/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:50:52,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:50:52,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:50:52,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:50:52,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:50:52,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:50:52,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:50:52,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:50:52,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:50:52,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:50:52,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:50:52,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:50:52,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:50:52,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:50:52,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:50:52,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:50:52,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:50:52,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:50:52,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:50:52,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:50:52,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:50:52,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:50:52,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:50:52,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:50:52,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:50:52,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:50:52,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:50:52,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:50:52,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:50:52,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:50:52,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:50:52,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:50:52,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:50:52,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:50:52,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:50:52,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:50:52,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:50:52,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:50:52,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:50:52,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:50:52,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:50:52,302 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 16:50:52,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:50:52,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:50:52,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:50:52,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:50:52,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:50:52,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:50:52,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:50:52,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:50:52,362 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:50:52,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:50:52,363 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:50:52,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:50:52,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:50:52,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:50:52,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:50:52,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:50:52,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:50:52,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:50:52,364 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:50:52,365 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:50:52,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:50:52,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:50:52,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:50:52,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:50:52,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:50:52,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:50:52,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:50:52,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:50:52,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:50:52,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:50:52,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:50:52,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:50:52,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:50:52,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:50:52,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:50:52,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:50:52,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:50:52,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:50:52,828 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:50:52,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 16:50:52,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6d88084/0cb1991dae66483295c302706c839b61/FLAG83978dacf [2022-10-16 16:50:53,790 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:50:53,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 16:50:53,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6d88084/0cb1991dae66483295c302706c839b61/FLAG83978dacf [2022-10-16 16:50:53,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa6d88084/0cb1991dae66483295c302706c839b61 [2022-10-16 16:50:53,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:50:53,958 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:50:53,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:50:53,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:50:53,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:50:53,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:50:53" (1/1) ... [2022-10-16 16:50:53,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e0e70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:53, skipping insertion in model container [2022-10-16 16:50:53,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:50:53" (1/1) ... [2022-10-16 16:50:53,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:50:54,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:50:54,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[22673,22686] [2022-10-16 16:50:54,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:50:54,941 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:50:55,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c[22673,22686] [2022-10-16 16:50:55,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:50:55,181 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:50:55,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55 WrapperNode [2022-10-16 16:50:55,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:50:55,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:50:55,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:50:55,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:50:55,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,362 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2880 [2022-10-16 16:50:55,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:50:55,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:50:55,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:50:55,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:50:55,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:50:55,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:50:55,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:50:55,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:50:55,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (1/1) ... [2022-10-16 16:50:55,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:50:55,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:50:55,553 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 16:50:55,578 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 16:50:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:50:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:50:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:50:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:50:55,941 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:50:55,944 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:50:57,920 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:50:57,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:50:57,938 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:50:57,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:50:57 BoogieIcfgContainer [2022-10-16 16:50:57,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:50:57,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:50:57,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:50:57,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:50:57,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:50:53" (1/3) ... [2022-10-16 16:50:57,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3f2247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:50:57, skipping insertion in model container [2022-10-16 16:50:57,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:50:55" (2/3) ... [2022-10-16 16:50:57,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3f2247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:50:57, skipping insertion in model container [2022-10-16 16:50:57,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:50:57" (3/3) ... [2022-10-16 16:50:57,952 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.5.1.ufo.BOUNDED-10.pals.c.v+cfa-reducer.c [2022-10-16 16:50:57,973 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:50:57,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2022-10-16 16:50:58,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:50:58,064 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;@7397c8f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:50:58,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2022-10-16 16:50:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 872 states, 809 states have (on average 1.8454882571075402) internal successors, (1493), 871 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:58,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-16 16:50:58,107 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:50:58,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:50:58,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:50:58,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:50:58,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1840243389, now seen corresponding path program 1 times [2022-10-16 16:50:58,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:50:58,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963811128] [2022-10-16 16:50:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:50:58,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:50:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:50:58,967 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 16:50:58,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:50:58,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963811128] [2022-10-16 16:50:58,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963811128] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:50:58,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:50:58,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:50:58,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747464190] [2022-10-16 16:50:58,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:50:58,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:50:58,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:50:59,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:50:59,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:50:59,017 INFO L87 Difference]: Start difference. First operand has 872 states, 809 states have (on average 1.8454882571075402) internal successors, (1493), 871 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:59,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:50:59,247 INFO L93 Difference]: Finished difference Result 1518 states and 2422 transitions. [2022-10-16 16:50:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:50:59,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-10-16 16:50:59,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:50:59,284 INFO L225 Difference]: With dead ends: 1518 [2022-10-16 16:50:59,284 INFO L226 Difference]: Without dead ends: 1168 [2022-10-16 16:50:59,299 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 16:50:59,304 INFO L413 NwaCegarLoop]: 1916 mSDtfsCounter, 479 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 3338 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:50:59,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 3338 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:50:59,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2022-10-16 16:50:59,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1108. [2022-10-16 16:50:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1046 states have (on average 1.78585086042065) internal successors, (1868), 1107 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1868 transitions. [2022-10-16 16:50:59,519 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1868 transitions. Word has length 171 [2022-10-16 16:50:59,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:50:59,523 INFO L495 AbstractCegarLoop]: Abstraction has 1108 states and 1868 transitions. [2022-10-16 16:50:59,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1868 transitions. [2022-10-16 16:50:59,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 16:50:59,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:50:59,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:50:59,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:50:59,538 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:50:59,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:50:59,539 INFO L85 PathProgramCache]: Analyzing trace with hash 39030689, now seen corresponding path program 1 times [2022-10-16 16:50:59,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:50:59,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380045489] [2022-10-16 16:50:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:50:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:50:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:00,101 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 16:51:00,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:00,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380045489] [2022-10-16 16:51:00,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380045489] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:00,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:00,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:00,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083091219] [2022-10-16 16:51:00,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:00,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:00,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:00,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:00,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:00,113 INFO L87 Difference]: Start difference. First operand 1108 states and 1868 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:00,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:00,240 INFO L93 Difference]: Finished difference Result 1983 states and 3227 transitions. [2022-10-16 16:51:00,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:00,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2022-10-16 16:51:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:00,254 INFO L225 Difference]: With dead ends: 1983 [2022-10-16 16:51:00,254 INFO L226 Difference]: Without dead ends: 1403 [2022-10-16 16:51:00,256 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 16:51:00,258 INFO L413 NwaCegarLoop]: 1435 mSDtfsCounter, 428 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:00,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 2829 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:00,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2022-10-16 16:51:00,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1358. [2022-10-16 16:51:00,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1358 states, 1296 states have (on average 1.7739197530864197) internal successors, (2299), 1357 states have internal predecessors, (2299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 2299 transitions. [2022-10-16 16:51:00,376 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 2299 transitions. Word has length 175 [2022-10-16 16:51:00,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:00,377 INFO L495 AbstractCegarLoop]: Abstraction has 1358 states and 2299 transitions. [2022-10-16 16:51:00,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 2299 transitions. [2022-10-16 16:51:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 16:51:00,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:00,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:00,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:51:00,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:00,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1312814298, now seen corresponding path program 1 times [2022-10-16 16:51:00,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:00,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889448968] [2022-10-16 16:51:00,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:00,648 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 16:51:00,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:00,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889448968] [2022-10-16 16:51:00,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889448968] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:00,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:00,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:00,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297940672] [2022-10-16 16:51:00,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:00,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:00,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:00,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:00,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:00,652 INFO L87 Difference]: Start difference. First operand 1358 states and 2299 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:00,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:00,808 INFO L93 Difference]: Finished difference Result 2892 states and 4790 transitions. [2022-10-16 16:51:00,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:00,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2022-10-16 16:51:00,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:00,825 INFO L225 Difference]: With dead ends: 2892 [2022-10-16 16:51:00,826 INFO L226 Difference]: Without dead ends: 2064 [2022-10-16 16:51:00,829 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 16:51:00,831 INFO L413 NwaCegarLoop]: 1821 mSDtfsCounter, 458 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 3206 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 16:51:00,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 3206 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:00,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2022-10-16 16:51:00,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2004. [2022-10-16 16:51:00,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2004 states, 1942 states have (on average 1.7703398558187435) internal successors, (3438), 2003 states have internal predecessors, (3438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 3438 transitions. [2022-10-16 16:51:00,973 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 3438 transitions. Word has length 179 [2022-10-16 16:51:00,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:00,973 INFO L495 AbstractCegarLoop]: Abstraction has 2004 states and 3438 transitions. [2022-10-16 16:51:00,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 3438 transitions. [2022-10-16 16:51:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-10-16 16:51:00,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:00,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:00,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:51:00,979 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:00,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:00,980 INFO L85 PathProgramCache]: Analyzing trace with hash -987846472, now seen corresponding path program 1 times [2022-10-16 16:51:00,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:00,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112839125] [2022-10-16 16:51:00,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:00,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:01,268 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 16:51:01,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:01,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112839125] [2022-10-16 16:51:01,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112839125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:01,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:01,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:01,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984261502] [2022-10-16 16:51:01,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:01,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:01,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:01,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:01,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:01,272 INFO L87 Difference]: Start difference. First operand 2004 states and 3438 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:01,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:01,498 INFO L93 Difference]: Finished difference Result 4296 states and 7253 transitions. [2022-10-16 16:51:01,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:01,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2022-10-16 16:51:01,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:01,524 INFO L225 Difference]: With dead ends: 4296 [2022-10-16 16:51:01,524 INFO L226 Difference]: Without dead ends: 2822 [2022-10-16 16:51:01,528 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 16:51:01,529 INFO L413 NwaCegarLoop]: 1440 mSDtfsCounter, 460 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 2843 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 16:51:01,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 2843 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:01,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2022-10-16 16:51:01,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2759. [2022-10-16 16:51:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2697 states have (on average 1.7623285131627735) internal successors, (4753), 2758 states have internal predecessors, (4753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 4753 transitions. [2022-10-16 16:51:01,789 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 4753 transitions. Word has length 183 [2022-10-16 16:51:01,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:01,790 INFO L495 AbstractCegarLoop]: Abstraction has 2759 states and 4753 transitions. [2022-10-16 16:51:01,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 4753 transitions. [2022-10-16 16:51:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 16:51:01,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:01,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:01,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:51:01,799 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:01,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:01,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1365624765, now seen corresponding path program 1 times [2022-10-16 16:51:01,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:01,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113738838] [2022-10-16 16:51:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:01,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:02,059 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 16:51:02,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:02,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113738838] [2022-10-16 16:51:02,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113738838] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:02,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:02,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:02,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496126067] [2022-10-16 16:51:02,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:02,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:02,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:02,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:02,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:02,063 INFO L87 Difference]: Start difference. First operand 2759 states and 4753 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:02,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:02,466 INFO L93 Difference]: Finished difference Result 6799 states and 11650 transitions. [2022-10-16 16:51:02,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:02,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 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 187 [2022-10-16 16:51:02,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:02,496 INFO L225 Difference]: With dead ends: 6799 [2022-10-16 16:51:02,497 INFO L226 Difference]: Without dead ends: 4598 [2022-10-16 16:51:02,502 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 16:51:02,503 INFO L413 NwaCegarLoop]: 1777 mSDtfsCounter, 450 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 3163 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 16:51:02,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 3163 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:02,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4598 states. [2022-10-16 16:51:02,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4598 to 4538. [2022-10-16 16:51:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4538 states, 4476 states have (on average 1.7609472743521002) internal successors, (7882), 4537 states have internal predecessors, (7882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:02,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4538 states and 7882 transitions. [2022-10-16 16:51:02,938 INFO L78 Accepts]: Start accepts. Automaton has 4538 states and 7882 transitions. Word has length 187 [2022-10-16 16:51:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:02,939 INFO L495 AbstractCegarLoop]: Abstraction has 4538 states and 7882 transitions. [2022-10-16 16:51:02,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 4538 states and 7882 transitions. [2022-10-16 16:51:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-10-16 16:51:02,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:02,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:02,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:51:02,944 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:02,945 INFO L85 PathProgramCache]: Analyzing trace with hash 958238461, now seen corresponding path program 1 times [2022-10-16 16:51:02,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:02,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778449690] [2022-10-16 16:51:02,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:02,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:03,184 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 16:51:03,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:03,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778449690] [2022-10-16 16:51:03,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778449690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:03,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:03,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:03,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422199561] [2022-10-16 16:51:03,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:03,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:03,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:03,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:03,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:03,188 INFO L87 Difference]: Start difference. First operand 4538 states and 7882 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:03,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:03,856 INFO L93 Difference]: Finished difference Result 10637 states and 18375 transitions. [2022-10-16 16:51:03,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:03,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2022-10-16 16:51:03,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:03,905 INFO L225 Difference]: With dead ends: 10637 [2022-10-16 16:51:03,905 INFO L226 Difference]: Without dead ends: 6657 [2022-10-16 16:51:03,915 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 16:51:03,916 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 452 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 2845 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 16:51:03,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 2845 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:03,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6657 states. [2022-10-16 16:51:04,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6657 to 6588. [2022-10-16 16:51:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6588 states, 6526 states have (on average 1.7546736132393503) internal successors, (11451), 6587 states have internal predecessors, (11451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6588 states to 6588 states and 11451 transitions. [2022-10-16 16:51:04,473 INFO L78 Accepts]: Start accepts. Automaton has 6588 states and 11451 transitions. Word has length 191 [2022-10-16 16:51:04,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:04,474 INFO L495 AbstractCegarLoop]: Abstraction has 6588 states and 11451 transitions. [2022-10-16 16:51:04,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:04,474 INFO L276 IsEmpty]: Start isEmpty. Operand 6588 states and 11451 transitions. [2022-10-16 16:51:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-10-16 16:51:04,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:04,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:04,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:51:04,479 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:04,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:04,479 INFO L85 PathProgramCache]: Analyzing trace with hash 471403138, now seen corresponding path program 1 times [2022-10-16 16:51:04,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:04,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316093332] [2022-10-16 16:51:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:04,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:04,753 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 16:51:04,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:04,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316093332] [2022-10-16 16:51:04,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316093332] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:04,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:04,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:04,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664109318] [2022-10-16 16:51:04,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:04,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:04,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:04,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:04,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:04,756 INFO L87 Difference]: Start difference. First operand 6588 states and 11451 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:05,726 INFO L93 Difference]: Finished difference Result 17510 states and 30414 transitions. [2022-10-16 16:51:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:05,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 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 195 [2022-10-16 16:51:05,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:05,781 INFO L225 Difference]: With dead ends: 17510 [2022-10-16 16:51:05,782 INFO L226 Difference]: Without dead ends: 11508 [2022-10-16 16:51:05,795 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 16:51:05,796 INFO L413 NwaCegarLoop]: 1733 mSDtfsCounter, 442 mSDsluCounter, 1387 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 3120 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 16:51:05,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 3120 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:05,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11508 states. [2022-10-16 16:51:06,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11508 to 11448. [2022-10-16 16:51:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11448 states, 11386 states have (on average 1.7542596170735991) internal successors, (19974), 11447 states have internal predecessors, (19974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11448 states to 11448 states and 19974 transitions. [2022-10-16 16:51:06,780 INFO L78 Accepts]: Start accepts. Automaton has 11448 states and 19974 transitions. Word has length 195 [2022-10-16 16:51:06,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:06,781 INFO L495 AbstractCegarLoop]: Abstraction has 11448 states and 19974 transitions. [2022-10-16 16:51:06,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 11448 states and 19974 transitions. [2022-10-16 16:51:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-10-16 16:51:06,786 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:06,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:06,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:51:06,787 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:06,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:06,787 INFO L85 PathProgramCache]: Analyzing trace with hash -327207824, now seen corresponding path program 1 times [2022-10-16 16:51:06,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:06,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007615193] [2022-10-16 16:51:06,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:07,198 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 16:51:07,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:07,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007615193] [2022-10-16 16:51:07,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007615193] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:07,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:07,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:07,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226685872] [2022-10-16 16:51:07,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:07,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:07,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:07,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:07,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:07,202 INFO L87 Difference]: Start difference. First operand 11448 states and 19974 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:08,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:08,433 INFO L93 Difference]: Finished difference Result 28014 states and 48773 transitions. [2022-10-16 16:51:08,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:08,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2022-10-16 16:51:08,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:08,492 INFO L225 Difference]: With dead ends: 28014 [2022-10-16 16:51:08,493 INFO L226 Difference]: Without dead ends: 17152 [2022-10-16 16:51:08,515 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 16:51:08,517 INFO L413 NwaCegarLoop]: 1442 mSDtfsCounter, 444 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 2847 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 16:51:08,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 2847 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:08,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17152 states. [2022-10-16 16:51:09,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17152 to 17065. [2022-10-16 16:51:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17065 states, 17003 states have (on average 1.7484561547962125) internal successors, (29729), 17064 states have internal predecessors, (29729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17065 states to 17065 states and 29729 transitions. [2022-10-16 16:51:09,779 INFO L78 Accepts]: Start accepts. Automaton has 17065 states and 29729 transitions. Word has length 199 [2022-10-16 16:51:09,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:09,780 INFO L495 AbstractCegarLoop]: Abstraction has 17065 states and 29729 transitions. [2022-10-16 16:51:09,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:09,781 INFO L276 IsEmpty]: Start isEmpty. Operand 17065 states and 29729 transitions. [2022-10-16 16:51:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-10-16 16:51:09,785 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:09,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:09,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:51:09,793 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:09,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:09,794 INFO L85 PathProgramCache]: Analyzing trace with hash 725599605, now seen corresponding path program 1 times [2022-10-16 16:51:09,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:09,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734619300] [2022-10-16 16:51:09,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:09,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:10,080 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 16:51:10,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:10,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734619300] [2022-10-16 16:51:10,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734619300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:10,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:10,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:10,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830293571] [2022-10-16 16:51:10,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:10,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:10,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:10,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:10,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:10,084 INFO L87 Difference]: Start difference. First operand 17065 states and 29729 transitions. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:12,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:12,312 INFO L93 Difference]: Finished difference Result 46725 states and 81434 transitions. [2022-10-16 16:51:12,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:12,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2022-10-16 16:51:12,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:12,415 INFO L225 Difference]: With dead ends: 46725 [2022-10-16 16:51:12,416 INFO L226 Difference]: Without dead ends: 30274 [2022-10-16 16:51:12,442 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 16:51:12,445 INFO L413 NwaCegarLoop]: 1689 mSDtfsCounter, 434 mSDsluCounter, 1388 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 3077 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 16:51:12,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 3077 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:12,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30274 states. [2022-10-16 16:51:14,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30274 to 30214. [2022-10-16 16:51:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30214 states, 30152 states have (on average 1.7480100822499336) internal successors, (52706), 30213 states have internal predecessors, (52706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30214 states to 30214 states and 52706 transitions. [2022-10-16 16:51:14,548 INFO L78 Accepts]: Start accepts. Automaton has 30214 states and 52706 transitions. Word has length 203 [2022-10-16 16:51:14,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:14,549 INFO L495 AbstractCegarLoop]: Abstraction has 30214 states and 52706 transitions. [2022-10-16 16:51:14,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:14,550 INFO L276 IsEmpty]: Start isEmpty. Operand 30214 states and 52706 transitions. [2022-10-16 16:51:14,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-10-16 16:51:14,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:14,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:14,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:51:14,554 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:14,556 INFO L85 PathProgramCache]: Analyzing trace with hash 8863283, now seen corresponding path program 1 times [2022-10-16 16:51:14,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:14,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581218842] [2022-10-16 16:51:14,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:14,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:14,830 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 16:51:14,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:14,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581218842] [2022-10-16 16:51:14,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581218842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:14,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:14,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:51:14,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28267157] [2022-10-16 16:51:14,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:14,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:14,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:14,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:14,833 INFO L87 Difference]: Start difference. First operand 30214 states and 52706 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:17,383 INFO L93 Difference]: Finished difference Result 75319 states and 131239 transitions. [2022-10-16 16:51:17,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:17,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 206 [2022-10-16 16:51:17,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:17,522 INFO L225 Difference]: With dead ends: 75319 [2022-10-16 16:51:17,522 INFO L226 Difference]: Without dead ends: 45719 [2022-10-16 16:51:17,557 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 16:51:17,558 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 436 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 2849 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 16:51:17,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 2849 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:51:17,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45719 states. [2022-10-16 16:51:19,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45719 to 45578. [2022-10-16 16:51:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45578 states, 45516 states have (on average 1.7420467527902277) internal successors, (79291), 45577 states have internal predecessors, (79291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45578 states to 45578 states and 79291 transitions. [2022-10-16 16:51:19,903 INFO L78 Accepts]: Start accepts. Automaton has 45578 states and 79291 transitions. Word has length 206 [2022-10-16 16:51:19,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:19,904 INFO L495 AbstractCegarLoop]: Abstraction has 45578 states and 79291 transitions. [2022-10-16 16:51:19,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 45578 states and 79291 transitions. [2022-10-16 16:51:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-16 16:51:19,908 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:19,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:19,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:51:19,909 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:19,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:19,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1534941710, now seen corresponding path program 1 times [2022-10-16 16:51:19,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:19,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355517374] [2022-10-16 16:51:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:19,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:20,304 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 16:51:20,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:20,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355517374] [2022-10-16 16:51:20,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355517374] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:20,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:20,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:51:20,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139251908] [2022-10-16 16:51:20,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:20,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:20,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:20,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:20,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:20,310 INFO L87 Difference]: Start difference. First operand 45578 states and 79291 transitions. Second operand has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:24,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:24,332 INFO L93 Difference]: Finished difference Result 85597 states and 149167 transitions. [2022-10-16 16:51:24,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:24,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 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 210 [2022-10-16 16:51:24,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:24,561 INFO L225 Difference]: With dead ends: 85597 [2022-10-16 16:51:24,562 INFO L226 Difference]: Without dead ends: 85594 [2022-10-16 16:51:24,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:24,587 INFO L413 NwaCegarLoop]: 1378 mSDtfsCounter, 1229 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:24,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 1805 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:51:24,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85594 states. [2022-10-16 16:51:28,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85594 to 85538. [2022-10-16 16:51:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85538 states, 85476 states have (on average 1.7375520613973514) internal successors, (148519), 85537 states have internal predecessors, (148519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85538 states to 85538 states and 148519 transitions. [2022-10-16 16:51:29,399 INFO L78 Accepts]: Start accepts. Automaton has 85538 states and 148519 transitions. Word has length 210 [2022-10-16 16:51:29,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:29,400 INFO L495 AbstractCegarLoop]: Abstraction has 85538 states and 148519 transitions. [2022-10-16 16:51:29,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 105.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 85538 states and 148519 transitions. [2022-10-16 16:51:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-10-16 16:51:29,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:29,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:29,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:51:29,408 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash 338553462, now seen corresponding path program 1 times [2022-10-16 16:51:29,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:29,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134870484] [2022-10-16 16:51:29,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:29,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:51:29,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:29,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134870484] [2022-10-16 16:51:29,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134870484] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:29,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:29,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:51:29,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520953325] [2022-10-16 16:51:29,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:29,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:29,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:29,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:29,764 INFO L87 Difference]: Start difference. First operand 85538 states and 148519 transitions. Second operand has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:34,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:34,192 INFO L93 Difference]: Finished difference Result 85597 states and 148519 transitions. [2022-10-16 16:51:34,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:34,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 211 [2022-10-16 16:51:34,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:34,468 INFO L225 Difference]: With dead ends: 85597 [2022-10-16 16:51:34,469 INFO L226 Difference]: Without dead ends: 85594 [2022-10-16 16:51:34,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:34,499 INFO L413 NwaCegarLoop]: 1381 mSDtfsCounter, 1225 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1225 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:34,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1225 Valid, 1808 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:51:34,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85594 states. [2022-10-16 16:51:39,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85594 to 85538. [2022-10-16 16:51:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85538 states, 85476 states have (on average 1.7299709860077683) internal successors, (147871), 85537 states have internal predecessors, (147871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85538 states to 85538 states and 147871 transitions. [2022-10-16 16:51:39,829 INFO L78 Accepts]: Start accepts. Automaton has 85538 states and 147871 transitions. Word has length 211 [2022-10-16 16:51:39,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:39,830 INFO L495 AbstractCegarLoop]: Abstraction has 85538 states and 147871 transitions. [2022-10-16 16:51:39,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 105.5) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 85538 states and 147871 transitions. [2022-10-16 16:51:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-16 16:51:39,835 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:39,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:39,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:51:39,836 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:39,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:39,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1905223440, now seen corresponding path program 1 times [2022-10-16 16:51:39,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:39,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692364986] [2022-10-16 16:51:39,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:39,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:40,228 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 16:51:40,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:40,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692364986] [2022-10-16 16:51:40,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692364986] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:40,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:40,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:51:40,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055996829] [2022-10-16 16:51:40,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:40,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:40,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:40,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:40,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:40,231 INFO L87 Difference]: Start difference. First operand 85538 states and 147871 transitions. Second operand has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:46,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:51:46,634 INFO L93 Difference]: Finished difference Result 115129 states and 198631 transitions. [2022-10-16 16:51:46,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:51:46,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 212 [2022-10-16 16:51:46,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:51:47,021 INFO L225 Difference]: With dead ends: 115129 [2022-10-16 16:51:47,021 INFO L226 Difference]: Without dead ends: 115126 [2022-10-16 16:51:47,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:47,059 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 1220 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:51:47,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 1797 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:51:47,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115126 states. [2022-10-16 16:51:53,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115126 to 115076. [2022-10-16 16:51:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115076 states, 115014 states have (on average 1.721381744831064) internal successors, (197983), 115075 states have internal predecessors, (197983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115076 states to 115076 states and 197983 transitions. [2022-10-16 16:51:53,953 INFO L78 Accepts]: Start accepts. Automaton has 115076 states and 197983 transitions. Word has length 212 [2022-10-16 16:51:53,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:51:53,954 INFO L495 AbstractCegarLoop]: Abstraction has 115076 states and 197983 transitions. [2022-10-16 16:51:53,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 106.0) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:51:53,954 INFO L276 IsEmpty]: Start isEmpty. Operand 115076 states and 197983 transitions. [2022-10-16 16:51:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-10-16 16:51:53,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:51:53,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:51:53,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:51:53,975 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:51:53,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:51:53,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1067614792, now seen corresponding path program 1 times [2022-10-16 16:51:53,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:51:53,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483528138] [2022-10-16 16:51:53,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:51:53,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:51:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:51:54,293 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 16:51:54,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:51:54,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483528138] [2022-10-16 16:51:54,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483528138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:51:54,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:51:54,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:51:54,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602630493] [2022-10-16 16:51:54,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:51:54,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:51:54,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:51:54,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:51:54,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:51:54,296 INFO L87 Difference]: Start difference. First operand 115076 states and 197983 transitions. Second operand has 3 states, 2 states have (on average 106.5) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:00,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:00,446 INFO L93 Difference]: Finished difference Result 115129 states and 197983 transitions. [2022-10-16 16:52:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:00,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 106.5) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 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 213 [2022-10-16 16:52:00,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:00,641 INFO L225 Difference]: With dead ends: 115129 [2022-10-16 16:52:00,642 INFO L226 Difference]: Without dead ends: 115126 [2022-10-16 16:52:00,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:00,667 INFO L413 NwaCegarLoop]: 1380 mSDtfsCounter, 1216 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:00,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 1800 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:52:00,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115126 states. [2022-10-16 16:52:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115126 to 115076. [2022-10-16 16:52:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115076 states, 115014 states have (on average 1.7157476481124037) internal successors, (197335), 115075 states have internal predecessors, (197335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:07,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115076 states to 115076 states and 197335 transitions. [2022-10-16 16:52:07,888 INFO L78 Accepts]: Start accepts. Automaton has 115076 states and 197335 transitions. Word has length 213 [2022-10-16 16:52:07,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:07,888 INFO L495 AbstractCegarLoop]: Abstraction has 115076 states and 197335 transitions. [2022-10-16 16:52:07,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 106.5) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:07,888 INFO L276 IsEmpty]: Start isEmpty. Operand 115076 states and 197335 transitions. [2022-10-16 16:52:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-10-16 16:52:07,890 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:07,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:07,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:52:07,891 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:52:07,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:07,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1263680530, now seen corresponding path program 1 times [2022-10-16 16:52:07,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:07,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097730171] [2022-10-16 16:52:07,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:07,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:52:08,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:08,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097730171] [2022-10-16 16:52:08,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097730171] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:08,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:08,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:08,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053529151] [2022-10-16 16:52:08,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:08,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:08,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:08,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:08,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:08,235 INFO L87 Difference]: Start difference. First operand 115076 states and 197335 transitions. Second operand has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:16,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:16,789 INFO L93 Difference]: Finished difference Result 144661 states and 247231 transitions. [2022-10-16 16:52:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:16,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2022-10-16 16:52:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:17,274 INFO L225 Difference]: With dead ends: 144661 [2022-10-16 16:52:17,275 INFO L226 Difference]: Without dead ends: 144658 [2022-10-16 16:52:17,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:17,317 INFO L413 NwaCegarLoop]: 1376 mSDtfsCounter, 1211 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 1789 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:17,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 1789 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:52:17,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144658 states. [2022-10-16 16:52:26,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144658 to 144614. [2022-10-16 16:52:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144614 states, 144552 states have (on average 1.7058428800708396) internal successors, (246583), 144613 states have internal predecessors, (246583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144614 states to 144614 states and 246583 transitions. [2022-10-16 16:52:27,401 INFO L78 Accepts]: Start accepts. Automaton has 144614 states and 246583 transitions. Word has length 214 [2022-10-16 16:52:27,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:27,402 INFO L495 AbstractCegarLoop]: Abstraction has 144614 states and 246583 transitions. [2022-10-16 16:52:27,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 107.0) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:27,402 INFO L276 IsEmpty]: Start isEmpty. Operand 144614 states and 246583 transitions. [2022-10-16 16:52:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-10-16 16:52:27,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:27,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:27,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:52:27,405 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:52:27,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:27,406 INFO L85 PathProgramCache]: Analyzing trace with hash 519391482, now seen corresponding path program 1 times [2022-10-16 16:52:27,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:27,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782021086] [2022-10-16 16:52:27,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:27,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:52:27,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:27,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782021086] [2022-10-16 16:52:27,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782021086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:27,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:27,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:27,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399095006] [2022-10-16 16:52:27,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:27,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:27,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:27,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:27,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:27,743 INFO L87 Difference]: Start difference. First operand 144614 states and 246583 transitions. Second operand has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:52:36,756 INFO L93 Difference]: Finished difference Result 144661 states and 246583 transitions. [2022-10-16 16:52:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:52:36,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 215 [2022-10-16 16:52:36,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:52:37,221 INFO L225 Difference]: With dead ends: 144661 [2022-10-16 16:52:37,222 INFO L226 Difference]: Without dead ends: 144658 [2022-10-16 16:52:37,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:37,264 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 1207 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:52:37,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 1792 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:52:37,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144658 states. [2022-10-16 16:52:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144658 to 144614. [2022-10-16 16:52:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144614 states, 144552 states have (on average 1.7013600641983508) internal successors, (245935), 144613 states have internal predecessors, (245935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144614 states to 144614 states and 245935 transitions. [2022-10-16 16:52:47,686 INFO L78 Accepts]: Start accepts. Automaton has 144614 states and 245935 transitions. Word has length 215 [2022-10-16 16:52:47,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:52:47,687 INFO L495 AbstractCegarLoop]: Abstraction has 144614 states and 245935 transitions. [2022-10-16 16:52:47,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 107.5) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:52:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 144614 states and 245935 transitions. [2022-10-16 16:52:47,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-10-16 16:52:47,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:52:47,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:52:47,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:52:47,690 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:52:47,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:52:47,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1078732524, now seen corresponding path program 1 times [2022-10-16 16:52:47,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:52:47,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439772507] [2022-10-16 16:52:47,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:52:47,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:52:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:52:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:52:48,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:52:48,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439772507] [2022-10-16 16:52:48,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439772507] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:52:48,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:52:48,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:52:48,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001614745] [2022-10-16 16:52:48,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:52:48,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:52:48,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:52:48,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:52:48,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:52:48,038 INFO L87 Difference]: Start difference. First operand 144614 states and 245935 transitions. Second operand has 3 states, 2 states have (on average 108.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:05,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:05,240 INFO L93 Difference]: Finished difference Result 238485 states and 400159 transitions. [2022-10-16 16:53:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:05,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 108.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 216 [2022-10-16 16:53:05,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:05,870 INFO L225 Difference]: With dead ends: 238485 [2022-10-16 16:53:05,870 INFO L226 Difference]: Without dead ends: 238482 [2022-10-16 16:53:05,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:05,959 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 1220 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1220 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:05,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1220 Valid, 1723 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:53:06,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238482 states. [2022-10-16 16:53:25,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238482 to 238464. [2022-10-16 16:53:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238464 states, 238404 states have (on average 1.6696573882988541) internal successors, (398053), 238463 states have internal predecessors, (398053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238464 states to 238464 states and 398053 transitions. [2022-10-16 16:53:26,437 INFO L78 Accepts]: Start accepts. Automaton has 238464 states and 398053 transitions. Word has length 216 [2022-10-16 16:53:26,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:53:26,438 INFO L495 AbstractCegarLoop]: Abstraction has 238464 states and 398053 transitions. [2022-10-16 16:53:26,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 108.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 238464 states and 398053 transitions. [2022-10-16 16:53:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-10-16 16:53:26,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:53:26,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:53:26,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:53:26,441 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2022-10-16 16:53:26,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:53:26,442 INFO L85 PathProgramCache]: Analyzing trace with hash 919030844, now seen corresponding path program 1 times [2022-10-16 16:53:26,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:53:26,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043881159] [2022-10-16 16:53:26,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:53:26,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:53:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:53:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:53:27,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:53:27,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043881159] [2022-10-16 16:53:27,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043881159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:53:27,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:53:27,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:53:27,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269327533] [2022-10-16 16:53:27,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:53:27,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:53:27,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:53:27,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:53:27,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:27,576 INFO L87 Difference]: Start difference. First operand 238464 states and 398053 transitions. Second operand has 3 states, 2 states have (on average 108.5) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:53:57,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:53:57,951 INFO L93 Difference]: Finished difference Result 390230 states and 653281 transitions. [2022-10-16 16:53:57,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:53:57,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 108.5) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 217 [2022-10-16 16:53:57,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:53:59,660 INFO L225 Difference]: With dead ends: 390230 [2022-10-16 16:53:59,660 INFO L226 Difference]: Without dead ends: 390227 [2022-10-16 16:53:59,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:53:59,953 INFO L413 NwaCegarLoop]: 1376 mSDtfsCounter, 1216 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:53:59,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 1782 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:54:00,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390227 states.