/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:42:23,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:42:23,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:42:23,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:42:23,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:42:23,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:42:23,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:42:23,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:42:23,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:42:23,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:42:23,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:42:23,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:42:23,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:42:23,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:42:23,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:42:23,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:42:23,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:42:23,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:42:23,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:42:23,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:42:23,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:42:23,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:42:23,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:42:23,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:42:23,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 15:42:23,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 15:42:23,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 15:42:23,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 15:42:23,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 15:42:23,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 15:42:23,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 15:42:23,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 15:42:23,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 15:42:23,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 15:42:23,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 15:42:23,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 15:42:23,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 15:42:23,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 15:42:23,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:42:23,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:42:23,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:42:23,988 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 15:42:24,038 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:42:24,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:42:24,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:42:24,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:42:24,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:42:24,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:42:24,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:42:24,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:42:24,045 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:42:24,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:42:24,047 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:42:24,047 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:42:24,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:42:24,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:42:24,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:42:24,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:42:24,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:42:24,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:42:24,049 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:42:24,049 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:42:24,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:42:24,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:42:24,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:42:24,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:42:24,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:42:24,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:42:24,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:42:24,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:42:24,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:42:24,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:42:24,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:42:24,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:42:24,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:42:24,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:42:24,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:42:24,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:42:24,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:42:24,564 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:42:24,565 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:42:24,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 15:42:24,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca8cc7f6/75448b5c857348858c5e2801cdf489e2/FLAG7ddf1e053 [2022-10-16 15:42:25,381 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:42:25,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 15:42:25,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca8cc7f6/75448b5c857348858c5e2801cdf489e2/FLAG7ddf1e053 [2022-10-16 15:42:25,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca8cc7f6/75448b5c857348858c5e2801cdf489e2 [2022-10-16 15:42:25,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:42:25,602 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:42:25,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:42:25,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:42:25,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:42:25,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:42:25" (1/1) ... [2022-10-16 15:42:25,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4668d40f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:25, skipping insertion in model container [2022-10-16 15:42:25,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:42:25" (1/1) ... [2022-10-16 15:42:25,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:42:25,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:42:26,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[9863,9876] [2022-10-16 15:42:26,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:42:26,259 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:42:26,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c[9863,9876] [2022-10-16 15:42:26,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:42:26,426 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:42:26,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26 WrapperNode [2022-10-16 15:42:26,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:42:26,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:42:26,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:42:26,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:42:26,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,541 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 953 [2022-10-16 15:42:26,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:42:26,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:42:26,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:42:26,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:42:26,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:42:26,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:42:26,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:42:26,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:42:26,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:42:26,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:42:26,738 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 15:42:26,758 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 15:42:26,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:42:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:42:26,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:42:26,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:42:27,045 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:42:27,048 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:42:28,141 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:42:28,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:42:28,154 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:42:28,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:42:28 BoogieIcfgContainer [2022-10-16 15:42:28,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:42:28,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:42:28,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:42:28,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:42:28,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:42:25" (1/3) ... [2022-10-16 15:42:28,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f4274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:42:28, skipping insertion in model container [2022-10-16 15:42:28,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (2/3) ... [2022-10-16 15:42:28,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f4274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:42:28, skipping insertion in model container [2022-10-16 15:42:28,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:42:28" (3/3) ... [2022-10-16 15:42:28,168 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2022-10-16 15:42:28,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:42:28,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2022-10-16 15:42:28,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:42:28,273 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;@2afb4cc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:42:28,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2022-10-16 15:42:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 293 states have (on average 1.8361774744027304) internal successors, (538), 371 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:42:28,292 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:28,293 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] [2022-10-16 15:42:28,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:28,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:28,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1025206747, now seen corresponding path program 1 times [2022-10-16 15:42:28,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:28,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666388581] [2022-10-16 15:42:28,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:28,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:28,983 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 15:42:28,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:28,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666388581] [2022-10-16 15:42:28,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666388581] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:28,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:28,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:28,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818962281] [2022-10-16 15:42:28,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:28,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:28,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:29,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:29,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:29,052 INFO L87 Difference]: Start difference. First operand has 372 states, 293 states have (on average 1.8361774744027304) internal successors, (538), 371 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:29,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:29,379 INFO L93 Difference]: Finished difference Result 585 states and 831 transitions. [2022-10-16 15:42:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:29,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 15:42:29,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:29,417 INFO L225 Difference]: With dead ends: 585 [2022-10-16 15:42:29,417 INFO L226 Difference]: Without dead ends: 569 [2022-10-16 15:42:29,422 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 15:42:29,428 INFO L413 NwaCegarLoop]: 715 mSDtfsCounter, 464 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:29,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 929 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:29,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2022-10-16 15:42:29,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 523. [2022-10-16 15:42:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 447 states have (on average 1.657718120805369) internal successors, (741), 522 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:29,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 741 transitions. [2022-10-16 15:42:29,539 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 741 transitions. Word has length 59 [2022-10-16 15:42:29,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:29,542 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 741 transitions. [2022-10-16 15:42:29,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 741 transitions. [2022-10-16 15:42:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:42:29,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:29,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:29,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:42:29,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:29,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:29,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1716638337, now seen corresponding path program 1 times [2022-10-16 15:42:29,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:29,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371291752] [2022-10-16 15:42:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:29,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:29,848 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 15:42:29,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:29,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371291752] [2022-10-16 15:42:29,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371291752] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:29,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:29,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:29,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701060137] [2022-10-16 15:42:29,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:29,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:29,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:29,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:29,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:29,854 INFO L87 Difference]: Start difference. First operand 523 states and 741 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:30,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:30,063 INFO L93 Difference]: Finished difference Result 574 states and 741 transitions. [2022-10-16 15:42:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:30,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 15:42:30,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:30,068 INFO L225 Difference]: With dead ends: 574 [2022-10-16 15:42:30,068 INFO L226 Difference]: Without dead ends: 567 [2022-10-16 15:42:30,069 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 15:42:30,071 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 397 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:30,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 849 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:30,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-10-16 15:42:30,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 521. [2022-10-16 15:42:30,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 447 states have (on average 1.6420581655480984) internal successors, (734), 520 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 734 transitions. [2022-10-16 15:42:30,113 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 734 transitions. Word has length 60 [2022-10-16 15:42:30,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:30,114 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 734 transitions. [2022-10-16 15:42:30,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 734 transitions. [2022-10-16 15:42:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:42:30,116 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:30,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:30,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:42:30,117 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:30,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:30,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1676181149, now seen corresponding path program 1 times [2022-10-16 15:42:30,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:30,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821326434] [2022-10-16 15:42:30,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:30,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:30,351 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 15:42:30,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:30,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821326434] [2022-10-16 15:42:30,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821326434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:30,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:30,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:30,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723137573] [2022-10-16 15:42:30,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:30,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:30,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:30,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:30,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:30,359 INFO L87 Difference]: Start difference. First operand 521 states and 734 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:30,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:30,563 INFO L93 Difference]: Finished difference Result 693 states and 998 transitions. [2022-10-16 15:42:30,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:30,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 15:42:30,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:30,569 INFO L225 Difference]: With dead ends: 693 [2022-10-16 15:42:30,569 INFO L226 Difference]: Without dead ends: 686 [2022-10-16 15:42:30,570 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 15:42:30,572 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 394 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:30,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 543 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:30,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-10-16 15:42:30,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 672. [2022-10-16 15:42:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 603 states have (on average 1.63681592039801) internal successors, (987), 671 states have internal predecessors, (987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 987 transitions. [2022-10-16 15:42:30,650 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 987 transitions. Word has length 61 [2022-10-16 15:42:30,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:30,651 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 987 transitions. [2022-10-16 15:42:30,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 987 transitions. [2022-10-16 15:42:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:42:30,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:30,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:30,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:42:30,672 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:30,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:30,673 INFO L85 PathProgramCache]: Analyzing trace with hash 422008323, now seen corresponding path program 1 times [2022-10-16 15:42:30,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:30,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760261527] [2022-10-16 15:42:30,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:30,828 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 15:42:30,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:30,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760261527] [2022-10-16 15:42:30,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760261527] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:30,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:30,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:30,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914883939] [2022-10-16 15:42:30,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:30,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:30,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:30,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:30,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:30,832 INFO L87 Difference]: Start difference. First operand 672 states and 987 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:31,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:31,070 INFO L93 Difference]: Finished difference Result 996 states and 1472 transitions. [2022-10-16 15:42:31,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:31,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-16 15:42:31,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:31,077 INFO L225 Difference]: With dead ends: 996 [2022-10-16 15:42:31,077 INFO L226 Difference]: Without dead ends: 989 [2022-10-16 15:42:31,079 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 15:42:31,080 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 382 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:31,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 794 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2022-10-16 15:42:31,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 951. [2022-10-16 15:42:31,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 884 states have (on average 1.6515837104072397) internal successors, (1460), 950 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1460 transitions. [2022-10-16 15:42:31,151 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1460 transitions. Word has length 62 [2022-10-16 15:42:31,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:31,151 INFO L495 AbstractCegarLoop]: Abstraction has 951 states and 1460 transitions. [2022-10-16 15:42:31,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1460 transitions. [2022-10-16 15:42:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:42:31,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:31,153 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] [2022-10-16 15:42:31,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:42:31,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:31,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:31,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1823080869, now seen corresponding path program 1 times [2022-10-16 15:42:31,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:31,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892926972] [2022-10-16 15:42:31,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:31,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:31,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:31,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892926972] [2022-10-16 15:42:31,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892926972] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:31,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:31,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:31,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185999934] [2022-10-16 15:42:31,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:31,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:31,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:31,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:31,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:31,301 INFO L87 Difference]: Start difference. First operand 951 states and 1460 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:31,632 INFO L93 Difference]: Finished difference Result 1326 states and 2031 transitions. [2022-10-16 15:42:31,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:31,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 15:42:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:31,641 INFO L225 Difference]: With dead ends: 1326 [2022-10-16 15:42:31,642 INFO L226 Difference]: Without dead ends: 1325 [2022-10-16 15:42:31,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:31,644 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 481 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:31,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1357 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:31,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2022-10-16 15:42:31,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 950. [2022-10-16 15:42:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 884 states have (on average 1.6504524886877827) internal successors, (1459), 949 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:31,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1459 transitions. [2022-10-16 15:42:31,725 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1459 transitions. Word has length 64 [2022-10-16 15:42:31,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:31,725 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1459 transitions. [2022-10-16 15:42:31,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1459 transitions. [2022-10-16 15:42:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:42:31,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:31,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:31,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:42:31,728 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:31,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:31,729 INFO L85 PathProgramCache]: Analyzing trace with hash 680932354, now seen corresponding path program 1 times [2022-10-16 15:42:31,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:31,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897793534] [2022-10-16 15:42:31,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:31,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:31,837 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 15:42:31,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:31,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897793534] [2022-10-16 15:42:31,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897793534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:31,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:31,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:31,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676608296] [2022-10-16 15:42:31,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:31,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:31,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:31,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:31,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:31,840 INFO L87 Difference]: Start difference. First operand 950 states and 1459 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:32,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:32,205 INFO L93 Difference]: Finished difference Result 1323 states and 2030 transitions. [2022-10-16 15:42:32,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:32,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 15:42:32,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:32,215 INFO L225 Difference]: With dead ends: 1323 [2022-10-16 15:42:32,215 INFO L226 Difference]: Without dead ends: 1320 [2022-10-16 15:42:32,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:32,222 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 743 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:32,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 873 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:32,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-10-16 15:42:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1275. [2022-10-16 15:42:32,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 1210 states have (on average 1.6677685950413224) internal successors, (2018), 1274 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 2018 transitions. [2022-10-16 15:42:32,353 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 2018 transitions. Word has length 65 [2022-10-16 15:42:32,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:32,353 INFO L495 AbstractCegarLoop]: Abstraction has 1275 states and 2018 transitions. [2022-10-16 15:42:32,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 2018 transitions. [2022-10-16 15:42:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:42:32,355 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:32,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:32,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:42:32,356 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:32,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:32,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1540971716, now seen corresponding path program 1 times [2022-10-16 15:42:32,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:32,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420266659] [2022-10-16 15:42:32,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:32,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:32,475 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 15:42:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:32,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420266659] [2022-10-16 15:42:32,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420266659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:32,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:32,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:32,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018899848] [2022-10-16 15:42:32,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:32,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:32,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:32,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:32,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:32,478 INFO L87 Difference]: Start difference. First operand 1275 states and 2018 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:32,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:32,969 INFO L93 Difference]: Finished difference Result 3970 states and 6488 transitions. [2022-10-16 15:42:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:32,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 15:42:32,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:32,988 INFO L225 Difference]: With dead ends: 3970 [2022-10-16 15:42:32,988 INFO L226 Difference]: Without dead ends: 2952 [2022-10-16 15:42:32,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:32,994 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 943 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:32,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 777 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:33,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2022-10-16 15:42:33,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 2225. [2022-10-16 15:42:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2225 states, 2162 states have (on average 1.6799259944495837) internal successors, (3632), 2224 states have internal predecessors, (3632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:33,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 3632 transitions. [2022-10-16 15:42:33,271 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 3632 transitions. Word has length 67 [2022-10-16 15:42:33,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:33,271 INFO L495 AbstractCegarLoop]: Abstraction has 2225 states and 3632 transitions. [2022-10-16 15:42:33,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 3632 transitions. [2022-10-16 15:42:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:42:33,273 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:33,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:33,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:42:33,274 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:33,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:33,275 INFO L85 PathProgramCache]: Analyzing trace with hash 525483210, now seen corresponding path program 1 times [2022-10-16 15:42:33,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:33,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719637500] [2022-10-16 15:42:33,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:33,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:33,380 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 15:42:33,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:33,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719637500] [2022-10-16 15:42:33,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719637500] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:33,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:33,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:33,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427360143] [2022-10-16 15:42:33,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:33,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:33,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:33,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:33,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:33,383 INFO L87 Difference]: Start difference. First operand 2225 states and 3632 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:33,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:33,869 INFO L93 Difference]: Finished difference Result 2911 states and 4766 transitions. [2022-10-16 15:42:33,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:33,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 15:42:33,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:33,886 INFO L225 Difference]: With dead ends: 2911 [2022-10-16 15:42:33,886 INFO L226 Difference]: Without dead ends: 2908 [2022-10-16 15:42:33,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:33,888 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 940 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:33,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [940 Valid, 615 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:33,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2908 states. [2022-10-16 15:42:34,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2908 to 2871. [2022-10-16 15:42:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2810 states have (on average 1.6857651245551601) internal successors, (4737), 2870 states have internal predecessors, (4737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 4737 transitions. [2022-10-16 15:42:34,203 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 4737 transitions. Word has length 68 [2022-10-16 15:42:34,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:34,204 INFO L495 AbstractCegarLoop]: Abstraction has 2871 states and 4737 transitions. [2022-10-16 15:42:34,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 4737 transitions. [2022-10-16 15:42:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:42:34,205 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:34,206 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] [2022-10-16 15:42:34,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:42:34,206 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:34,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:34,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1816767380, now seen corresponding path program 1 times [2022-10-16 15:42:34,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:34,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457427578] [2022-10-16 15:42:34,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:34,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:34,302 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 15:42:34,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:34,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457427578] [2022-10-16 15:42:34,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457427578] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:34,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:34,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:34,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060019452] [2022-10-16 15:42:34,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:34,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:34,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:34,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:34,306 INFO L87 Difference]: Start difference. First operand 2871 states and 4737 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:35,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:35,214 INFO L93 Difference]: Finished difference Result 9909 states and 16625 transitions. [2022-10-16 15:42:35,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:35,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-16 15:42:35,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:35,261 INFO L225 Difference]: With dead ends: 9909 [2022-10-16 15:42:35,262 INFO L226 Difference]: Without dead ends: 7291 [2022-10-16 15:42:35,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:35,269 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 931 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:35,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 847 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:35,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7291 states. [2022-10-16 15:42:35,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7291 to 5025. [2022-10-16 15:42:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5025 states, 4966 states have (on average 1.6906967378171567) internal successors, (8396), 5024 states have internal predecessors, (8396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 5025 states and 8396 transitions. [2022-10-16 15:42:35,856 INFO L78 Accepts]: Start accepts. Automaton has 5025 states and 8396 transitions. Word has length 70 [2022-10-16 15:42:35,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:35,856 INFO L495 AbstractCegarLoop]: Abstraction has 5025 states and 8396 transitions. [2022-10-16 15:42:35,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 5025 states and 8396 transitions. [2022-10-16 15:42:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:42:35,858 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:35,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:35,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:42:35,858 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:35,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:35,859 INFO L85 PathProgramCache]: Analyzing trace with hash -485213655, now seen corresponding path program 1 times [2022-10-16 15:42:35,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:35,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308144076] [2022-10-16 15:42:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:35,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:35,957 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 15:42:35,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:35,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308144076] [2022-10-16 15:42:35,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308144076] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:35,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:35,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:35,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584041961] [2022-10-16 15:42:35,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:35,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:35,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:35,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:35,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:35,960 INFO L87 Difference]: Start difference. First operand 5025 states and 8396 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:36,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:36,788 INFO L93 Difference]: Finished difference Result 7612 states and 12764 transitions. [2022-10-16 15:42:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:36,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-10-16 15:42:36,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:36,833 INFO L225 Difference]: With dead ends: 7612 [2022-10-16 15:42:36,833 INFO L226 Difference]: Without dead ends: 7609 [2022-10-16 15:42:36,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:36,837 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 928 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:36,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 673 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:36,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2022-10-16 15:42:37,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7551. [2022-10-16 15:42:37,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7551 states, 7494 states have (on average 1.6913530824659728) internal successors, (12675), 7550 states have internal predecessors, (12675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7551 states to 7551 states and 12675 transitions. [2022-10-16 15:42:37,794 INFO L78 Accepts]: Start accepts. Automaton has 7551 states and 12675 transitions. Word has length 71 [2022-10-16 15:42:37,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:37,795 INFO L495 AbstractCegarLoop]: Abstraction has 7551 states and 12675 transitions. [2022-10-16 15:42:37,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7551 states and 12675 transitions. [2022-10-16 15:42:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 15:42:37,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:37,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:37,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:42:37,797 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:37,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:37,798 INFO L85 PathProgramCache]: Analyzing trace with hash 844109047, now seen corresponding path program 1 times [2022-10-16 15:42:37,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:37,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061735574] [2022-10-16 15:42:37,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:37,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:37,933 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 15:42:37,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:37,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061735574] [2022-10-16 15:42:37,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061735574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:37,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:37,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:37,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040255337] [2022-10-16 15:42:37,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:37,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:37,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:37,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:37,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:37,937 INFO L87 Difference]: Start difference. First operand 7551 states and 12675 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:39,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:39,812 INFO L93 Difference]: Finished difference Result 17250 states and 29175 transitions. [2022-10-16 15:42:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:39,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-10-16 15:42:39,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:39,873 INFO L225 Difference]: With dead ends: 17250 [2022-10-16 15:42:39,873 INFO L226 Difference]: Without dead ends: 17246 [2022-10-16 15:42:39,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:39,882 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 909 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:39,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 1112 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:39,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17246 states. [2022-10-16 15:42:41,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17246 to 13247. [2022-10-16 15:42:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13247 states, 13191 states have (on average 1.6945644757789402) internal successors, (22353), 13246 states have internal predecessors, (22353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:41,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13247 states to 13247 states and 22353 transitions. [2022-10-16 15:42:41,178 INFO L78 Accepts]: Start accepts. Automaton has 13247 states and 22353 transitions. Word has length 81 [2022-10-16 15:42:41,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:41,179 INFO L495 AbstractCegarLoop]: Abstraction has 13247 states and 22353 transitions. [2022-10-16 15:42:41,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 13247 states and 22353 transitions. [2022-10-16 15:42:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:42:41,180 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:41,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:41,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:42:41,181 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:41,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:41,182 INFO L85 PathProgramCache]: Analyzing trace with hash 397576989, now seen corresponding path program 1 times [2022-10-16 15:42:41,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:41,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133583223] [2022-10-16 15:42:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:41,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:41,283 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 15:42:41,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:41,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133583223] [2022-10-16 15:42:41,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133583223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:41,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:41,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:41,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750370381] [2022-10-16 15:42:41,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:41,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:41,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:41,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:41,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:41,286 INFO L87 Difference]: Start difference. First operand 13247 states and 22353 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:43,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:43,617 INFO L93 Difference]: Finished difference Result 17930 states and 30289 transitions. [2022-10-16 15:42:43,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:43,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 15:42:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:43,668 INFO L225 Difference]: With dead ends: 17930 [2022-10-16 15:42:43,669 INFO L226 Difference]: Without dead ends: 17926 [2022-10-16 15:42:43,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:43,677 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 965 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:43,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 724 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:43,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17926 states. [2022-10-16 15:42:45,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17926 to 17891. [2022-10-16 15:42:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17891 states, 17836 states have (on average 1.6907938999775733) internal successors, (30157), 17890 states have internal predecessors, (30157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:45,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17891 states to 17891 states and 30157 transitions. [2022-10-16 15:42:45,464 INFO L78 Accepts]: Start accepts. Automaton has 17891 states and 30157 transitions. Word has length 82 [2022-10-16 15:42:45,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:45,465 INFO L495 AbstractCegarLoop]: Abstraction has 17891 states and 30157 transitions. [2022-10-16 15:42:45,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:45,466 INFO L276 IsEmpty]: Start isEmpty. Operand 17891 states and 30157 transitions. [2022-10-16 15:42:45,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:42:45,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:45,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:45,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:42:45,467 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:45,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:45,468 INFO L85 PathProgramCache]: Analyzing trace with hash -560014919, now seen corresponding path program 1 times [2022-10-16 15:42:45,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:45,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553189522] [2022-10-16 15:42:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:45,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:45,593 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 15:42:45,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:45,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553189522] [2022-10-16 15:42:45,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553189522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:45,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:45,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:42:45,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865154751] [2022-10-16 15:42:45,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:45,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:42:45,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:45,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:42:45,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:45,596 INFO L87 Difference]: Start difference. First operand 17891 states and 30157 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:49,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:49,850 INFO L93 Difference]: Finished difference Result 58381 states and 98607 transitions. [2022-10-16 15:42:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 15:42:49,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2022-10-16 15:42:49,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:49,961 INFO L225 Difference]: With dead ends: 58381 [2022-10-16 15:42:49,962 INFO L226 Difference]: Without dead ends: 40737 [2022-10-16 15:42:50,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:42:50,004 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 1637 mSDsluCounter, 1765 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 2155 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:50,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 2155 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:42:50,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40737 states. [2022-10-16 15:42:53,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40737 to 32883. [2022-10-16 15:42:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32883 states, 32829 states have (on average 1.6839379816625544) internal successors, (55282), 32882 states have internal predecessors, (55282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:53,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32883 states to 32883 states and 55282 transitions. [2022-10-16 15:42:53,251 INFO L78 Accepts]: Start accepts. Automaton has 32883 states and 55282 transitions. Word has length 83 [2022-10-16 15:42:53,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:53,252 INFO L495 AbstractCegarLoop]: Abstraction has 32883 states and 55282 transitions. [2022-10-16 15:42:53,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:53,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32883 states and 55282 transitions. [2022-10-16 15:42:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:42:53,254 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:53,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:42:53,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:42:53,254 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:42:53,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:53,255 INFO L85 PathProgramCache]: Analyzing trace with hash -180592993, now seen corresponding path program 1 times [2022-10-16 15:42:53,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:53,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913648045] [2022-10-16 15:42:53,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:53,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:53,387 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 15:42:53,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:53,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913648045] [2022-10-16 15:42:53,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913648045] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:53,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:53,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:42:53,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417814941] [2022-10-16 15:42:53,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:53,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:42:53,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:53,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:42:53,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:53,390 INFO L87 Difference]: Start difference. First operand 32883 states and 55282 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:42:57,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:57,349 INFO L93 Difference]: Finished difference Result 44356 states and 74632 transitions. [2022-10-16 15:42:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:42:57,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-10-16 15:42:57,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:57,431 INFO L225 Difference]: With dead ends: 44356 [2022-10-16 15:42:57,431 INFO L226 Difference]: Without dead ends: 44352 [2022-10-16 15:42:57,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:42:57,443 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 1688 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:57,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 1288 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:42:57,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44352 states. [2022-10-16 15:43:01,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44352 to 44267. [2022-10-16 15:43:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44267 states, 44214 states have (on average 1.6784276473515176) internal successors, (74210), 44266 states have internal predecessors, (74210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44267 states to 44267 states and 74210 transitions. [2022-10-16 15:43:01,527 INFO L78 Accepts]: Start accepts. Automaton has 44267 states and 74210 transitions. Word has length 84 [2022-10-16 15:43:01,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:01,527 INFO L495 AbstractCegarLoop]: Abstraction has 44267 states and 74210 transitions. [2022-10-16 15:43:01,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:01,528 INFO L276 IsEmpty]: Start isEmpty. Operand 44267 states and 74210 transitions. [2022-10-16 15:43:01,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:43:01,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:01,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:43:01,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:43:01,529 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:43:01,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:01,530 INFO L85 PathProgramCache]: Analyzing trace with hash 758250020, now seen corresponding path program 1 times [2022-10-16 15:43:01,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:01,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847431490] [2022-10-16 15:43:01,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:01,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:01,631 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 15:43:01,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:01,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847431490] [2022-10-16 15:43:01,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847431490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:01,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:01,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:01,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147403122] [2022-10-16 15:43:01,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:01,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:01,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:01,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:01,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:01,633 INFO L87 Difference]: Start difference. First operand 44267 states and 74210 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:05,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:05,605 INFO L93 Difference]: Finished difference Result 44267 states and 74210 transitions. [2022-10-16 15:43:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:05,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 15:43:05,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:05,676 INFO L225 Difference]: With dead ends: 44267 [2022-10-16 15:43:05,676 INFO L226 Difference]: Without dead ends: 44265 [2022-10-16 15:43:05,687 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 15:43:05,688 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 43 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:05,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 789 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:05,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44265 states. [2022-10-16 15:43:09,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44265 to 44265. [2022-10-16 15:43:09,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44265 states, 44214 states have (on average 1.678382412810422) internal successors, (74208), 44264 states have internal predecessors, (74208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44265 states to 44265 states and 74208 transitions. [2022-10-16 15:43:09,694 INFO L78 Accepts]: Start accepts. Automaton has 44265 states and 74208 transitions. Word has length 88 [2022-10-16 15:43:09,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:09,694 INFO L495 AbstractCegarLoop]: Abstraction has 44265 states and 74208 transitions. [2022-10-16 15:43:09,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 44265 states and 74208 transitions. [2022-10-16 15:43:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:43:09,696 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:09,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:43:09,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:43:09,696 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:43:09,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:09,697 INFO L85 PathProgramCache]: Analyzing trace with hash -231084567, now seen corresponding path program 1 times [2022-10-16 15:43:09,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:09,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471279402] [2022-10-16 15:43:09,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:09,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:09,796 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 15:43:09,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:09,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471279402] [2022-10-16 15:43:09,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471279402] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:09,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:09,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:09,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547063380] [2022-10-16 15:43:09,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:09,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:09,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:09,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:09,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:09,801 INFO L87 Difference]: Start difference. First operand 44265 states and 74208 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:13,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:13,808 INFO L93 Difference]: Finished difference Result 44265 states and 74208 transitions. [2022-10-16 15:43:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:13,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:43:13,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:13,885 INFO L225 Difference]: With dead ends: 44265 [2022-10-16 15:43:13,885 INFO L226 Difference]: Without dead ends: 44263 [2022-10-16 15:43:13,897 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 15:43:13,898 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 351 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:13,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 416 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:13,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44263 states. [2022-10-16 15:43:17,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44263 to 44263. [2022-10-16 15:43:17,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44263 states, 44214 states have (on average 1.6692450355091148) internal successors, (73804), 44262 states have internal predecessors, (73804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:17,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44263 states to 44263 states and 73804 transitions. [2022-10-16 15:43:17,910 INFO L78 Accepts]: Start accepts. Automaton has 44263 states and 73804 transitions. Word has length 92 [2022-10-16 15:43:17,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:17,911 INFO L495 AbstractCegarLoop]: Abstraction has 44263 states and 73804 transitions. [2022-10-16 15:43:17,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 44263 states and 73804 transitions. [2022-10-16 15:43:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:43:17,912 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:17,912 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] [2022-10-16 15:43:17,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:43:17,912 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:43:17,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:17,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1426313352, now seen corresponding path program 1 times [2022-10-16 15:43:17,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:17,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17332923] [2022-10-16 15:43:17,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:17,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:18,005 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 15:43:18,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:18,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17332923] [2022-10-16 15:43:18,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17332923] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:18,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:18,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:18,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664911150] [2022-10-16 15:43:18,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:18,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:18,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:18,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:18,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:18,008 INFO L87 Difference]: Start difference. First operand 44263 states and 73804 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:22,074 INFO L93 Difference]: Finished difference Result 44263 states and 73804 transitions. [2022-10-16 15:43:22,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:22,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 15:43:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:22,139 INFO L225 Difference]: With dead ends: 44263 [2022-10-16 15:43:22,140 INFO L226 Difference]: Without dead ends: 44261 [2022-10-16 15:43:22,151 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 15:43:22,152 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 348 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:22,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 416 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:22,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44261 states. [2022-10-16 15:43:26,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44261 to 44261. [2022-10-16 15:43:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44261 states, 44214 states have (on average 1.6601076582078076) internal successors, (73400), 44260 states have internal predecessors, (73400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44261 states to 44261 states and 73400 transitions. [2022-10-16 15:43:26,394 INFO L78 Accepts]: Start accepts. Automaton has 44261 states and 73400 transitions. Word has length 93 [2022-10-16 15:43:26,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:26,395 INFO L495 AbstractCegarLoop]: Abstraction has 44261 states and 73400 transitions. [2022-10-16 15:43:26,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 44261 states and 73400 transitions. [2022-10-16 15:43:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 15:43:26,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:26,396 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] [2022-10-16 15:43:26,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:43:26,396 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:43:26,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:26,397 INFO L85 PathProgramCache]: Analyzing trace with hash 576786818, now seen corresponding path program 1 times [2022-10-16 15:43:26,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:26,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570827635] [2022-10-16 15:43:26,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:26,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:26,502 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 15:43:26,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:26,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570827635] [2022-10-16 15:43:26,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570827635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:26,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:26,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:26,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221108095] [2022-10-16 15:43:26,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:26,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:26,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:26,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:26,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:26,505 INFO L87 Difference]: Start difference. First operand 44261 states and 73400 transitions. Second operand has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:30,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:30,955 INFO L93 Difference]: Finished difference Result 44261 states and 73400 transitions. [2022-10-16 15:43:30,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:30,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-10-16 15:43:30,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:31,021 INFO L225 Difference]: With dead ends: 44261 [2022-10-16 15:43:31,022 INFO L226 Difference]: Without dead ends: 44259 [2022-10-16 15:43:31,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:31,037 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 339 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:31,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 427 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:31,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44259 states. [2022-10-16 15:43:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44259 to 44259. [2022-10-16 15:43:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44259 states, 44214 states have (on average 1.649590627403085) internal successors, (72935), 44258 states have internal predecessors, (72935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44259 states to 44259 states and 72935 transitions. [2022-10-16 15:43:35,230 INFO L78 Accepts]: Start accepts. Automaton has 44259 states and 72935 transitions. Word has length 100 [2022-10-16 15:43:35,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:35,231 INFO L495 AbstractCegarLoop]: Abstraction has 44259 states and 72935 transitions. [2022-10-16 15:43:35,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:35,231 INFO L276 IsEmpty]: Start isEmpty. Operand 44259 states and 72935 transitions. [2022-10-16 15:43:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:43:35,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:35,232 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] [2022-10-16 15:43:35,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:43:35,232 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:43:35,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:35,233 INFO L85 PathProgramCache]: Analyzing trace with hash 700522540, now seen corresponding path program 1 times [2022-10-16 15:43:35,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:35,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873169526] [2022-10-16 15:43:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:35,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:35,342 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 15:43:35,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:35,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873169526] [2022-10-16 15:43:35,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873169526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:35,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:35,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:35,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551902695] [2022-10-16 15:43:35,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:35,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:35,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:35,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:35,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:35,346 INFO L87 Difference]: Start difference. First operand 44259 states and 72935 transitions. Second operand has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:39,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:39,762 INFO L93 Difference]: Finished difference Result 44259 states and 72935 transitions. [2022-10-16 15:43:39,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:39,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2022-10-16 15:43:39,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:39,830 INFO L225 Difference]: With dead ends: 44259 [2022-10-16 15:43:39,830 INFO L226 Difference]: Without dead ends: 44257 [2022-10-16 15:43:39,839 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 15:43:39,840 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 336 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:39,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 427 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44257 states. [2022-10-16 15:43:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44257 to 44257. [2022-10-16 15:43:44,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44257 states, 44214 states have (on average 1.6390735965983625) internal successors, (72470), 44256 states have internal predecessors, (72470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44257 states to 44257 states and 72470 transitions. [2022-10-16 15:43:44,395 INFO L78 Accepts]: Start accepts. Automaton has 44257 states and 72470 transitions. Word has length 101 [2022-10-16 15:43:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:44,395 INFO L495 AbstractCegarLoop]: Abstraction has 44257 states and 72470 transitions. [2022-10-16 15:43:44,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 44257 states and 72470 transitions. [2022-10-16 15:43:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:43:44,396 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:44,396 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] [2022-10-16 15:43:44,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:43:44,396 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:43:44,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash -518480613, now seen corresponding path program 1 times [2022-10-16 15:43:44,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:44,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995318756] [2022-10-16 15:43:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:44,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:44,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:43:44,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:44,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995318756] [2022-10-16 15:43:44,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995318756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:44,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:44,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:44,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068471594] [2022-10-16 15:43:44,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:44,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:44,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:44,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:44,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:44,491 INFO L87 Difference]: Start difference. First operand 44257 states and 72470 transitions. Second operand has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:48,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:48,920 INFO L93 Difference]: Finished difference Result 44257 states and 72470 transitions. [2022-10-16 15:43:48,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:48,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 15:43:48,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:48,981 INFO L225 Difference]: With dead ends: 44257 [2022-10-16 15:43:48,982 INFO L226 Difference]: Without dead ends: 44255 [2022-10-16 15:43:48,992 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 15:43:48,993 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:48,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 423 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:49,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44255 states. [2022-10-16 15:43:53,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44255 to 44255. [2022-10-16 15:43:53,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44255 states, 44214 states have (on average 1.6280363685710408) internal successors, (71982), 44254 states have internal predecessors, (71982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44255 states to 44255 states and 71982 transitions. [2022-10-16 15:43:53,669 INFO L78 Accepts]: Start accepts. Automaton has 44255 states and 71982 transitions. Word has length 106 [2022-10-16 15:43:53,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:53,669 INFO L495 AbstractCegarLoop]: Abstraction has 44255 states and 71982 transitions. [2022-10-16 15:43:53,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 44255 states and 71982 transitions. [2022-10-16 15:43:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:43:53,670 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:53,670 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] [2022-10-16 15:43:53,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:43:53,670 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:43:53,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:53,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1106970573, now seen corresponding path program 1 times [2022-10-16 15:43:53,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:53,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347866994] [2022-10-16 15:43:53,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:53,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:53,808 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 15:43:53,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:53,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347866994] [2022-10-16 15:43:53,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347866994] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:53,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:53,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:53,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733624626] [2022-10-16 15:43:53,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:53,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:53,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:53,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:53,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:53,812 INFO L87 Difference]: Start difference. First operand 44255 states and 71982 transitions. Second operand has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:43:58,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:58,607 INFO L93 Difference]: Finished difference Result 44255 states and 71982 transitions. [2022-10-16 15:43:58,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:58,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-10-16 15:43:58,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:58,683 INFO L225 Difference]: With dead ends: 44255 [2022-10-16 15:43:58,683 INFO L226 Difference]: Without dead ends: 44253 [2022-10-16 15:43:58,692 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 15:43:58,695 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 326 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:58,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 423 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:58,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44253 states. [2022-10-16 15:44:03,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44253 to 44253. [2022-10-16 15:44:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44253 states, 44214 states have (on average 1.6169991405437192) internal successors, (71494), 44252 states have internal predecessors, (71494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44253 states to 44253 states and 71494 transitions. [2022-10-16 15:44:03,427 INFO L78 Accepts]: Start accepts. Automaton has 44253 states and 71494 transitions. Word has length 107 [2022-10-16 15:44:03,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:03,427 INFO L495 AbstractCegarLoop]: Abstraction has 44253 states and 71494 transitions. [2022-10-16 15:44:03,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 44253 states and 71494 transitions. [2022-10-16 15:44:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:44:03,428 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:03,428 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] [2022-10-16 15:44:03,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:44:03,429 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:44:03,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:03,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1007787755, now seen corresponding path program 1 times [2022-10-16 15:44:03,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:03,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125519291] [2022-10-16 15:44:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:03,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:03,567 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 15:44:03,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:03,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125519291] [2022-10-16 15:44:03,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125519291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:03,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:03,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:44:03,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699334430] [2022-10-16 15:44:03,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:03,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:44:03,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:03,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:44:03,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:44:03,570 INFO L87 Difference]: Start difference. First operand 44253 states and 71494 transitions. Second operand has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:09,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:44:09,813 INFO L93 Difference]: Finished difference Result 55420 states and 89678 transitions. [2022-10-16 15:44:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:44:09,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 15:44:09,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:44:09,912 INFO L225 Difference]: With dead ends: 55420 [2022-10-16 15:44:09,912 INFO L226 Difference]: Without dead ends: 55415 [2022-10-16 15:44:09,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:44:09,927 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 762 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:44:09,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 870 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:44:09,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55415 states. [2022-10-16 15:44:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55415 to 55374. [2022-10-16 15:44:16,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55374 states, 55337 states have (on average 1.611905235195258) internal successors, (89198), 55373 states have internal predecessors, (89198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:16,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55374 states to 55374 states and 89198 transitions. [2022-10-16 15:44:16,307 INFO L78 Accepts]: Start accepts. Automaton has 55374 states and 89198 transitions. Word has length 111 [2022-10-16 15:44:16,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:16,307 INFO L495 AbstractCegarLoop]: Abstraction has 55374 states and 89198 transitions. [2022-10-16 15:44:16,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 55374 states and 89198 transitions. [2022-10-16 15:44:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:44:16,308 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:16,309 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] [2022-10-16 15:44:16,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:44:16,309 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:44:16,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:16,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1176649748, now seen corresponding path program 1 times [2022-10-16 15:44:16,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:16,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118630193] [2022-10-16 15:44:16,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:16,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:16,440 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 15:44:16,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:16,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118630193] [2022-10-16 15:44:16,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118630193] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:16,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:16,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:44:16,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602682482] [2022-10-16 15:44:16,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:16,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:44:16,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:16,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:44:16,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:44:16,443 INFO L87 Difference]: Start difference. First operand 55374 states and 89198 transitions. Second operand has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:23,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:44:23,814 INFO L93 Difference]: Finished difference Result 66094 states and 106668 transitions. [2022-10-16 15:44:23,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:44:23,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 15:44:23,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:44:23,915 INFO L225 Difference]: With dead ends: 66094 [2022-10-16 15:44:23,915 INFO L226 Difference]: Without dead ends: 66089 [2022-10-16 15:44:23,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:44:23,929 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 766 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:44:23,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 710 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:44:23,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66089 states. [2022-10-16 15:44:31,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66089 to 66066. [2022-10-16 15:44:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66066 states, 66031 states have (on average 1.597370931835047) internal successors, (105476), 66065 states have internal predecessors, (105476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66066 states to 66066 states and 105476 transitions. [2022-10-16 15:44:31,544 INFO L78 Accepts]: Start accepts. Automaton has 66066 states and 105476 transitions. Word has length 112 [2022-10-16 15:44:31,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:31,544 INFO L495 AbstractCegarLoop]: Abstraction has 66066 states and 105476 transitions. [2022-10-16 15:44:31,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 66066 states and 105476 transitions. [2022-10-16 15:44:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:44:31,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:31,545 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] [2022-10-16 15:44:31,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:44:31,545 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:44:31,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:31,546 INFO L85 PathProgramCache]: Analyzing trace with hash 2116404237, now seen corresponding path program 1 times [2022-10-16 15:44:31,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:31,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279377220] [2022-10-16 15:44:31,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:31,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:31,699 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 15:44:31,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:31,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279377220] [2022-10-16 15:44:31,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279377220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:31,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:31,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:44:31,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053874521] [2022-10-16 15:44:31,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:31,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:44:31,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:31,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:44:31,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:44:31,701 INFO L87 Difference]: Start difference. First operand 66066 states and 105476 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:40,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:44:40,393 INFO L93 Difference]: Finished difference Result 120638 states and 192217 transitions. [2022-10-16 15:44:40,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:44:40,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 15:44:40,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:44:40,513 INFO L225 Difference]: With dead ends: 120638 [2022-10-16 15:44:40,513 INFO L226 Difference]: Without dead ends: 71525 [2022-10-16 15:44:40,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:44:40,573 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 1277 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:44:40,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 1268 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:44:40,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71525 states. [2022-10-16 15:44:48,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71525 to 70420. [2022-10-16 15:44:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70420 states, 70386 states have (on average 1.5945216378257039) internal successors, (112232), 70419 states have internal predecessors, (112232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70420 states to 70420 states and 112232 transitions. [2022-10-16 15:44:48,918 INFO L78 Accepts]: Start accepts. Automaton has 70420 states and 112232 transitions. Word has length 113 [2022-10-16 15:44:48,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:48,918 INFO L495 AbstractCegarLoop]: Abstraction has 70420 states and 112232 transitions. [2022-10-16 15:44:48,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:44:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 70420 states and 112232 transitions. [2022-10-16 15:44:48,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:44:48,919 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:48,919 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] [2022-10-16 15:44:48,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:44:48,920 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:44:48,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:48,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1184022326, now seen corresponding path program 1 times [2022-10-16 15:44:48,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:48,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081355775] [2022-10-16 15:44:48,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:48,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:49,077 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 15:44:49,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:49,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081355775] [2022-10-16 15:44:49,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081355775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:49,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:49,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:44:49,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028638725] [2022-10-16 15:44:49,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:49,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:44:49,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:49,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:44:49,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:44:49,080 INFO L87 Difference]: Start difference. First operand 70420 states and 112232 transitions. Second operand has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:02,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:02,606 INFO L93 Difference]: Finished difference Result 166394 states and 265792 transitions. [2022-10-16 15:45:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:45:02,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 15:45:02,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:02,868 INFO L225 Difference]: With dead ends: 166394 [2022-10-16 15:45:02,868 INFO L226 Difference]: Without dead ends: 113913 [2022-10-16 15:45:03,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:45:03,146 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 1278 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:03,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 955 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:45:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113913 states. [2022-10-16 15:45:15,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113913 to 94527. [2022-10-16 15:45:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94527 states, 94495 states have (on average 1.600592623948357) internal successors, (151248), 94526 states have internal predecessors, (151248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:15,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94527 states to 94527 states and 151248 transitions. [2022-10-16 15:45:15,497 INFO L78 Accepts]: Start accepts. Automaton has 94527 states and 151248 transitions. Word has length 114 [2022-10-16 15:45:15,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:15,498 INFO L495 AbstractCegarLoop]: Abstraction has 94527 states and 151248 transitions. [2022-10-16 15:45:15,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.5) internal successors, (114), 5 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:45:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 94527 states and 151248 transitions. [2022-10-16 15:45:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 15:45:15,499 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:15,499 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] [2022-10-16 15:45:15,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:45:15,499 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2022-10-16 15:45:15,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:15,500 INFO L85 PathProgramCache]: Analyzing trace with hash -320864648, now seen corresponding path program 1 times [2022-10-16 15:45:15,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:15,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358972060] [2022-10-16 15:45:15,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:15,625 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 15:45:15,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:15,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358972060] [2022-10-16 15:45:15,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358972060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:15,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:15,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:45:15,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568498947] [2022-10-16 15:45:15,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:15,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:45:15,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:15,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:45:15,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:45:15,627 INFO L87 Difference]: Start difference. First operand 94527 states and 151248 transitions. Second operand has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)