/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:05:46,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:05:46,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:05:46,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:05:46,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:05:46,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:05:46,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:05:46,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:05:46,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:05:46,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:05:46,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:05:46,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:05:46,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:05:46,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:05:46,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:05:46,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:05:46,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:05:46,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:05:46,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:05:46,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:05:46,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:05:46,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:05:46,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:05:46,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:05:46,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:05:46,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:05:46,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:05:46,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:05:46,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:05:46,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:05:46,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:05:46,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:05:46,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:05:46,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:05:46,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:05:46,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:05:46,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:05:46,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:05:46,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:05:46,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:05:46,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:05:46,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:05:46,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:05:46,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:05:46,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:05:46,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:05:46,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:05:46,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:05:46,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:05:46,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:05:46,313 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:05:46,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:05:46,314 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:05:46,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:05:46,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:05:46,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:05:46,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:05:46,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:05:46,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:05:46,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:05:46,316 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:05:46,316 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:05:46,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:05:46,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:05:46,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:05:46,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:05:46,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:05:46,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:05:46,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:05:46,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:05:46,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:05:46,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:05:46,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:05:46,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:05:46,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:05:46,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:05:46,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:05:46,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:05:46,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:05:46,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:05:46,717 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:05:46,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:05:46,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197006fcb/78044116fa4b4eaeae20fbfc5beb623c/FLAG595d5eab9 [2022-10-15 22:05:47,372 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:05:47,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:05:47,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197006fcb/78044116fa4b4eaeae20fbfc5beb623c/FLAG595d5eab9 [2022-10-15 22:05:47,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/197006fcb/78044116fa4b4eaeae20fbfc5beb623c [2022-10-15 22:05:47,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:05:47,689 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:05:47,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:05:47,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:05:47,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:05:47,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:05:47" (1/1) ... [2022-10-15 22:05:47,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c1db8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:47, skipping insertion in model container [2022-10-15 22:05:47,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:05:47" (1/1) ... [2022-10-15 22:05:47,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:05:47,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:05:48,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7233,7246] [2022-10-15 22:05:48,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:05:48,072 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:05:48,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[7233,7246] [2022-10-15 22:05:48,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:05:48,236 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:05:48,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48 WrapperNode [2022-10-15 22:05:48,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:05:48,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:05:48,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:05:48,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:05:48,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,320 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 622 [2022-10-15 22:05:48,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:05:48,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:05:48,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:05:48,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:05:48,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,398 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:05:48,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:05:48,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:05:48,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:05:48,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (1/1) ... [2022-10-15 22:05:48,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:05:48,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:05:48,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:05:48,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:05:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:05:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:05:48,657 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:05:48,660 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:05:49,626 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:05:49,639 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:05:49,639 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:05:49,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:05:49 BoogieIcfgContainer [2022-10-15 22:05:49,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:05:49,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:05:49,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:05:49,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:05:49,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:05:47" (1/3) ... [2022-10-15 22:05:49,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc68b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:05:49, skipping insertion in model container [2022-10-15 22:05:49,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:05:48" (2/3) ... [2022-10-15 22:05:49,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc68b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:05:49, skipping insertion in model container [2022-10-15 22:05:49,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:05:49" (3/3) ... [2022-10-15 22:05:49,654 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-15 22:05:49,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:05:49,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-10-15 22:05:49,747 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:05:49,756 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;@a05818d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:05:49,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-10-15 22:05:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 166 states have (on average 1.819277108433735) internal successors, (302), 200 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 22:05:49,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:49,775 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] [2022-10-15 22:05:49,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:49,783 INFO L85 PathProgramCache]: Analyzing trace with hash -328888992, now seen corresponding path program 1 times [2022-10-15 22:05:49,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:49,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429247444] [2022-10-15 22:05:49,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:49,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:50,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:50,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429247444] [2022-10-15 22:05:50,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429247444] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:50,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:50,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:50,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433001670] [2022-10-15 22:05:50,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:50,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:50,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:50,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:50,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:50,370 INFO L87 Difference]: Start difference. First operand has 201 states, 166 states have (on average 1.819277108433735) internal successors, (302), 200 states have internal predecessors, (302), 0 states have call successors, (0), 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, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:50,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:50,516 INFO L93 Difference]: Finished difference Result 472 states and 670 transitions. [2022-10-15 22:05:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:50,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-15 22:05:50,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:50,550 INFO L225 Difference]: With dead ends: 472 [2022-10-15 22:05:50,551 INFO L226 Difference]: Without dead ends: 319 [2022-10-15 22:05:50,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:50,568 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 184 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:50,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 730 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:50,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-10-15 22:05:50,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 287. [2022-10-15 22:05:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 253 states have (on average 1.7035573122529644) internal successors, (431), 286 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 431 transitions. [2022-10-15 22:05:50,717 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 431 transitions. Word has length 45 [2022-10-15 22:05:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:50,718 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 431 transitions. [2022-10-15 22:05:50,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 431 transitions. [2022-10-15 22:05:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-15 22:05:50,722 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:50,722 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] [2022-10-15 22:05:50,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:05:50,723 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:50,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:50,725 INFO L85 PathProgramCache]: Analyzing trace with hash -777980889, now seen corresponding path program 1 times [2022-10-15 22:05:50,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:50,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632261925] [2022-10-15 22:05:50,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:50,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:51,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:51,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632261925] [2022-10-15 22:05:51,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632261925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:51,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:51,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:51,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132614572] [2022-10-15 22:05:51,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:51,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:51,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:51,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:51,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,019 INFO L87 Difference]: Start difference. First operand 287 states and 431 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:51,128 INFO L93 Difference]: Finished difference Result 639 states and 957 transitions. [2022-10-15 22:05:51,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:51,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-10-15 22:05:51,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:51,132 INFO L225 Difference]: With dead ends: 639 [2022-10-15 22:05:51,132 INFO L226 Difference]: Without dead ends: 406 [2022-10-15 22:05:51,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,136 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 156 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:51,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 492 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:51,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2022-10-15 22:05:51,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 381. [2022-10-15 22:05:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 347 states have (on average 1.7002881844380404) internal successors, (590), 380 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 590 transitions. [2022-10-15 22:05:51,166 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 590 transitions. Word has length 48 [2022-10-15 22:05:51,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:51,167 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 590 transitions. [2022-10-15 22:05:51,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 590 transitions. [2022-10-15 22:05:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-15 22:05:51,169 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:51,169 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] [2022-10-15 22:05:51,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:05:51,170 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:51,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:51,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1520719526, now seen corresponding path program 1 times [2022-10-15 22:05:51,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:51,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006522247] [2022-10-15 22:05:51,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:51,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:51,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:51,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006522247] [2022-10-15 22:05:51,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006522247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:51,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:51,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:51,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370711243] [2022-10-15 22:05:51,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:51,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:51,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:51,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,264 INFO L87 Difference]: Start difference. First operand 381 states and 590 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:51,348 INFO L93 Difference]: Finished difference Result 966 states and 1514 transitions. [2022-10-15 22:05:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:51,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-15 22:05:51,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:51,354 INFO L225 Difference]: With dead ends: 966 [2022-10-15 22:05:51,354 INFO L226 Difference]: Without dead ends: 641 [2022-10-15 22:05:51,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,357 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 173 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:51,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 652 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:51,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-10-15 22:05:51,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 609. [2022-10-15 22:05:51,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 575 states have (on average 1.7304347826086957) internal successors, (995), 608 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 995 transitions. [2022-10-15 22:05:51,420 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 995 transitions. Word has length 50 [2022-10-15 22:05:51,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:51,424 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 995 transitions. [2022-10-15 22:05:51,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 995 transitions. [2022-10-15 22:05:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-15 22:05:51,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:51,433 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] [2022-10-15 22:05:51,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:05:51,434 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:51,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:51,434 INFO L85 PathProgramCache]: Analyzing trace with hash -192638031, now seen corresponding path program 1 times [2022-10-15 22:05:51,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:51,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590921174] [2022-10-15 22:05:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:51,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:51,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:51,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590921174] [2022-10-15 22:05:51,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590921174] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:51,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:51,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:51,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972236459] [2022-10-15 22:05:51,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:51,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:51,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:51,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:51,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,538 INFO L87 Difference]: Start difference. First operand 609 states and 995 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:51,618 INFO L93 Difference]: Finished difference Result 1477 states and 2412 transitions. [2022-10-15 22:05:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:51,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2022-10-15 22:05:51,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:51,624 INFO L225 Difference]: With dead ends: 1477 [2022-10-15 22:05:51,625 INFO L226 Difference]: Without dead ends: 924 [2022-10-15 22:05:51,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,628 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 175 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:51,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 506 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:51,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2022-10-15 22:05:51,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 889. [2022-10-15 22:05:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 889 states, 855 states have (on average 1.7298245614035088) internal successors, (1479), 888 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1479 transitions. [2022-10-15 22:05:51,687 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1479 transitions. Word has length 53 [2022-10-15 22:05:51,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:51,687 INFO L495 AbstractCegarLoop]: Abstraction has 889 states and 1479 transitions. [2022-10-15 22:05:51,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1479 transitions. [2022-10-15 22:05:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:05:51,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:51,689 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] [2022-10-15 22:05:51,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:05:51,690 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:51,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:51,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1649715484, now seen corresponding path program 1 times [2022-10-15 22:05:51,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:51,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436540892] [2022-10-15 22:05:51,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:51,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:51,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:51,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436540892] [2022-10-15 22:05:51,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436540892] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:51,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:51,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:51,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222350216] [2022-10-15 22:05:51,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:51,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:51,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:51,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:51,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,772 INFO L87 Difference]: Start difference. First operand 889 states and 1479 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:51,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:51,936 INFO L93 Difference]: Finished difference Result 2338 states and 3927 transitions. [2022-10-15 22:05:51,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:51,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-10-15 22:05:51,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:51,950 INFO L225 Difference]: With dead ends: 2338 [2022-10-15 22:05:51,950 INFO L226 Difference]: Without dead ends: 1518 [2022-10-15 22:05:51,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:51,957 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 168 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:51,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 634 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:51,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2022-10-15 22:05:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1486. [2022-10-15 22:05:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1452 states have (on average 1.743801652892562) internal successors, (2532), 1485 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2532 transitions. [2022-10-15 22:05:52,084 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2532 transitions. Word has length 55 [2022-10-15 22:05:52,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:52,085 INFO L495 AbstractCegarLoop]: Abstraction has 1486 states and 2532 transitions. [2022-10-15 22:05:52,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2532 transitions. [2022-10-15 22:05:52,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:05:52,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:52,087 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:52,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:05:52,087 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:52,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:52,088 INFO L85 PathProgramCache]: Analyzing trace with hash 798652267, now seen corresponding path program 1 times [2022-10-15 22:05:52,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:52,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436755454] [2022-10-15 22:05:52,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:52,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:52,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:52,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436755454] [2022-10-15 22:05:52,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436755454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:52,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:52,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:52,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148767065] [2022-10-15 22:05:52,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:52,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:52,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:52,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:52,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:52,180 INFO L87 Difference]: Start difference. First operand 1486 states and 2532 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:52,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:52,382 INFO L93 Difference]: Finished difference Result 3671 states and 6259 transitions. [2022-10-15 22:05:52,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:52,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:05:52,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:52,401 INFO L225 Difference]: With dead ends: 3671 [2022-10-15 22:05:52,401 INFO L226 Difference]: Without dead ends: 2254 [2022-10-15 22:05:52,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:52,410 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 170 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:52,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 508 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:05:52,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2022-10-15 22:05:52,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2213. [2022-10-15 22:05:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 2179 states have (on average 1.7365764111977973) internal successors, (3784), 2212 states have internal predecessors, (3784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 3784 transitions. [2022-10-15 22:05:52,651 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 3784 transitions. Word has length 58 [2022-10-15 22:05:52,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:52,653 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 3784 transitions. [2022-10-15 22:05:52,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 3784 transitions. [2022-10-15 22:05:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:05:52,656 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:52,656 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] [2022-10-15 22:05:52,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:05:52,657 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:52,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:52,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1789783198, now seen corresponding path program 1 times [2022-10-15 22:05:52,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:52,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057036245] [2022-10-15 22:05:52,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:52,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:52,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:52,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:52,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057036245] [2022-10-15 22:05:52,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057036245] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:52,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:52,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:52,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414123727] [2022-10-15 22:05:52,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:52,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:52,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:52,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:52,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:52,831 INFO L87 Difference]: Start difference. First operand 2213 states and 3784 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:53,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:53,328 INFO L93 Difference]: Finished difference Result 4118 states and 7090 transitions. [2022-10-15 22:05:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:53,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:05:53,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:53,363 INFO L225 Difference]: With dead ends: 4118 [2022-10-15 22:05:53,364 INFO L226 Difference]: Without dead ends: 4115 [2022-10-15 22:05:53,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:53,379 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 206 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:53,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 383 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:53,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2022-10-15 22:05:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 4087. [2022-10-15 22:05:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4087 states, 4053 states have (on average 1.7315568714532446) internal successors, (7018), 4086 states have internal predecessors, (7018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 4087 states and 7018 transitions. [2022-10-15 22:05:53,759 INFO L78 Accepts]: Start accepts. Automaton has 4087 states and 7018 transitions. Word has length 60 [2022-10-15 22:05:53,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:53,760 INFO L495 AbstractCegarLoop]: Abstraction has 4087 states and 7018 transitions. [2022-10-15 22:05:53,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 7018 transitions. [2022-10-15 22:05:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:05:53,761 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:53,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:53,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:05:53,762 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:53,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:53,763 INFO L85 PathProgramCache]: Analyzing trace with hash -351295465, now seen corresponding path program 1 times [2022-10-15 22:05:53,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:53,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073970991] [2022-10-15 22:05:53,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:53,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:53,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:53,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073970991] [2022-10-15 22:05:53,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073970991] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:53,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:53,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459321080] [2022-10-15 22:05:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:53,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:53,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:53,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:53,907 INFO L87 Difference]: Start difference. First operand 4087 states and 7018 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:54,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:54,313 INFO L93 Difference]: Finished difference Result 4118 states and 7018 transitions. [2022-10-15 22:05:54,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:54,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:05:54,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:54,341 INFO L225 Difference]: With dead ends: 4118 [2022-10-15 22:05:54,342 INFO L226 Difference]: Without dead ends: 4115 [2022-10-15 22:05:54,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:54,347 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 202 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:54,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 386 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:54,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2022-10-15 22:05:54,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 4087. [2022-10-15 22:05:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4087 states, 4053 states have (on average 1.7137922526523564) internal successors, (6946), 4086 states have internal predecessors, (6946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:54,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 4087 states and 6946 transitions. [2022-10-15 22:05:54,726 INFO L78 Accepts]: Start accepts. Automaton has 4087 states and 6946 transitions. Word has length 61 [2022-10-15 22:05:54,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:54,727 INFO L495 AbstractCegarLoop]: Abstraction has 4087 states and 6946 transitions. [2022-10-15 22:05:54,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 6946 transitions. [2022-10-15 22:05:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:05:54,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:54,729 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] [2022-10-15 22:05:54,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:05:54,729 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:54,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:54,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1994742720, now seen corresponding path program 1 times [2022-10-15 22:05:54,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:54,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134258980] [2022-10-15 22:05:54,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:54,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:54,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:54,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:54,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134258980] [2022-10-15 22:05:54,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134258980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:54,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:54,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:54,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977327924] [2022-10-15 22:05:54,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:54,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:54,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:54,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:54,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:54,871 INFO L87 Difference]: Start difference. First operand 4087 states and 6946 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:55,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:55,399 INFO L93 Difference]: Finished difference Result 6089 states and 10171 transitions. [2022-10-15 22:05:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:55,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-15 22:05:55,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:55,440 INFO L225 Difference]: With dead ends: 6089 [2022-10-15 22:05:55,440 INFO L226 Difference]: Without dead ends: 6086 [2022-10-15 22:05:55,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:55,450 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 203 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:55,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 341 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:55,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2022-10-15 22:05:56,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 6076. [2022-10-15 22:05:56,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6076 states, 6044 states have (on average 1.6599933818663137) internal successors, (10033), 6075 states have internal predecessors, (10033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6076 states to 6076 states and 10033 transitions. [2022-10-15 22:05:56,169 INFO L78 Accepts]: Start accepts. Automaton has 6076 states and 10033 transitions. Word has length 62 [2022-10-15 22:05:56,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:56,169 INFO L495 AbstractCegarLoop]: Abstraction has 6076 states and 10033 transitions. [2022-10-15 22:05:56,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 6076 states and 10033 transitions. [2022-10-15 22:05:56,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:05:56,171 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:56,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:05:56,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:05:56,175 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:56,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:56,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1707482425, now seen corresponding path program 1 times [2022-10-15 22:05:56,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:56,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690874063] [2022-10-15 22:05:56,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:56,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:56,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:56,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690874063] [2022-10-15 22:05:56,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690874063] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:56,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:56,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:05:56,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362794247] [2022-10-15 22:05:56,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:56,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:05:56,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:56,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:05:56,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:05:56,371 INFO L87 Difference]: Start difference. First operand 6076 states and 10033 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:05:57,326 INFO L93 Difference]: Finished difference Result 9753 states and 16198 transitions. [2022-10-15 22:05:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:05:57,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 22:05:57,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:05:57,407 INFO L225 Difference]: With dead ends: 9753 [2022-10-15 22:05:57,407 INFO L226 Difference]: Without dead ends: 9750 [2022-10-15 22:05:57,414 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 [2022-10-15 22:05:57,415 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 199 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:05:57,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 376 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:05:57,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9750 states. [2022-10-15 22:05:58,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9750 to 9722. [2022-10-15 22:05:58,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9722 states, 9690 states have (on average 1.6530443756449948) internal successors, (16018), 9721 states have internal predecessors, (16018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:58,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9722 states to 9722 states and 16018 transitions. [2022-10-15 22:05:58,458 INFO L78 Accepts]: Start accepts. Automaton has 9722 states and 16018 transitions. Word has length 63 [2022-10-15 22:05:58,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:05:58,459 INFO L495 AbstractCegarLoop]: Abstraction has 9722 states and 16018 transitions. [2022-10-15 22:05:58,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:05:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 9722 states and 16018 transitions. [2022-10-15 22:05:58,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:05:58,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:05:58,461 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] [2022-10-15 22:05:58,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:05:58,462 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:05:58,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:05:58,462 INFO L85 PathProgramCache]: Analyzing trace with hash 213111419, now seen corresponding path program 1 times [2022-10-15 22:05:58,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:05:58,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748422188] [2022-10-15 22:05:58,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:05:58,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:05:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:05:58,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:05:58,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:05:58,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748422188] [2022-10-15 22:05:58,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748422188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:05:58,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:05:58,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:05:58,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584126006] [2022-10-15 22:05:58,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:05:58,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:05:58,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:05:58,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:05:58,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:05:58,581 INFO L87 Difference]: Start difference. First operand 9722 states and 16018 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:00,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:00,296 INFO L93 Difference]: Finished difference Result 27597 states and 45751 transitions. [2022-10-15 22:06:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:06:00,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-15 22:06:00,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:00,377 INFO L225 Difference]: With dead ends: 27597 [2022-10-15 22:06:00,377 INFO L226 Difference]: Without dead ends: 17957 [2022-10-15 22:06:00,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:06:00,410 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 565 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:00,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 782 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:06:00,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17957 states. [2022-10-15 22:06:02,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17957 to 15266. [2022-10-15 22:06:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15266 states, 15234 states have (on average 1.6511093606406722) internal successors, (25153), 15265 states have internal predecessors, (25153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15266 states to 15266 states and 25153 transitions. [2022-10-15 22:06:02,437 INFO L78 Accepts]: Start accepts. Automaton has 15266 states and 25153 transitions. Word has length 65 [2022-10-15 22:06:02,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:02,437 INFO L495 AbstractCegarLoop]: Abstraction has 15266 states and 25153 transitions. [2022-10-15 22:06:02,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 15266 states and 25153 transitions. [2022-10-15 22:06:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:06:02,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:02,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:02,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:06:02,444 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:06:02,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:02,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1983480347, now seen corresponding path program 1 times [2022-10-15 22:06:02,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:02,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553927344] [2022-10-15 22:06:02,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:02,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:02,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:02,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553927344] [2022-10-15 22:06:02,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553927344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:02,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:02,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:02,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431664542] [2022-10-15 22:06:02,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:02,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:02,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:02,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:02,578 INFO L87 Difference]: Start difference. First operand 15266 states and 25153 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:04,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:04,190 INFO L93 Difference]: Finished difference Result 19176 states and 31774 transitions. [2022-10-15 22:06:04,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:06:04,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 22:06:04,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:04,258 INFO L225 Difference]: With dead ends: 19176 [2022-10-15 22:06:04,258 INFO L226 Difference]: Without dead ends: 19175 [2022-10-15 22:06:04,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:06:04,271 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 559 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:04,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 476 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:04,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19175 states. [2022-10-15 22:06:06,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19175 to 19118. [2022-10-15 22:06:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19118 states, 19086 states have (on average 1.654249187886409) internal successors, (31573), 19117 states have internal predecessors, (31573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19118 states to 19118 states and 31573 transitions. [2022-10-15 22:06:06,163 INFO L78 Accepts]: Start accepts. Automaton has 19118 states and 31573 transitions. Word has length 66 [2022-10-15 22:06:06,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:06,164 INFO L495 AbstractCegarLoop]: Abstraction has 19118 states and 31573 transitions. [2022-10-15 22:06:06,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 19118 states and 31573 transitions. [2022-10-15 22:06:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:06:06,166 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:06,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:06,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:06:06,168 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:06:06,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:06,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1354886546, now seen corresponding path program 1 times [2022-10-15 22:06:06,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:06,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901322440] [2022-10-15 22:06:06,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:06,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:06,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:06,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901322440] [2022-10-15 22:06:06,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901322440] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:06,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:06,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:06:06,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858985130] [2022-10-15 22:06:06,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:06,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:06:06,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:06,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:06:06,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:06:06,332 INFO L87 Difference]: Start difference. First operand 19118 states and 31573 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:09,322 INFO L93 Difference]: Finished difference Result 48315 states and 79870 transitions. [2022-10-15 22:06:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:06:09,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:06:09,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:09,500 INFO L225 Difference]: With dead ends: 48315 [2022-10-15 22:06:09,500 INFO L226 Difference]: Without dead ends: 29279 [2022-10-15 22:06:09,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:06:09,572 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 1122 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:09,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 1561 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:06:09,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29279 states. [2022-10-15 22:06:12,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29279 to 25605. [2022-10-15 22:06:12,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25605 states, 25573 states have (on average 1.6488483947913815) internal successors, (42166), 25604 states have internal predecessors, (42166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25605 states to 25605 states and 42166 transitions. [2022-10-15 22:06:12,582 INFO L78 Accepts]: Start accepts. Automaton has 25605 states and 42166 transitions. Word has length 67 [2022-10-15 22:06:12,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:12,583 INFO L495 AbstractCegarLoop]: Abstraction has 25605 states and 42166 transitions. [2022-10-15 22:06:12,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 25605 states and 42166 transitions. [2022-10-15 22:06:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 22:06:12,584 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:12,585 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] [2022-10-15 22:06:12,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:06:12,585 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:06:12,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:12,587 INFO L85 PathProgramCache]: Analyzing trace with hash 840874247, now seen corresponding path program 1 times [2022-10-15 22:06:12,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:12,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049244667] [2022-10-15 22:06:12,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:12,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:12,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:12,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049244667] [2022-10-15 22:06:12,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049244667] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:12,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:12,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:12,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57367882] [2022-10-15 22:06:12,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:12,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:12,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:12,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:12,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:12,717 INFO L87 Difference]: Start difference. First operand 25605 states and 42166 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:16,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:16,221 INFO L93 Difference]: Finished difference Result 71567 states and 118413 transitions. [2022-10-15 22:06:16,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:06:16,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-15 22:06:16,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:16,398 INFO L225 Difference]: With dead ends: 71567 [2022-10-15 22:06:16,399 INFO L226 Difference]: Without dead ends: 46044 [2022-10-15 22:06:16,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:06:16,468 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 561 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:16,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 790 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:06:16,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46044 states. [2022-10-15 22:06:20,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46044 to 38859. [2022-10-15 22:06:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38859 states, 38827 states have (on average 1.6414350838334149) internal successors, (63732), 38858 states have internal predecessors, (63732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38859 states to 38859 states and 63732 transitions. [2022-10-15 22:06:20,481 INFO L78 Accepts]: Start accepts. Automaton has 38859 states and 63732 transitions. Word has length 68 [2022-10-15 22:06:20,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:20,481 INFO L495 AbstractCegarLoop]: Abstraction has 38859 states and 63732 transitions. [2022-10-15 22:06:20,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 38859 states and 63732 transitions. [2022-10-15 22:06:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-15 22:06:20,483 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:20,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:06:20,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:06:20,483 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:06:20,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:20,484 INFO L85 PathProgramCache]: Analyzing trace with hash 297298144, now seen corresponding path program 1 times [2022-10-15 22:06:20,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:20,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878172074] [2022-10-15 22:06:20,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:20,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:20,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:20,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878172074] [2022-10-15 22:06:20,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878172074] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:20,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:20,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:20,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97837876] [2022-10-15 22:06:20,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:20,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:20,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:20,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:20,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:20,576 INFO L87 Difference]: Start difference. First operand 38859 states and 63732 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:24,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:24,424 INFO L93 Difference]: Finished difference Result 50837 states and 83871 transitions. [2022-10-15 22:06:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:06:24,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-15 22:06:24,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:24,549 INFO L225 Difference]: With dead ends: 50837 [2022-10-15 22:06:24,549 INFO L226 Difference]: Without dead ends: 50836 [2022-10-15 22:06:24,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:06:24,571 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 549 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:24,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 479 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:24,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50836 states. [2022-10-15 22:06:28,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50836 to 50719. [2022-10-15 22:06:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50719 states, 50687 states have (on average 1.6431826701126522) internal successors, (83288), 50718 states have internal predecessors, (83288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50719 states to 50719 states and 83288 transitions. [2022-10-15 22:06:28,794 INFO L78 Accepts]: Start accepts. Automaton has 50719 states and 83288 transitions. Word has length 69 [2022-10-15 22:06:28,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:06:28,795 INFO L495 AbstractCegarLoop]: Abstraction has 50719 states and 83288 transitions. [2022-10-15 22:06:28,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand 50719 states and 83288 transitions. [2022-10-15 22:06:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 22:06:28,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:06:28,796 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] [2022-10-15 22:06:28,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:06:28,796 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2022-10-15 22:06:28,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:06:28,797 INFO L85 PathProgramCache]: Analyzing trace with hash -2059283934, now seen corresponding path program 1 times [2022-10-15 22:06:28,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:06:28,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835063524] [2022-10-15 22:06:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:06:28,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:06:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:06:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:06:28,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:06:28,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835063524] [2022-10-15 22:06:28,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835063524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:06:28,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:06:28,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:06:28,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814544656] [2022-10-15 22:06:28,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:06:28,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:06:28,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:06:28,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:06:28,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:06:28,926 INFO L87 Difference]: Start difference. First operand 50719 states and 83288 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:06:38,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:06:38,362 INFO L93 Difference]: Finished difference Result 154606 states and 255224 transitions. [2022-10-15 22:06:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:06:38,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-15 22:06:38,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:06:38,740 INFO L225 Difference]: With dead ends: 154606 [2022-10-15 22:06:38,741 INFO L226 Difference]: Without dead ends: 103969 [2022-10-15 22:06:38,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:06:38,837 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 557 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:06:38,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 812 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:06:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103969 states.