/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:22:08,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:22:08,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:22:08,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:22:08,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:22:08,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:22:08,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:22:08,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:22:08,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:22:08,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:22:08,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:22:08,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:22:08,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:22:08,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:22:08,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:22:08,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:22:08,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:22:08,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:22:08,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:22:08,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:22:08,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:22:08,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:22:08,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:22:08,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:22:08,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:22:08,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:22:08,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:22:08,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:22:08,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:22:08,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:22:08,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:22:08,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:22:08,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:22:08,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:22:08,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:22:08,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:22:08,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:22:08,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:22:08,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:22:08,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:22:08,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:22:08,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:22:08,308 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:22:08,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:22:08,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:22:08,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:22:08,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:22:08,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:22:08,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:22:08,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:22:08,315 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:22:08,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:22:08,316 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:22:08,316 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:22:08,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:22:08,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:22:08,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:22:08,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:22:08,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:22:08,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:22:08,318 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:22:08,318 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:22:08,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:22:08,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:22:08,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:22:08,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:22:08,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:22:08,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:22:08,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:22:08,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:22:08,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:22:08,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:22:08,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:22:08,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:22:08,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:22:08,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:22:08,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:22:08,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:22:08,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:22:08,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:22:08,756 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:22:08,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:22:08,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99d0d159/98bbba48fe284c3582b201760a20764a/FLAG1c196ea86 [2022-10-16 16:22:09,470 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:22:09,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:22:09,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99d0d159/98bbba48fe284c3582b201760a20764a/FLAG1c196ea86 [2022-10-16 16:22:09,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99d0d159/98bbba48fe284c3582b201760a20764a [2022-10-16 16:22:09,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:22:09,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:22:09,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:22:09,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:22:09,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:22:09,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38effaca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:09, skipping insertion in model container [2022-10-16 16:22:09,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:22:09" (1/1) ... [2022-10-16 16:22:09,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:22:09,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:22:10,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4940,4953] [2022-10-16 16:22:10,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:22:10,191 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:22:10,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4940,4953] [2022-10-16 16:22:10,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:22:10,272 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:22:10,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10 WrapperNode [2022-10-16 16:22:10,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:22:10,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:22:10,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:22:10,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:22:10,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,332 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 359 [2022-10-16 16:22:10,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:22:10,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:22:10,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:22:10,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:22:10,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:22:10,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:22:10,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:22:10,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:22:10,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (1/1) ... [2022-10-16 16:22:10,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:22:10,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:22:10,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:22:10,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:22:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:22:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:22:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:22:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:22:10,722 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:22:10,725 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:22:11,233 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:22:11,242 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:22:11,243 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:22:11,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:22:11 BoogieIcfgContainer [2022-10-16 16:22:11,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:22:11,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:22:11,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:22:11,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:22:11,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:22:09" (1/3) ... [2022-10-16 16:22:11,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e2a6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:22:11, skipping insertion in model container [2022-10-16 16:22:11,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:22:10" (2/3) ... [2022-10-16 16:22:11,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e2a6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:22:11, skipping insertion in model container [2022-10-16 16:22:11,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:22:11" (3/3) ... [2022-10-16 16:22:11,257 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:22:11,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:22:11,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 16:22:11,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:22:11,355 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;@6748d10c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:22:11,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 16:22:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 97 states have (on average 1.7731958762886597) internal successors, (172), 117 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 16:22:11,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:11,371 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] [2022-10-16 16:22:11,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:11,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:11,378 INFO L85 PathProgramCache]: Analyzing trace with hash -808079892, now seen corresponding path program 1 times [2022-10-16 16:22:11,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:11,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595498737] [2022-10-16 16:22:11,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:11,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:11,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595498737] [2022-10-16 16:22:11,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595498737] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:11,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:11,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:22:11,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049578551] [2022-10-16 16:22:11,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:11,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:22:11,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:11,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:22:11,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:22:11,724 INFO L87 Difference]: Start difference. First operand has 118 states, 97 states have (on average 1.7731958762886597) internal successors, (172), 117 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 30.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:11,752 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2022-10-16 16:22:11,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:22:11,755 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 30.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2022-10-16 16:22:11,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:11,767 INFO L225 Difference]: With dead ends: 121 [2022-10-16 16:22:11,767 INFO L226 Difference]: Without dead ends: 113 [2022-10-16 16:22:11,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:22:11,776 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:11,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:22:11,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-10-16 16:22:11,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-10-16 16:22:11,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 95 states have (on average 1.5052631578947369) internal successors, (143), 112 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 143 transitions. [2022-10-16 16:22:11,824 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 143 transitions. Word has length 30 [2022-10-16 16:22:11,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:11,824 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 143 transitions. [2022-10-16 16:22:11,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 30.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 143 transitions. [2022-10-16 16:22:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:22:11,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:11,827 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] [2022-10-16 16:22:11,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:22:11,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:11,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:11,829 INFO L85 PathProgramCache]: Analyzing trace with hash -922340777, now seen corresponding path program 1 times [2022-10-16 16:22:11,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:11,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806476270] [2022-10-16 16:22:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:11,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:12,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:12,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:12,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806476270] [2022-10-16 16:22:12,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806476270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:12,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:12,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:12,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345652134] [2022-10-16 16:22:12,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:12,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:12,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:12,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:12,112 INFO L87 Difference]: Start difference. First operand 113 states and 143 transitions. 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) [2022-10-16 16:22:12,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:12,174 INFO L93 Difference]: Finished difference Result 279 states and 364 transitions. [2022-10-16 16:22:12,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:12,175 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 [2022-10-16 16:22:12,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:12,179 INFO L225 Difference]: With dead ends: 279 [2022-10-16 16:22:12,179 INFO L226 Difference]: Without dead ends: 192 [2022-10-16 16:22:12,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:12,182 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 102 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 339 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 [2022-10-16 16:22:12,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 339 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:22:12,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-10-16 16:22:12,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 174. [2022-10-16 16:22:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 156 states have (on average 1.5769230769230769) internal successors, (246), 173 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 246 transitions. [2022-10-16 16:22:12,246 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 246 transitions. Word has length 45 [2022-10-16 16:22:12,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:12,250 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 246 transitions. [2022-10-16 16:22:12,250 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) [2022-10-16 16:22:12,251 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 246 transitions. [2022-10-16 16:22:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 16:22:12,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:12,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:12,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:22:12,253 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:12,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:12,254 INFO L85 PathProgramCache]: Analyzing trace with hash -874738371, now seen corresponding path program 1 times [2022-10-16 16:22:12,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:12,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785688520] [2022-10-16 16:22:12,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:12,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:12,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:12,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785688520] [2022-10-16 16:22:12,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785688520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:12,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:12,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:12,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752374958] [2022-10-16 16:22:12,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:12,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:12,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:12,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:12,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:12,401 INFO L87 Difference]: Start difference. First operand 174 states and 246 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:12,465 INFO L93 Difference]: Finished difference Result 454 states and 660 transitions. [2022-10-16 16:22:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:12,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-10-16 16:22:12,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:12,470 INFO L225 Difference]: With dead ends: 454 [2022-10-16 16:22:12,470 INFO L226 Difference]: Without dead ends: 306 [2022-10-16 16:22:12,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:12,473 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 97 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 335 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 [2022-10-16 16:22:12,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 335 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:22:12,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-10-16 16:22:12,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2022-10-16 16:22:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 270 states have (on average 1.6222222222222222) internal successors, (438), 287 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 438 transitions. [2022-10-16 16:22:12,524 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 438 transitions. Word has length 46 [2022-10-16 16:22:12,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:12,525 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 438 transitions. [2022-10-16 16:22:12,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 438 transitions. [2022-10-16 16:22:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:22:12,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:12,528 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] [2022-10-16 16:22:12,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:22:12,528 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:12,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:12,529 INFO L85 PathProgramCache]: Analyzing trace with hash -636039925, now seen corresponding path program 1 times [2022-10-16 16:22:12,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:12,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547318676] [2022-10-16 16:22:12,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:12,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:12,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:12,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547318676] [2022-10-16 16:22:12,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547318676] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:12,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:12,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:12,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287682853] [2022-10-16 16:22:12,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:12,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:12,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:12,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:12,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:12,723 INFO L87 Difference]: Start difference. First operand 288 states and 438 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:12,839 INFO L93 Difference]: Finished difference Result 780 states and 1210 transitions. [2022-10-16 16:22:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:12,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 16:22:12,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:12,849 INFO L225 Difference]: With dead ends: 780 [2022-10-16 16:22:12,850 INFO L226 Difference]: Without dead ends: 518 [2022-10-16 16:22:12,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:12,864 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 92 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 331 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 [2022-10-16 16:22:12,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 331 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:22:12,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-10-16 16:22:12,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 500. [2022-10-16 16:22:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 482 states have (on average 1.6473029045643153) internal successors, (794), 499 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 794 transitions. [2022-10-16 16:22:12,944 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 794 transitions. Word has length 47 [2022-10-16 16:22:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:12,945 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 794 transitions. [2022-10-16 16:22:12,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 794 transitions. [2022-10-16 16:22:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 16:22:12,947 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:12,947 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] [2022-10-16 16:22:12,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:22:12,948 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:12,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:12,949 INFO L85 PathProgramCache]: Analyzing trace with hash 56916463, now seen corresponding path program 1 times [2022-10-16 16:22:12,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:12,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543632661] [2022-10-16 16:22:12,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:12,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:13,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:13,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543632661] [2022-10-16 16:22:13,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543632661] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:13,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:13,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:13,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450215523] [2022-10-16 16:22:13,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:13,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:13,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:13,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:13,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:13,138 INFO L87 Difference]: Start difference. First operand 500 states and 794 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 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) [2022-10-16 16:22:13,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:13,424 INFO L93 Difference]: Finished difference Result 1445 states and 2330 transitions. [2022-10-16 16:22:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:13,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 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 [2022-10-16 16:22:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:13,435 INFO L225 Difference]: With dead ends: 1445 [2022-10-16 16:22:13,435 INFO L226 Difference]: Without dead ends: 1442 [2022-10-16 16:22:13,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:13,437 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 338 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:13,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 314 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:22:13,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2022-10-16 16:22:13,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 956. [2022-10-16 16:22:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 938 states have (on average 1.6396588486140724) internal successors, (1538), 955 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1538 transitions. [2022-10-16 16:22:13,535 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1538 transitions. Word has length 48 [2022-10-16 16:22:13,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:13,536 INFO L495 AbstractCegarLoop]: Abstraction has 956 states and 1538 transitions. [2022-10-16 16:22:13,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 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) [2022-10-16 16:22:13,537 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1538 transitions. [2022-10-16 16:22:13,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:22:13,538 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:13,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:13,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:22:13,539 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:13,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1764410523, now seen corresponding path program 1 times [2022-10-16 16:22:13,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:13,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902579788] [2022-10-16 16:22:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:13,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:13,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:13,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902579788] [2022-10-16 16:22:13,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902579788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:13,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:13,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:13,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321712116] [2022-10-16 16:22:13,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:13,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:13,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:13,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:13,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:13,680 INFO L87 Difference]: Start difference. First operand 956 states and 1538 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:13,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:13,909 INFO L93 Difference]: Finished difference Result 1427 states and 2306 transitions. [2022-10-16 16:22:13,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 16:22:13,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:13,918 INFO L225 Difference]: With dead ends: 1427 [2022-10-16 16:22:13,918 INFO L226 Difference]: Without dead ends: 1424 [2022-10-16 16:22:13,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:13,920 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 331 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:13,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 181 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:13,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2022-10-16 16:22:14,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1412. [2022-10-16 16:22:14,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1394 states have (on average 1.6197991391678623) internal successors, (2258), 1411 states have internal predecessors, (2258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 2258 transitions. [2022-10-16 16:22:14,077 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 2258 transitions. Word has length 49 [2022-10-16 16:22:14,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:14,078 INFO L495 AbstractCegarLoop]: Abstraction has 1412 states and 2258 transitions. [2022-10-16 16:22:14,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 2258 transitions. [2022-10-16 16:22:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:22:14,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:14,084 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] [2022-10-16 16:22:14,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:22:14,085 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:14,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:14,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1137848463, now seen corresponding path program 1 times [2022-10-16 16:22:14,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:14,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720201749] [2022-10-16 16:22:14,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:14,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:14,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:14,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720201749] [2022-10-16 16:22:14,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720201749] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:14,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:14,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:14,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162912245] [2022-10-16 16:22:14,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:14,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:14,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:14,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:14,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:14,279 INFO L87 Difference]: Start difference. First operand 1412 states and 2258 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 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) [2022-10-16 16:22:14,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:14,757 INFO L93 Difference]: Finished difference Result 2360 states and 3722 transitions. [2022-10-16 16:22:14,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:22:14,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 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 [2022-10-16 16:22:14,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:14,772 INFO L225 Difference]: With dead ends: 2360 [2022-10-16 16:22:14,772 INFO L226 Difference]: Without dead ends: 2357 [2022-10-16 16:22:14,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:22:14,774 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 556 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:14,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 522 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:22:14,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2357 states. [2022-10-16 16:22:14,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2357 to 1868. [2022-10-16 16:22:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1850 states have (on average 1.5967567567567567) internal successors, (2954), 1867 states have internal predecessors, (2954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2954 transitions. [2022-10-16 16:22:14,998 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2954 transitions. Word has length 50 [2022-10-16 16:22:15,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:15,000 INFO L495 AbstractCegarLoop]: Abstraction has 1868 states and 2954 transitions. [2022-10-16 16:22:15,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 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) [2022-10-16 16:22:15,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2954 transitions. [2022-10-16 16:22:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:22:15,003 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:15,004 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] [2022-10-16 16:22:15,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:22:15,005 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:15,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:15,007 INFO L85 PathProgramCache]: Analyzing trace with hash -913563811, now seen corresponding path program 1 times [2022-10-16 16:22:15,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:15,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55937830] [2022-10-16 16:22:15,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:15,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:15,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:15,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55937830] [2022-10-16 16:22:15,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55937830] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:15,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:15,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:15,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53350043] [2022-10-16 16:22:15,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:15,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:15,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:15,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:15,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:15,181 INFO L87 Difference]: Start difference. First operand 1868 states and 2954 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:15,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:15,573 INFO L93 Difference]: Finished difference Result 2348 states and 3698 transitions. [2022-10-16 16:22:15,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:15,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2022-10-16 16:22:15,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:15,587 INFO L225 Difference]: With dead ends: 2348 [2022-10-16 16:22:15,588 INFO L226 Difference]: Without dead ends: 2345 [2022-10-16 16:22:15,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:22:15,593 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 562 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:15,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 317 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:22:15,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2345 states. [2022-10-16 16:22:15,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2345 to 2324. [2022-10-16 16:22:15,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 2306 states have (on average 1.5724197745013009) internal successors, (3626), 2323 states have internal predecessors, (3626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 3626 transitions. [2022-10-16 16:22:15,883 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 3626 transitions. Word has length 51 [2022-10-16 16:22:15,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:15,884 INFO L495 AbstractCegarLoop]: Abstraction has 2324 states and 3626 transitions. [2022-10-16 16:22:15,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3626 transitions. [2022-10-16 16:22:15,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:22:15,885 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:15,886 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] [2022-10-16 16:22:15,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:22:15,893 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:15,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:15,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1744293107, now seen corresponding path program 1 times [2022-10-16 16:22:15,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:15,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918705753] [2022-10-16 16:22:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:16,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:16,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918705753] [2022-10-16 16:22:16,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918705753] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:16,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:16,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:16,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645050661] [2022-10-16 16:22:16,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:16,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:16,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:16,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:16,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:16,054 INFO L87 Difference]: Start difference. First operand 2324 states and 3626 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:17,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:17,158 INFO L93 Difference]: Finished difference Result 8780 states and 13754 transitions. [2022-10-16 16:22:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:22:17,159 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 16:22:17,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:17,193 INFO L225 Difference]: With dead ends: 8780 [2022-10-16 16:22:17,193 INFO L226 Difference]: Without dead ends: 6482 [2022-10-16 16:22:17,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:22:17,203 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 821 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:17,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 1227 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:22:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6482 states. [2022-10-16 16:22:17,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6482 to 4604. [2022-10-16 16:22:17,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4604 states, 4586 states have (on average 1.5320540776275622) internal successors, (7026), 4603 states have internal predecessors, (7026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4604 states to 4604 states and 7026 transitions. [2022-10-16 16:22:17,770 INFO L78 Accepts]: Start accepts. Automaton has 4604 states and 7026 transitions. Word has length 52 [2022-10-16 16:22:17,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:17,770 INFO L495 AbstractCegarLoop]: Abstraction has 4604 states and 7026 transitions. [2022-10-16 16:22:17,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 4604 states and 7026 transitions. [2022-10-16 16:22:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:22:17,771 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:17,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:17,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:22:17,772 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:17,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:17,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1781041870, now seen corresponding path program 1 times [2022-10-16 16:22:17,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:17,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536447077] [2022-10-16 16:22:17,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:17,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:17,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:17,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536447077] [2022-10-16 16:22:17,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536447077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:17,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:17,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:17,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424690256] [2022-10-16 16:22:17,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:17,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:17,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:17,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:17,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:17,853 INFO L87 Difference]: Start difference. First operand 4604 states and 7026 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:18,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:18,649 INFO L93 Difference]: Finished difference Result 12880 states and 19666 transitions. [2022-10-16 16:22:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:18,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-10-16 16:22:18,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:18,694 INFO L225 Difference]: With dead ends: 12880 [2022-10-16 16:22:18,695 INFO L226 Difference]: Without dead ends: 8302 [2022-10-16 16:22:18,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:18,703 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 103 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 348 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 [2022-10-16 16:22:18,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 348 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:22:18,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8302 states. [2022-10-16 16:22:19,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8302 to 8284. [2022-10-16 16:22:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8284 states, 8266 states have (on average 1.522622792160658) internal successors, (12586), 8283 states have internal predecessors, (12586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8284 states to 8284 states and 12586 transitions. [2022-10-16 16:22:19,487 INFO L78 Accepts]: Start accepts. Automaton has 8284 states and 12586 transitions. Word has length 52 [2022-10-16 16:22:19,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:19,487 INFO L495 AbstractCegarLoop]: Abstraction has 8284 states and 12586 transitions. [2022-10-16 16:22:19,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 8284 states and 12586 transitions. [2022-10-16 16:22:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:22:19,488 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:19,488 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] [2022-10-16 16:22:19,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:22:19,489 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:19,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1761488353, now seen corresponding path program 1 times [2022-10-16 16:22:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:19,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173535742] [2022-10-16 16:22:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:19,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:19,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:19,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173535742] [2022-10-16 16:22:19,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173535742] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:19,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:19,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:19,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69858964] [2022-10-16 16:22:19,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:19,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:19,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:19,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:19,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:19,662 INFO L87 Difference]: Start difference. First operand 8284 states and 12586 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 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) [2022-10-16 16:22:20,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:20,970 INFO L93 Difference]: Finished difference Result 11625 states and 17866 transitions. [2022-10-16 16:22:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:22:20,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 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 [2022-10-16 16:22:20,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:21,019 INFO L225 Difference]: With dead ends: 11625 [2022-10-16 16:22:21,019 INFO L226 Difference]: Without dead ends: 11622 [2022-10-16 16:22:21,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:22:21,026 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 1057 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:21,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 535 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:22:21,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11622 states. [2022-10-16 16:22:21,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11622 to 11580. [2022-10-16 16:22:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11580 states, 11562 states have (on average 1.503719079743989) internal successors, (17386), 11579 states have internal predecessors, (17386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11580 states to 11580 states and 17386 transitions. [2022-10-16 16:22:21,894 INFO L78 Accepts]: Start accepts. Automaton has 11580 states and 17386 transitions. Word has length 53 [2022-10-16 16:22:21,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:21,894 INFO L495 AbstractCegarLoop]: Abstraction has 11580 states and 17386 transitions. [2022-10-16 16:22:21,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 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) [2022-10-16 16:22:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 11580 states and 17386 transitions. [2022-10-16 16:22:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:22:21,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:21,897 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:21,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:22:21,897 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:21,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:21,898 INFO L85 PathProgramCache]: Analyzing trace with hash 338883996, now seen corresponding path program 1 times [2022-10-16 16:22:21,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:21,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237623781] [2022-10-16 16:22:21,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:21,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:22,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:22,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237623781] [2022-10-16 16:22:22,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237623781] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:22,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:22,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:22,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037107758] [2022-10-16 16:22:22,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:22,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:22:22,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:22,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:22:22,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:22,025 INFO L87 Difference]: Start difference. First operand 11580 states and 17386 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:23,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:23,184 INFO L93 Difference]: Finished difference Result 27138 states and 40596 transitions. [2022-10-16 16:22:23,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:22:23,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-16 16:22:23,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:23,237 INFO L225 Difference]: With dead ends: 27138 [2022-10-16 16:22:23,237 INFO L226 Difference]: Without dead ends: 15584 [2022-10-16 16:22:23,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:22:23,260 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 62 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 249 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 [2022-10-16 16:22:23,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 249 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:22:23,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15584 states. [2022-10-16 16:22:24,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15584 to 15398. [2022-10-16 16:22:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15398 states, 15380 states have (on average 1.4858257477243173) internal successors, (22852), 15397 states have internal predecessors, (22852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:24,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15398 states to 15398 states and 22852 transitions. [2022-10-16 16:22:24,464 INFO L78 Accepts]: Start accepts. Automaton has 15398 states and 22852 transitions. Word has length 79 [2022-10-16 16:22:24,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:24,465 INFO L495 AbstractCegarLoop]: Abstraction has 15398 states and 22852 transitions. [2022-10-16 16:22:24,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:24,465 INFO L276 IsEmpty]: Start isEmpty. Operand 15398 states and 22852 transitions. [2022-10-16 16:22:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:22:24,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:24,467 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:24,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:22:24,468 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:24,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:24,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1704011467, now seen corresponding path program 1 times [2022-10-16 16:22:24,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:24,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106213910] [2022-10-16 16:22:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:24,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:22:24,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:24,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106213910] [2022-10-16 16:22:24,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106213910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:24,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:24,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:22:24,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003081856] [2022-10-16 16:22:24,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:24,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:24,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:24,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:24,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:24,747 INFO L87 Difference]: Start difference. First operand 15398 states and 22852 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:26,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:26,182 INFO L93 Difference]: Finished difference Result 30780 states and 45676 transitions. [2022-10-16 16:22:26,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:26,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-16 16:22:26,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:26,222 INFO L225 Difference]: With dead ends: 30780 [2022-10-16 16:22:26,222 INFO L226 Difference]: Without dead ends: 15410 [2022-10-16 16:22:26,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:22:26,247 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 285 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:26,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 354 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:22:26,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15410 states. [2022-10-16 16:22:27,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15410 to 15398. [2022-10-16 16:22:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15398 states, 15380 states have (on average 1.4785435630689208) internal successors, (22740), 15397 states have internal predecessors, (22740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15398 states to 15398 states and 22740 transitions. [2022-10-16 16:22:27,793 INFO L78 Accepts]: Start accepts. Automaton has 15398 states and 22740 transitions. Word has length 85 [2022-10-16 16:22:27,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:27,793 INFO L495 AbstractCegarLoop]: Abstraction has 15398 states and 22740 transitions. [2022-10-16 16:22:27,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 15398 states and 22740 transitions. [2022-10-16 16:22:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:22:27,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:27,796 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:27,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:22:27,796 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:27,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1125870105, now seen corresponding path program 1 times [2022-10-16 16:22:27,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:27,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123899430] [2022-10-16 16:22:27,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:27,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:22:27,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:27,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123899430] [2022-10-16 16:22:27,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123899430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:27,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:27,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:27,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986578951] [2022-10-16 16:22:27,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:27,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:27,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:27,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:27,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:27,957 INFO L87 Difference]: Start difference. First operand 15398 states and 22740 transitions. Second operand has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:29,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:29,440 INFO L93 Difference]: Finished difference Result 20366 states and 30276 transitions. [2022-10-16 16:22:29,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:29,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:22:29,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:29,485 INFO L225 Difference]: With dead ends: 20366 [2022-10-16 16:22:29,485 INFO L226 Difference]: Without dead ends: 20363 [2022-10-16 16:22:29,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:29,493 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 180 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:29,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 350 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:29,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20363 states. [2022-10-16 16:22:30,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20363 to 16830. [2022-10-16 16:22:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16830 states, 16812 states have (on average 1.4801332381632168) internal successors, (24884), 16829 states have internal predecessors, (24884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:30,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16830 states to 16830 states and 24884 transitions. [2022-10-16 16:22:30,848 INFO L78 Accepts]: Start accepts. Automaton has 16830 states and 24884 transitions. Word has length 86 [2022-10-16 16:22:30,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:30,848 INFO L495 AbstractCegarLoop]: Abstraction has 16830 states and 24884 transitions. [2022-10-16 16:22:30,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.666666666666668) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:30,849 INFO L276 IsEmpty]: Start isEmpty. Operand 16830 states and 24884 transitions. [2022-10-16 16:22:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:22:30,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:30,851 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:30,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:22:30,852 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:30,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:30,852 INFO L85 PathProgramCache]: Analyzing trace with hash -370582245, now seen corresponding path program 1 times [2022-10-16 16:22:30,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:30,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190673296] [2022-10-16 16:22:30,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:30,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:22:31,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:31,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190673296] [2022-10-16 16:22:31,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190673296] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:31,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:31,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:31,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606836240] [2022-10-16 16:22:31,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:31,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:31,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:31,004 INFO L87 Difference]: Start difference. First operand 16830 states and 24884 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:32,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:33,000 INFO L93 Difference]: Finished difference Result 20369 states and 30084 transitions. [2022-10-16 16:22:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:33,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:22:33,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:33,040 INFO L225 Difference]: With dead ends: 20369 [2022-10-16 16:22:33,041 INFO L226 Difference]: Without dead ends: 20366 [2022-10-16 16:22:33,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:33,052 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 395 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:33,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 455 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:33,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20366 states. [2022-10-16 16:22:34,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20366 to 20342. [2022-10-16 16:22:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20342 states, 20324 states have (on average 1.4707734697894115) internal successors, (29892), 20341 states have internal predecessors, (29892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20342 states to 20342 states and 29892 transitions. [2022-10-16 16:22:34,761 INFO L78 Accepts]: Start accepts. Automaton has 20342 states and 29892 transitions. Word has length 88 [2022-10-16 16:22:34,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:34,762 INFO L495 AbstractCegarLoop]: Abstraction has 20342 states and 29892 transitions. [2022-10-16 16:22:34,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 20342 states and 29892 transitions. [2022-10-16 16:22:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:22:34,764 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:34,764 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:34,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:22:34,765 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:34,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:34,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1574911829, now seen corresponding path program 1 times [2022-10-16 16:22:34,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:34,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143561888] [2022-10-16 16:22:34,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:34,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:34,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:22:34,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:34,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143561888] [2022-10-16 16:22:34,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143561888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:34,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:34,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:34,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745994448] [2022-10-16 16:22:34,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:34,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:34,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:34,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:34,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:34,917 INFO L87 Difference]: Start difference. First operand 20342 states and 29892 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:37,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:37,010 INFO L93 Difference]: Finished difference Result 23878 states and 34900 transitions. [2022-10-16 16:22:37,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:22:37,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:22:37,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:37,041 INFO L225 Difference]: With dead ends: 23878 [2022-10-16 16:22:37,041 INFO L226 Difference]: Without dead ends: 23875 [2022-10-16 16:22:37,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:37,047 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 381 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:37,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 440 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:22:37,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23875 states. [2022-10-16 16:22:38,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23875 to 23854. [2022-10-16 16:22:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23854 states, 23836 states have (on average 1.45611679812049) internal successors, (34708), 23853 states have internal predecessors, (34708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:38,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23854 states to 23854 states and 34708 transitions. [2022-10-16 16:22:38,819 INFO L78 Accepts]: Start accepts. Automaton has 23854 states and 34708 transitions. Word has length 88 [2022-10-16 16:22:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:38,819 INFO L495 AbstractCegarLoop]: Abstraction has 23854 states and 34708 transitions. [2022-10-16 16:22:38,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:38,820 INFO L276 IsEmpty]: Start isEmpty. Operand 23854 states and 34708 transitions. [2022-10-16 16:22:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:22:38,821 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:38,822 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:38,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:22:38,822 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:38,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:38,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1368587913, now seen corresponding path program 1 times [2022-10-16 16:22:38,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:38,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407387722] [2022-10-16 16:22:38,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:38,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:22:38,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:38,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407387722] [2022-10-16 16:22:38,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407387722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:38,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:38,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:38,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043475966] [2022-10-16 16:22:38,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:38,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:38,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:38,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:38,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:38,957 INFO L87 Difference]: Start difference. First operand 23854 states and 34708 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:40,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:40,891 INFO L93 Difference]: Finished difference Result 26350 states and 38692 transitions. [2022-10-16 16:22:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:40,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:22:40,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:40,931 INFO L225 Difference]: With dead ends: 26350 [2022-10-16 16:22:40,932 INFO L226 Difference]: Without dead ends: 26347 [2022-10-16 16:22:40,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:40,941 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 157 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:40,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 370 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26347 states. [2022-10-16 16:22:42,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26347 to 26326. [2022-10-16 16:22:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26326 states, 26308 states have (on average 1.4652577162840201) internal successors, (38548), 26325 states have internal predecessors, (38548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26326 states to 26326 states and 38548 transitions. [2022-10-16 16:22:42,947 INFO L78 Accepts]: Start accepts. Automaton has 26326 states and 38548 transitions. Word has length 88 [2022-10-16 16:22:42,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:42,947 INFO L495 AbstractCegarLoop]: Abstraction has 26326 states and 38548 transitions. [2022-10-16 16:22:42,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 26326 states and 38548 transitions. [2022-10-16 16:22:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:22:42,949 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:42,949 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:42,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:22:42,950 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:42,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:42,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1396852467, now seen corresponding path program 1 times [2022-10-16 16:22:42,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:42,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431989821] [2022-10-16 16:22:42,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:42,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:22:43,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:43,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431989821] [2022-10-16 16:22:43,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431989821] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:43,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:43,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:43,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200891737] [2022-10-16 16:22:43,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:43,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:43,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:43,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:43,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:43,099 INFO L87 Difference]: Start difference. First operand 26326 states and 38548 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:45,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:45,603 INFO L93 Difference]: Finished difference Result 36247 states and 53908 transitions. [2022-10-16 16:22:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:45,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 16:22:45,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:45,654 INFO L225 Difference]: With dead ends: 36247 [2022-10-16 16:22:45,655 INFO L226 Difference]: Without dead ends: 36244 [2022-10-16 16:22:45,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:22:45,663 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 414 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:45,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 352 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:45,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36244 states. [2022-10-16 16:22:48,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36244 to 33742. [2022-10-16 16:22:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33742 states, 33724 states have (on average 1.4732534693393429) internal successors, (49684), 33741 states have internal predecessors, (49684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33742 states to 33742 states and 49684 transitions. [2022-10-16 16:22:48,302 INFO L78 Accepts]: Start accepts. Automaton has 33742 states and 49684 transitions. Word has length 89 [2022-10-16 16:22:48,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:48,302 INFO L495 AbstractCegarLoop]: Abstraction has 33742 states and 49684 transitions. [2022-10-16 16:22:48,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 33742 states and 49684 transitions. [2022-10-16 16:22:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:22:48,304 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:48,304 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:48,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:22:48,305 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:48,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -523447487, now seen corresponding path program 1 times [2022-10-16 16:22:48,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:48,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070472512] [2022-10-16 16:22:48,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:48,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:22:48,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:48,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070472512] [2022-10-16 16:22:48,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070472512] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:48,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:48,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:22:48,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500333555] [2022-10-16 16:22:48,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:48,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:22:48,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:48,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:22:48,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:48,430 INFO L87 Difference]: Start difference. First operand 33742 states and 49684 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:50,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:50,866 INFO L93 Difference]: Finished difference Result 33751 states and 49684 transitions. [2022-10-16 16:22:50,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:22:50,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 16:22:50,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:50,919 INFO L225 Difference]: With dead ends: 33751 [2022-10-16 16:22:50,919 INFO L226 Difference]: Without dead ends: 33748 [2022-10-16 16:22:50,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:22:50,930 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 159 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:50,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 277 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:22:50,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33748 states. [2022-10-16 16:22:53,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33748 to 33739. [2022-10-16 16:22:53,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33739 states, 33724 states have (on average 1.456173644881983) internal successors, (49108), 33738 states have internal predecessors, (49108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:53,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33739 states to 33739 states and 49108 transitions. [2022-10-16 16:22:53,788 INFO L78 Accepts]: Start accepts. Automaton has 33739 states and 49108 transitions. Word has length 89 [2022-10-16 16:22:53,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:53,788 INFO L495 AbstractCegarLoop]: Abstraction has 33739 states and 49108 transitions. [2022-10-16 16:22:53,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 33739 states and 49108 transitions. [2022-10-16 16:22:53,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:22:53,791 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:53,791 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:53,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:22:53,792 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:53,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:53,792 INFO L85 PathProgramCache]: Analyzing trace with hash -582751277, now seen corresponding path program 1 times [2022-10-16 16:22:53,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:53,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628255015] [2022-10-16 16:22:53,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:53,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:22:53,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:53,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628255015] [2022-10-16 16:22:53,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628255015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:53,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:53,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:22:53,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495279313] [2022-10-16 16:22:53,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:53,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:22:53,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:53,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:22:53,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:53,943 INFO L87 Difference]: Start difference. First operand 33739 states and 49108 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:57,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:22:57,047 INFO L93 Difference]: Finished difference Result 37275 states and 54116 transitions. [2022-10-16 16:22:57,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:22:57,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:22:57,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:22:57,102 INFO L225 Difference]: With dead ends: 37275 [2022-10-16 16:22:57,102 INFO L226 Difference]: Without dead ends: 37272 [2022-10-16 16:22:57,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:22:57,111 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 257 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:22:57,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 502 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:22:57,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37272 states. [2022-10-16 16:22:59,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37272 to 33739. [2022-10-16 16:22:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33739 states, 33724 states have (on average 1.4504803700628632) internal successors, (48916), 33738 states have internal predecessors, (48916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33739 states to 33739 states and 48916 transitions. [2022-10-16 16:22:59,794 INFO L78 Accepts]: Start accepts. Automaton has 33739 states and 48916 transitions. Word has length 90 [2022-10-16 16:22:59,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:22:59,794 INFO L495 AbstractCegarLoop]: Abstraction has 33739 states and 48916 transitions. [2022-10-16 16:22:59,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:22:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 33739 states and 48916 transitions. [2022-10-16 16:22:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:22:59,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:22:59,796 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:22:59,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:22:59,797 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:22:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:22:59,797 INFO L85 PathProgramCache]: Analyzing trace with hash 352753693, now seen corresponding path program 1 times [2022-10-16 16:22:59,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:22:59,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620226304] [2022-10-16 16:22:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:22:59,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:22:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:22:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:22:59,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:22:59,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620226304] [2022-10-16 16:22:59,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620226304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:22:59,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:22:59,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:22:59,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271711640] [2022-10-16 16:22:59,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:22:59,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:22:59,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:22:59,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:22:59,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:22:59,960 INFO L87 Difference]: Start difference. First operand 33739 states and 48916 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:03,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:03,324 INFO L93 Difference]: Finished difference Result 61012 states and 88124 transitions. [2022-10-16 16:23:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:03,325 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:23:03,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:03,384 INFO L225 Difference]: With dead ends: 61012 [2022-10-16 16:23:03,384 INFO L226 Difference]: Without dead ends: 41613 [2022-10-16 16:23:03,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:03,418 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 577 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:03,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 637 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:23:03,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41613 states. [2022-10-16 16:23:06,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41613 to 38083. [2022-10-16 16:23:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38083 states, 38068 states have (on average 1.434590732373647) internal successors, (54612), 38082 states have internal predecessors, (54612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38083 states to 38083 states and 54612 transitions. [2022-10-16 16:23:06,744 INFO L78 Accepts]: Start accepts. Automaton has 38083 states and 54612 transitions. Word has length 90 [2022-10-16 16:23:06,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:06,744 INFO L495 AbstractCegarLoop]: Abstraction has 38083 states and 54612 transitions. [2022-10-16 16:23:06,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 38083 states and 54612 transitions. [2022-10-16 16:23:06,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:23:06,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:06,747 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:06,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:23:06,748 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:23:06,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:06,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1661785047, now seen corresponding path program 1 times [2022-10-16 16:23:06,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:06,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984224030] [2022-10-16 16:23:06,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:06,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:23:06,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:06,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984224030] [2022-10-16 16:23:06,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984224030] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:06,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:06,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:06,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473788938] [2022-10-16 16:23:06,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:06,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:06,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:06,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:06,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:06,899 INFO L87 Difference]: Start difference. First operand 38083 states and 54612 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:10,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:10,849 INFO L93 Difference]: Finished difference Result 72636 states and 104716 transitions. [2022-10-16 16:23:10,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:10,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:23:10,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:10,907 INFO L225 Difference]: With dead ends: 72636 [2022-10-16 16:23:10,907 INFO L226 Difference]: Without dead ends: 41269 [2022-10-16 16:23:10,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:10,934 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 605 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:10,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [605 Valid, 584 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:23:10,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41269 states. [2022-10-16 16:23:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41269 to 41251. [2022-10-16 16:23:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41251 states, 41236 states have (on average 1.4260355029585798) internal successors, (58804), 41250 states have internal predecessors, (58804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41251 states to 41251 states and 58804 transitions. [2022-10-16 16:23:14,397 INFO L78 Accepts]: Start accepts. Automaton has 41251 states and 58804 transitions. Word has length 90 [2022-10-16 16:23:14,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:14,398 INFO L495 AbstractCegarLoop]: Abstraction has 41251 states and 58804 transitions. [2022-10-16 16:23:14,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 41251 states and 58804 transitions. [2022-10-16 16:23:14,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:23:14,400 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:14,400 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:14,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:23:14,401 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:23:14,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:14,401 INFO L85 PathProgramCache]: Analyzing trace with hash 208082961, now seen corresponding path program 1 times [2022-10-16 16:23:14,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:14,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788886076] [2022-10-16 16:23:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:14,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-16 16:23:14,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:14,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788886076] [2022-10-16 16:23:14,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788886076] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:14,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:14,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:14,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211818008] [2022-10-16 16:23:14,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:14,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:14,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:14,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:14,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:14,618 INFO L87 Difference]: Start difference. First operand 41251 states and 58804 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:18,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:18,300 INFO L93 Difference]: Finished difference Result 74977 states and 107692 transitions. [2022-10-16 16:23:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:23:18,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:23:18,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:18,362 INFO L225 Difference]: With dead ends: 74977 [2022-10-16 16:23:18,362 INFO L226 Difference]: Without dead ends: 41266 [2022-10-16 16:23:18,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:18,394 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 569 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:18,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 615 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:23:18,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41266 states. [2022-10-16 16:23:21,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41266 to 41251. [2022-10-16 16:23:21,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41251 states, 41236 states have (on average 1.4239014453390242) internal successors, (58716), 41250 states have internal predecessors, (58716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41251 states to 41251 states and 58716 transitions. [2022-10-16 16:23:21,948 INFO L78 Accepts]: Start accepts. Automaton has 41251 states and 58716 transitions. Word has length 90 [2022-10-16 16:23:21,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:21,949 INFO L495 AbstractCegarLoop]: Abstraction has 41251 states and 58716 transitions. [2022-10-16 16:23:21,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 41251 states and 58716 transitions. [2022-10-16 16:23:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:23:21,951 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:21,951 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:21,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:23:21,952 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:23:21,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:21,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1258378887, now seen corresponding path program 1 times [2022-10-16 16:23:21,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:21,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912993635] [2022-10-16 16:23:21,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:21,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:23:22,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:22,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912993635] [2022-10-16 16:23:22,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912993635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:22,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:22,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:23:22,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099755985] [2022-10-16 16:23:22,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:22,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:23:22,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:22,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:23:22,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:22,224 INFO L87 Difference]: Start difference. First operand 41251 states and 58716 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:26,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:26,006 INFO L93 Difference]: Finished difference Result 46219 states and 66396 transitions. [2022-10-16 16:23:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:23:26,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 90 [2022-10-16 16:23:26,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:26,070 INFO L225 Difference]: With dead ends: 46219 [2022-10-16 16:23:26,070 INFO L226 Difference]: Without dead ends: 46216 [2022-10-16 16:23:26,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:23:26,082 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 207 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:26,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 449 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:23:26,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46216 states. [2022-10-16 16:23:29,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46216 to 41251. [2022-10-16 16:23:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41251 states, 41236 states have (on average 1.413425162479387) internal successors, (58284), 41250 states have internal predecessors, (58284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41251 states to 41251 states and 58284 transitions. [2022-10-16 16:23:29,540 INFO L78 Accepts]: Start accepts. Automaton has 41251 states and 58284 transitions. Word has length 90 [2022-10-16 16:23:29,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:29,541 INFO L495 AbstractCegarLoop]: Abstraction has 41251 states and 58284 transitions. [2022-10-16 16:23:29,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:29,541 INFO L276 IsEmpty]: Start isEmpty. Operand 41251 states and 58284 transitions. [2022-10-16 16:23:29,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:23:29,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:29,543 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:29,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:23:29,543 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:23:29,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash 952997259, now seen corresponding path program 1 times [2022-10-16 16:23:29,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:29,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773287956] [2022-10-16 16:23:29,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:29,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:23:29,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:29,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773287956] [2022-10-16 16:23:29,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773287956] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:29,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:29,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:23:29,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376782865] [2022-10-16 16:23:29,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:29,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:23:29,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:29,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:23:29,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:23:29,670 INFO L87 Difference]: Start difference. First operand 41251 states and 58284 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:33,633 INFO L93 Difference]: Finished difference Result 48691 states and 69372 transitions. [2022-10-16 16:23:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:23:33,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 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 90 [2022-10-16 16:23:33,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:33,701 INFO L225 Difference]: With dead ends: 48691 [2022-10-16 16:23:33,701 INFO L226 Difference]: Without dead ends: 48688 [2022-10-16 16:23:33,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:23:33,713 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 363 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:33,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 513 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:23:33,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48688 states. [2022-10-16 16:23:37,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48688 to 43723. [2022-10-16 16:23:37,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43723 states, 43708 states have (on average 1.4147524480644276) internal successors, (61836), 43722 states have internal predecessors, (61836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43723 states to 43723 states and 61836 transitions. [2022-10-16 16:23:37,417 INFO L78 Accepts]: Start accepts. Automaton has 43723 states and 61836 transitions. Word has length 90 [2022-10-16 16:23:37,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:37,417 INFO L495 AbstractCegarLoop]: Abstraction has 43723 states and 61836 transitions. [2022-10-16 16:23:37,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 43723 states and 61836 transitions. [2022-10-16 16:23:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:23:37,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:37,420 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:37,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:23:37,420 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:23:37,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1949537227, now seen corresponding path program 1 times [2022-10-16 16:23:37,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:37,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357615118] [2022-10-16 16:23:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:23:37,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:37,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357615118] [2022-10-16 16:23:37,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357615118] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:37,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:37,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:37,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131736153] [2022-10-16 16:23:37,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:37,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:37,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:37,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:37,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:37,560 INFO L87 Difference]: Start difference. First operand 43723 states and 61836 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:43,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:43,409 INFO L93 Difference]: Finished difference Result 100702 states and 143708 transitions. [2022-10-16 16:23:43,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:43,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:23:43,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:43,518 INFO L225 Difference]: With dead ends: 100702 [2022-10-16 16:23:43,519 INFO L226 Difference]: Without dead ends: 69679 [2022-10-16 16:23:43,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:43,558 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 664 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:43,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 470 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:23:43,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69679 states. [2022-10-16 16:23:49,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69679 to 65659. [2022-10-16 16:23:49,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65659 states, 65644 states have (on average 1.4178904393394673) internal successors, (93076), 65658 states have internal predecessors, (93076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65659 states to 65659 states and 93076 transitions. [2022-10-16 16:23:49,681 INFO L78 Accepts]: Start accepts. Automaton has 65659 states and 93076 transitions. Word has length 91 [2022-10-16 16:23:49,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:23:49,681 INFO L495 AbstractCegarLoop]: Abstraction has 65659 states and 93076 transitions. [2022-10-16 16:23:49,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 65659 states and 93076 transitions. [2022-10-16 16:23:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:23:49,684 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:23:49,684 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:23:49,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:23:49,684 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:23:49,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:23:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash -24270917, now seen corresponding path program 1 times [2022-10-16 16:23:49,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:23:49,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370298017] [2022-10-16 16:23:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:23:49,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:23:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:23:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:23:49,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:23:49,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370298017] [2022-10-16 16:23:49,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370298017] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:23:49,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:23:49,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:23:49,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821063259] [2022-10-16 16:23:49,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:23:49,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:23:49,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:23:49,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:23:49,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:23:49,821 INFO L87 Difference]: Start difference. First operand 65659 states and 93076 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:23:56,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:23:56,154 INFO L93 Difference]: Finished difference Result 132240 states and 188732 transitions. [2022-10-16 16:23:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:23:56,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:23:56,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:23:56,270 INFO L225 Difference]: With dead ends: 132240 [2022-10-16 16:23:56,270 INFO L226 Difference]: Without dead ends: 73769 [2022-10-16 16:23:56,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:23:56,314 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 677 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:23:56,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 451 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:23:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73769 states. [2022-10-16 16:24:02,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73769 to 67763. [2022-10-16 16:24:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67763 states, 67748 states have (on average 1.4255771388085257) internal successors, (96580), 67762 states have internal predecessors, (96580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67763 states to 67763 states and 96580 transitions. [2022-10-16 16:24:02,584 INFO L78 Accepts]: Start accepts. Automaton has 67763 states and 96580 transitions. Word has length 91 [2022-10-16 16:24:02,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:02,584 INFO L495 AbstractCegarLoop]: Abstraction has 67763 states and 96580 transitions. [2022-10-16 16:24:02,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 67763 states and 96580 transitions. [2022-10-16 16:24:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:24:02,586 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:02,586 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:02,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:24:02,587 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:24:02,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:02,587 INFO L85 PathProgramCache]: Analyzing trace with hash -521855869, now seen corresponding path program 1 times [2022-10-16 16:24:02,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:02,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977152409] [2022-10-16 16:24:02,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:02,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:24:02,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:02,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977152409] [2022-10-16 16:24:02,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977152409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:02,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:02,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:24:02,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583058975] [2022-10-16 16:24:02,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:02,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:24:02,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:02,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:24:02,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:24:02,723 INFO L87 Difference]: Start difference. First operand 67763 states and 96580 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:09,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:09,481 INFO L93 Difference]: Finished difference Result 84617 states and 121972 transitions. [2022-10-16 16:24:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:24:09,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 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 91 [2022-10-16 16:24:09,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:09,613 INFO L225 Difference]: With dead ends: 84617 [2022-10-16 16:24:09,614 INFO L226 Difference]: Without dead ends: 84614 [2022-10-16 16:24:09,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:24:09,633 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 402 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:09,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 348 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:24:09,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84614 states. [2022-10-16 16:24:17,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84614 to 84587. [2022-10-16 16:24:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84587 states, 84572 states have (on average 1.4303079033249775) internal successors, (120964), 84586 states have internal predecessors, (120964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84587 states to 84587 states and 120964 transitions. [2022-10-16 16:24:17,477 INFO L78 Accepts]: Start accepts. Automaton has 84587 states and 120964 transitions. Word has length 91 [2022-10-16 16:24:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:17,477 INFO L495 AbstractCegarLoop]: Abstraction has 84587 states and 120964 transitions. [2022-10-16 16:24:17,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 84587 states and 120964 transitions. [2022-10-16 16:24:17,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:24:17,481 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:17,481 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:17,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:24:17,482 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:24:17,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1678223147, now seen corresponding path program 1 times [2022-10-16 16:24:17,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:17,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827075967] [2022-10-16 16:24:17,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:17,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:24:17,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:17,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827075967] [2022-10-16 16:24:17,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827075967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:17,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:17,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:17,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960441114] [2022-10-16 16:24:17,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:17,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:17,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:17,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:17,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:17,682 INFO L87 Difference]: Start difference. First operand 84587 states and 120964 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:25,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:24:25,477 INFO L93 Difference]: Finished difference Result 95147 states and 135604 transitions. [2022-10-16 16:24:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:24:25,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:24:25,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:24:25,621 INFO L225 Difference]: With dead ends: 95147 [2022-10-16 16:24:25,622 INFO L226 Difference]: Without dead ends: 95144 [2022-10-16 16:24:25,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:24:25,641 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 522 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:24:25,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 587 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:24:25,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95144 states. [2022-10-16 16:24:34,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95144 to 95123. [2022-10-16 16:24:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95123 states, 95108 states have (on average 1.4230979518021618) internal successors, (135348), 95122 states have internal predecessors, (135348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95123 states to 95123 states and 135348 transitions. [2022-10-16 16:24:34,420 INFO L78 Accepts]: Start accepts. Automaton has 95123 states and 135348 transitions. Word has length 92 [2022-10-16 16:24:34,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:24:34,421 INFO L495 AbstractCegarLoop]: Abstraction has 95123 states and 135348 transitions. [2022-10-16 16:24:34,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:24:34,421 INFO L276 IsEmpty]: Start isEmpty. Operand 95123 states and 135348 transitions. [2022-10-16 16:24:34,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:24:34,423 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:24:34,423 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:24:34,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:24:34,423 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:24:34,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:24:34,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1163042063, now seen corresponding path program 1 times [2022-10-16 16:24:34,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:24:34,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284453944] [2022-10-16 16:24:34,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:24:34,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:24:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:24:34,603 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:24:34,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:24:34,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284453944] [2022-10-16 16:24:34,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284453944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:24:34,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:24:34,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:24:34,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284263334] [2022-10-16 16:24:34,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:24:34,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:24:34,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:24:34,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:24:34,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:24:34,606 INFO L87 Difference]: Start difference. First operand 95123 states and 135348 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)