operand 96051 states and 162326 transitions. Second operand has 3 states, 2 states have (on average 120.5) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states 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 16:53:22,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:22,252 INFO L93 Difference]: Finished difference Result 188861 states and 319468 transitions. [2022-10-16 16:53:22,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:22,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 120.5) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 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 241 [2022-10-16 16:53:22,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:22,814 INFO L225 Difference]: With dead ends: 188861 [2022-10-16 16:53:22,814 INFO L226 Difference]: Without dead ends: 188854 [2022-10-16 16:53:22,910 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 16:53:22,911 INFO L413 NwaCegarLoop]: 2586 mSDtfsCounter, 2608 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2608 SdHoareTripleChecker+Valid, 3004 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:22,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2608 Valid, 3004 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:53:23,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188854 states. [2022-10-16 16:53:39,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188854 to 188597. [2022-10-16 16:53:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188597 states, 188408 states have (on average 1.6931287418793257) internal successors, (318999), 188596 states have internal predecessors, (318999), 0 states have call successors, (0), 0 states 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 16:53:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188597 states to 188597 states and 318999 transitions. [2022-10-16 16:53:40,599 INFO L78 Accepts]: Start accepts. Automaton has 188597 states and 318999 transitions. Word has length 241 [2022-10-16 16:53:40,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:40,600 INFO L495 AbstractCegarLoop]: Abstraction has 188597 states and 318999 transitions. [2022-10-16 16:53:40,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 120.5) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states 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 16:53:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 188597 states and 318999 transitions. [2022-10-16 16:53:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-10-16 16:53:40,617 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:40,617 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:40,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:53:40,618 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:53:40,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:40,622 INFO L85 PathProgramCache]: Analyzing trace with hash 253223175, now seen corresponding path program 1 times [2022-10-16 16:53:40,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:40,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368475471] [2022-10-16 16:53:40,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:40,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:41,043 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 16:53:41,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:41,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368475471] [2022-10-16 16:53:41,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368475471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:41,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:41,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:41,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270376884] [2022-10-16 16:53:41,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:41,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:41,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:41,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:41,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:41,046 INFO L87 Difference]: Start difference. First operand 188597 states and 318999 transitions. Second operand has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states 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 16:54:12,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:54:12,138 INFO L93 Difference]: Finished difference Result 366895 states and 620549 transitions. [2022-10-16 16:54:12,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:54:12,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 243 [2022-10-16 16:54:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:54:13,196 INFO L225 Difference]: With dead ends: 366895 [2022-10-16 16:54:13,196 INFO L226 Difference]: Without dead ends: 366888 [2022-10-16 16:54:13,341 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 16:54:13,343 INFO L413 NwaCegarLoop]: 2645 mSDtfsCounter, 2601 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2601 SdHoareTripleChecker+Valid, 3037 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:54:13,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2601 Valid, 3037 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:54:13,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366888 states. [2022-10-16 16:54:47,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366888 to 366041. [2022-10-16 16:54:48,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366041 states, 365858 states have (on average 1.6914649946153972) internal successors, (618836), 366040 states have internal predecessors, (618836), 0 states have call successors, (0), 0 states 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 16:54:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366041 states to 366041 states and 618836 transitions. [2022-10-16 16:54:50,889 INFO L78 Accepts]: Start accepts. Automaton has 366041 states and 618836 transitions. Word has length 243 [2022-10-16 16:54:50,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:54:50,900 INFO L495 AbstractCegarLoop]: Abstraction has 366041 states and 618836 transitions. [2022-10-16 16:54:50,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 121.5) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states 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 16:54:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 366041 states and 618836 transitions. [2022-10-16 16:54:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-10-16 16:54:50,914 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:54:50,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:54:50,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:54:50,915 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 303 more)] === [2022-10-16 16:54:50,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:54:50,916 INFO L85 PathProgramCache]: Analyzing trace with hash -740015245, now seen corresponding path program 1 times [2022-10-16 16:54:50,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:54:50,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329742295] [2022-10-16 16:54:50,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:54:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:54:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:54:51,275 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 16:54:51,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:54:51,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329742295] [2022-10-16 16:54:51,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329742295] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:54:51,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:54:51,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:54:51,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396324363] [2022-10-16 16:54:51,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:54:51,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:54:51,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:54:51,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:54:51,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:54:51,280 INFO L87 Difference]: Start difference. First operand 366041 states and 618836 transitions. Second operand has 3 states, 2 states have (on average 122.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)