/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:47:01,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:47:01,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:47:01,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:47:01,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:47:01,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:47:01,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:47:01,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:47:01,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:47:01,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:47:01,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:47:01,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:47:01,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:47:01,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:47:01,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:47:01,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:47:01,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:47:01,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:47:01,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:47:01,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:47:01,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:47:01,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:47:01,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:47:01,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:47:02,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:47:02,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:47:02,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:47:02,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:47:02,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:47:02,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:47:02,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:47:02,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:47:02,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:47:02,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:47:02,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:47:02,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:47:02,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:47:02,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:47:02,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:47:02,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:47:02,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:47:02,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:47:02,072 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:47:02,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:47:02,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:47:02,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:47:02,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:47:02,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:47:02,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:47:02,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:47:02,078 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:47:02,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:47:02,079 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:47:02,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:47:02,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:47:02,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:47:02,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:47:02,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:47:02,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:47:02,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:47:02,081 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:47:02,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:47:02,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:47:02,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:47:02,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:47:02,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:47:02,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:47:02,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:47:02,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:47:02,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:47:02,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:47:02,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:47:02,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:47:02,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:47:02,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:47:02,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:47:02,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:47:02,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:47:02,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:47:02,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:47:02,591 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:47:02,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:47:02,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b78145f/daed33e74e3a48c286822471f6129a4e/FLAG9e0e6ad94 [2022-10-16 16:47:03,461 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:47:03,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:47:03,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b78145f/daed33e74e3a48c286822471f6129a4e/FLAG9e0e6ad94 [2022-10-16 16:47:03,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b78145f/daed33e74e3a48c286822471f6129a4e [2022-10-16 16:47:03,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:47:03,647 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:47:03,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:47:03,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:47:03,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:47:03,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:47:03" (1/1) ... [2022-10-16 16:47:03,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22922ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:03, skipping insertion in model container [2022-10-16 16:47:03,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:47:03" (1/1) ... [2022-10-16 16:47:03,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:47:03,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:47:04,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[26790,26803] [2022-10-16 16:47:04,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:47:04,760 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:47:05,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[26790,26803] [2022-10-16 16:47:05,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:47:05,297 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:47:05,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05 WrapperNode [2022-10-16 16:47:05,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:47:05,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:47:05,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:47:05,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:47:05,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,434 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2567 [2022-10-16 16:47:05,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:47:05,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:47:05,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:47:05,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:47:05,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:47:05,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:47:05,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:47:05,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:47:05,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (1/1) ... [2022-10-16 16:47:05,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:47:05,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:47:05,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:47:05,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:47:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:47:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:47:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:47:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:47:05,934 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:47:05,936 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:47:08,321 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:47:08,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:47:08,347 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:47:08,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:47:08 BoogieIcfgContainer [2022-10-16 16:47:08,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:47:08,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:47:08,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:47:08,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:47:08,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:47:03" (1/3) ... [2022-10-16 16:47:08,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1d945a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:47:08, skipping insertion in model container [2022-10-16 16:47:08,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:47:05" (2/3) ... [2022-10-16 16:47:08,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1d945a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:47:08, skipping insertion in model container [2022-10-16 16:47:08,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:47:08" (3/3) ... [2022-10-16 16:47:08,364 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:47:08,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:47:08,388 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 166 error locations. [2022-10-16 16:47:08,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:47:08,509 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;@5925da32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:47:08,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 166 error locations. [2022-10-16 16:47:08,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 973 states, 806 states have (on average 1.8312655086848635) internal successors, (1476), 972 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:08,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:47:08,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:08,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:08,545 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:08,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:08,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1051274553, now seen corresponding path program 1 times [2022-10-16 16:47:08,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:08,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304532239] [2022-10-16 16:47:08,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:08,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:09,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:09,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304532239] [2022-10-16 16:47:09,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304532239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:09,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:09,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:09,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785555043] [2022-10-16 16:47:09,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:09,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:09,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:09,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:09,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:09,528 INFO L87 Difference]: Start difference. First operand has 973 states, 806 states have (on average 1.8312655086848635) internal successors, (1476), 972 states have internal predecessors, (1476), 0 states have call successors, (0), 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 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:10,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:10,082 INFO L93 Difference]: Finished difference Result 1306 states and 1969 transitions. [2022-10-16 16:47:10,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:10,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-10-16 16:47:10,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:10,118 INFO L225 Difference]: With dead ends: 1306 [2022-10-16 16:47:10,119 INFO L226 Difference]: Without dead ends: 1262 [2022-10-16 16:47:10,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:10,130 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 1311 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 2087 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:10,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 2087 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:47:10,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-10-16 16:47:10,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1208. [2022-10-16 16:47:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 1072 states have (on average 1.6436567164179106) internal successors, (1762), 1207 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:10,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1762 transitions. [2022-10-16 16:47:10,289 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1762 transitions. Word has length 122 [2022-10-16 16:47:10,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:10,291 INFO L495 AbstractCegarLoop]: Abstraction has 1208 states and 1762 transitions. [2022-10-16 16:47:10,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.0) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1762 transitions. [2022-10-16 16:47:10,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:47:10,303 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:10,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:10,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:47:10,305 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:10,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1770226712, now seen corresponding path program 1 times [2022-10-16 16:47:10,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:10,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578365429] [2022-10-16 16:47:10,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:10,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:10,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:10,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578365429] [2022-10-16 16:47:10,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578365429] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:10,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:10,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:10,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373389658] [2022-10-16 16:47:10,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:10,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:10,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:10,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:10,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:10,647 INFO L87 Difference]: Start difference. First operand 1208 states and 1762 transitions. Second operand has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:11,018 INFO L93 Difference]: Finished difference Result 1267 states and 1762 transitions. [2022-10-16 16:47:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:11,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 16:47:11,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:11,027 INFO L225 Difference]: With dead ends: 1267 [2022-10-16 16:47:11,028 INFO L226 Difference]: Without dead ends: 1256 [2022-10-16 16:47:11,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:11,031 INFO L413 NwaCegarLoop]: 1572 mSDtfsCounter, 1170 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 1935 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:11,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 1935 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:11,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2022-10-16 16:47:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1202. [2022-10-16 16:47:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1202 states, 1072 states have (on average 1.6333955223880596) internal successors, (1751), 1201 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1202 states and 1751 transitions. [2022-10-16 16:47:11,102 INFO L78 Accepts]: Start accepts. Automaton has 1202 states and 1751 transitions. Word has length 123 [2022-10-16 16:47:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:11,105 INFO L495 AbstractCegarLoop]: Abstraction has 1202 states and 1751 transitions. [2022-10-16 16:47:11,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 61.5) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1751 transitions. [2022-10-16 16:47:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 16:47:11,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:11,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:11,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:47:11,116 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:11,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:11,122 INFO L85 PathProgramCache]: Analyzing trace with hash 957547291, now seen corresponding path program 1 times [2022-10-16 16:47:11,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:11,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720027691] [2022-10-16 16:47:11,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:11,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:11,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:11,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720027691] [2022-10-16 16:47:11,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720027691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:11,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:11,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:11,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992335822] [2022-10-16 16:47:11,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:11,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:11,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:11,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:11,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:11,506 INFO L87 Difference]: Start difference. First operand 1202 states and 1751 transitions. Second operand has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:11,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:11,920 INFO L93 Difference]: Finished difference Result 1445 states and 2082 transitions. [2022-10-16 16:47:11,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:11,921 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-10-16 16:47:11,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:11,930 INFO L225 Difference]: With dead ends: 1445 [2022-10-16 16:47:11,931 INFO L226 Difference]: Without dead ends: 1434 [2022-10-16 16:47:11,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:11,934 INFO L413 NwaCegarLoop]: 1545 mSDtfsCounter, 1152 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:11,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 1896 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:11,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2022-10-16 16:47:12,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1390. [2022-10-16 16:47:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1390 states, 1266 states have (on average 1.6358609794628751) internal successors, (2071), 1389 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 2071 transitions. [2022-10-16 16:47:12,038 INFO L78 Accepts]: Start accepts. Automaton has 1390 states and 2071 transitions. Word has length 124 [2022-10-16 16:47:12,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:12,039 INFO L495 AbstractCegarLoop]: Abstraction has 1390 states and 2071 transitions. [2022-10-16 16:47:12,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 2071 transitions. [2022-10-16 16:47:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 16:47:12,042 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:12,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:12,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:47:12,042 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:12,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:12,043 INFO L85 PathProgramCache]: Analyzing trace with hash -380804534, now seen corresponding path program 1 times [2022-10-16 16:47:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:12,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456999576] [2022-10-16 16:47:12,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:12,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:12,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456999576] [2022-10-16 16:47:12,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456999576] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:12,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:12,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:12,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278127358] [2022-10-16 16:47:12,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:12,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:12,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:12,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:12,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:12,369 INFO L87 Difference]: Start difference. First operand 1390 states and 2071 transitions. Second operand has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:12,778 INFO L93 Difference]: Finished difference Result 1439 states and 2071 transitions. [2022-10-16 16:47:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:12,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-10-16 16:47:12,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:12,787 INFO L225 Difference]: With dead ends: 1439 [2022-10-16 16:47:12,787 INFO L226 Difference]: Without dead ends: 1428 [2022-10-16 16:47:12,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:12,791 INFO L413 NwaCegarLoop]: 1545 mSDtfsCounter, 1145 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:12,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 1896 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:12,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2022-10-16 16:47:12,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1384. [2022-10-16 16:47:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 1266 states have (on average 1.6271721958925751) internal successors, (2060), 1383 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 2060 transitions. [2022-10-16 16:47:12,913 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 2060 transitions. Word has length 125 [2022-10-16 16:47:12,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:12,914 INFO L495 AbstractCegarLoop]: Abstraction has 1384 states and 2060 transitions. [2022-10-16 16:47:12,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 2060 transitions. [2022-10-16 16:47:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 16:47:12,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:12,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:12,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:47:12,917 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:12,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:12,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1079961853, now seen corresponding path program 1 times [2022-10-16 16:47:12,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:12,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489840482] [2022-10-16 16:47:12,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:12,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:13,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:13,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:13,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489840482] [2022-10-16 16:47:13,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489840482] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:13,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:13,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:13,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942527481] [2022-10-16 16:47:13,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:13,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:13,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:13,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:13,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:13,170 INFO L87 Difference]: Start difference. First operand 1384 states and 2060 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:13,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:13,544 INFO L93 Difference]: Finished difference Result 1840 states and 2801 transitions. [2022-10-16 16:47:13,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:13,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 16:47:13,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:13,556 INFO L225 Difference]: With dead ends: 1840 [2022-10-16 16:47:13,556 INFO L226 Difference]: Without dead ends: 1829 [2022-10-16 16:47:13,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:13,559 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 1146 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:13,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 1417 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:13,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2022-10-16 16:47:13,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1825. [2022-10-16 16:47:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1825 states, 1716 states have (on average 1.6217948717948718) internal successors, (2783), 1824 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2783 transitions. [2022-10-16 16:47:13,733 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2783 transitions. Word has length 126 [2022-10-16 16:47:13,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:13,734 INFO L495 AbstractCegarLoop]: Abstraction has 1825 states and 2783 transitions. [2022-10-16 16:47:13,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2783 transitions. [2022-10-16 16:47:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 16:47:13,737 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:13,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:13,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:47:13,738 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:13,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:13,741 INFO L85 PathProgramCache]: Analyzing trace with hash -880920404, now seen corresponding path program 1 times [2022-10-16 16:47:13,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:13,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603104171] [2022-10-16 16:47:13,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:14,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:14,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603104171] [2022-10-16 16:47:14,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603104171] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:14,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:14,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:47:14,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90332091] [2022-10-16 16:47:14,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:14,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:47:14,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:14,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:47:14,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:14,047 INFO L87 Difference]: Start difference. First operand 1825 states and 2783 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:14,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:14,614 INFO L93 Difference]: Finished difference Result 2620 states and 4042 transitions. [2022-10-16 16:47:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:47:14,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 127 [2022-10-16 16:47:14,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:14,632 INFO L225 Difference]: With dead ends: 2620 [2022-10-16 16:47:14,633 INFO L226 Difference]: Without dead ends: 2609 [2022-10-16 16:47:14,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:47:14,636 INFO L413 NwaCegarLoop]: 1499 mSDtfsCounter, 1128 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:14,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1823 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:14,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2022-10-16 16:47:14,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 2569. [2022-10-16 16:47:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2466 states have (on average 1.6309813463098135) internal successors, (4022), 2568 states have internal predecessors, (4022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 4022 transitions. [2022-10-16 16:47:14,879 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 4022 transitions. Word has length 127 [2022-10-16 16:47:14,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:14,880 INFO L495 AbstractCegarLoop]: Abstraction has 2569 states and 4022 transitions. [2022-10-16 16:47:14,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 4022 transitions. [2022-10-16 16:47:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 16:47:14,882 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:14,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:14,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:47:14,883 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:14,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:14,883 INFO L85 PathProgramCache]: Analyzing trace with hash -455934162, now seen corresponding path program 1 times [2022-10-16 16:47:14,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:14,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069752402] [2022-10-16 16:47:14,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:14,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:15,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:15,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069752402] [2022-10-16 16:47:15,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069752402] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:15,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:15,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:15,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109813151] [2022-10-16 16:47:15,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:15,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:15,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:15,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:15,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:15,078 INFO L87 Difference]: Start difference. First operand 2569 states and 4022 transitions. Second operand has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:15,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:15,816 INFO L93 Difference]: Finished difference Result 3236 states and 5067 transitions. [2022-10-16 16:47:15,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:15,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 16:47:15,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:15,838 INFO L225 Difference]: With dead ends: 3236 [2022-10-16 16:47:15,839 INFO L226 Difference]: Without dead ends: 3233 [2022-10-16 16:47:15,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:15,844 INFO L413 NwaCegarLoop]: 1558 mSDtfsCounter, 1438 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:15,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 3190 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:47:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2022-10-16 16:47:16,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 2566. [2022-10-16 16:47:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2566 states, 2466 states have (on average 1.629764801297648) internal successors, (4019), 2565 states have internal predecessors, (4019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 4019 transitions. [2022-10-16 16:47:16,170 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 4019 transitions. Word has length 129 [2022-10-16 16:47:16,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:16,171 INFO L495 AbstractCegarLoop]: Abstraction has 2566 states and 4019 transitions. [2022-10-16 16:47:16,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.0) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 4019 transitions. [2022-10-16 16:47:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 16:47:16,174 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:16,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:16,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:47:16,174 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:16,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:16,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1249056606, now seen corresponding path program 1 times [2022-10-16 16:47:16,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:16,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318604974] [2022-10-16 16:47:16,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:16,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:16,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:16,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318604974] [2022-10-16 16:47:16,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318604974] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:16,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:16,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:16,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488892177] [2022-10-16 16:47:16,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:16,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:16,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:16,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:16,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:16,421 INFO L87 Difference]: Start difference. First operand 2566 states and 4019 transitions. Second operand has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:17,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:17,100 INFO L93 Difference]: Finished difference Result 3231 states and 5064 transitions. [2022-10-16 16:47:17,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:17,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-10-16 16:47:17,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:17,120 INFO L225 Difference]: With dead ends: 3231 [2022-10-16 16:47:17,121 INFO L226 Difference]: Without dead ends: 3226 [2022-10-16 16:47:17,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:17,124 INFO L413 NwaCegarLoop]: 1440 mSDtfsCounter, 1877 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:17,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 2364 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:17,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2022-10-16 16:47:17,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 3177. [2022-10-16 16:47:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 3080 states have (on average 1.638961038961039) internal successors, (5048), 3176 states have internal predecessors, (5048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 5048 transitions. [2022-10-16 16:47:17,463 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 5048 transitions. Word has length 130 [2022-10-16 16:47:17,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:17,464 INFO L495 AbstractCegarLoop]: Abstraction has 3177 states and 5048 transitions. [2022-10-16 16:47:17,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 43.333333333333336) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 5048 transitions. [2022-10-16 16:47:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 16:47:17,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:17,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:17,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:47:17,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:17,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:17,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2047505788, now seen corresponding path program 1 times [2022-10-16 16:47:17,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:17,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288622867] [2022-10-16 16:47:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:17,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:17,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:17,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288622867] [2022-10-16 16:47:17,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288622867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:17,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:17,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:17,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782417724] [2022-10-16 16:47:17,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:17,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:17,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:17,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:17,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:17,681 INFO L87 Difference]: Start difference. First operand 3177 states and 5048 transitions. Second operand has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:18,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:18,634 INFO L93 Difference]: Finished difference Result 9269 states and 15080 transitions. [2022-10-16 16:47:18,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:18,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 16:47:18,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:18,673 INFO L225 Difference]: With dead ends: 9269 [2022-10-16 16:47:18,674 INFO L226 Difference]: Without dead ends: 6834 [2022-10-16 16:47:18,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:18,682 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 2215 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:18,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 2198 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:18,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6834 states. [2022-10-16 16:47:19,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6834 to 5520. [2022-10-16 16:47:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5520 states, 5427 states have (on average 1.6486088078127878) internal successors, (8947), 5519 states have internal predecessors, (8947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5520 states to 5520 states and 8947 transitions. [2022-10-16 16:47:19,348 INFO L78 Accepts]: Start accepts. Automaton has 5520 states and 8947 transitions. Word has length 132 [2022-10-16 16:47:19,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:19,349 INFO L495 AbstractCegarLoop]: Abstraction has 5520 states and 8947 transitions. [2022-10-16 16:47:19,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 5520 states and 8947 transitions. [2022-10-16 16:47:19,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 16:47:19,351 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:19,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:19,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:47:19,352 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:19,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:19,353 INFO L85 PathProgramCache]: Analyzing trace with hash 951830547, now seen corresponding path program 1 times [2022-10-16 16:47:19,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:19,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370235792] [2022-10-16 16:47:19,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:19,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:19,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:19,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370235792] [2022-10-16 16:47:19,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370235792] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:19,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:19,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:19,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391017192] [2022-10-16 16:47:19,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:19,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:19,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:19,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:19,542 INFO L87 Difference]: Start difference. First operand 5520 states and 8947 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:20,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:20,510 INFO L93 Difference]: Finished difference Result 6786 states and 11029 transitions. [2022-10-16 16:47:20,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:20,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-16 16:47:20,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:20,540 INFO L225 Difference]: With dead ends: 6786 [2022-10-16 16:47:20,540 INFO L226 Difference]: Without dead ends: 6781 [2022-10-16 16:47:20,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:20,544 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 2208 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:20,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 1910 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:47:20,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6781 states. [2022-10-16 16:47:21,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6781 to 6740. [2022-10-16 16:47:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6740 states, 6651 states have (on average 1.6529845136069763) internal successors, (10994), 6739 states have internal predecessors, (10994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6740 states to 6740 states and 10994 transitions. [2022-10-16 16:47:21,292 INFO L78 Accepts]: Start accepts. Automaton has 6740 states and 10994 transitions. Word has length 133 [2022-10-16 16:47:21,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:21,293 INFO L495 AbstractCegarLoop]: Abstraction has 6740 states and 10994 transitions. [2022-10-16 16:47:21,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 6740 states and 10994 transitions. [2022-10-16 16:47:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 16:47:21,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:21,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:21,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:47:21,297 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:21,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:21,297 INFO L85 PathProgramCache]: Analyzing trace with hash -118861163, now seen corresponding path program 1 times [2022-10-16 16:47:21,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:21,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728659328] [2022-10-16 16:47:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:21,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:21,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:21,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728659328] [2022-10-16 16:47:21,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728659328] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:21,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:21,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:21,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406053747] [2022-10-16 16:47:21,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:21,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:21,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:21,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:21,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:21,488 INFO L87 Difference]: Start difference. First operand 6740 states and 10994 transitions. Second operand has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:23,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:23,237 INFO L93 Difference]: Finished difference Result 21191 states and 35018 transitions. [2022-10-16 16:47:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:23,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-10-16 16:47:23,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:23,290 INFO L225 Difference]: With dead ends: 21191 [2022-10-16 16:47:23,291 INFO L226 Difference]: Without dead ends: 15185 [2022-10-16 16:47:23,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:23,307 INFO L413 NwaCegarLoop]: 1106 mSDtfsCounter, 2195 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 2280 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:23,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 2280 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:23,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15185 states. [2022-10-16 16:47:24,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15185 to 11443. [2022-10-16 16:47:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11443 states, 11358 states have (on average 1.6570699066737102) internal successors, (18821), 11442 states have internal predecessors, (18821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11443 states to 11443 states and 18821 transitions. [2022-10-16 16:47:24,791 INFO L78 Accepts]: Start accepts. Automaton has 11443 states and 18821 transitions. Word has length 135 [2022-10-16 16:47:24,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:24,792 INFO L495 AbstractCegarLoop]: Abstraction has 11443 states and 18821 transitions. [2022-10-16 16:47:24,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.0) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:24,792 INFO L276 IsEmpty]: Start isEmpty. Operand 11443 states and 18821 transitions. [2022-10-16 16:47:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 16:47:24,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:24,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:24,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:47:24,796 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:24,797 INFO L85 PathProgramCache]: Analyzing trace with hash 610271785, now seen corresponding path program 1 times [2022-10-16 16:47:24,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:24,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124582530] [2022-10-16 16:47:24,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:24,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:25,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:25,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124582530] [2022-10-16 16:47:25,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124582530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:25,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:25,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:25,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695363944] [2022-10-16 16:47:25,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:25,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:25,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:25,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:25,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:25,002 INFO L87 Difference]: Start difference. First operand 11443 states and 18821 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:26,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:26,748 INFO L93 Difference]: Finished difference Result 16213 states and 26773 transitions. [2022-10-16 16:47:26,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:26,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 16:47:26,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:26,799 INFO L225 Difference]: With dead ends: 16213 [2022-10-16 16:47:26,799 INFO L226 Difference]: Without dead ends: 16208 [2022-10-16 16:47:26,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:26,807 INFO L413 NwaCegarLoop]: 1106 mSDtfsCounter, 2188 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:26,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2188 Valid, 1980 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:26,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16208 states. [2022-10-16 16:47:28,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16208 to 16146. [2022-10-16 16:47:28,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16146 states, 16065 states have (on average 1.6605042016806724) internal successors, (26676), 16145 states have internal predecessors, (26676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16146 states to 16146 states and 26676 transitions. [2022-10-16 16:47:28,791 INFO L78 Accepts]: Start accepts. Automaton has 16146 states and 26676 transitions. Word has length 136 [2022-10-16 16:47:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:28,792 INFO L495 AbstractCegarLoop]: Abstraction has 16146 states and 26676 transitions. [2022-10-16 16:47:28,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 16146 states and 26676 transitions. [2022-10-16 16:47:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 16:47:28,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:28,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:28,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:47:28,797 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:28,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:28,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1939316725, now seen corresponding path program 1 times [2022-10-16 16:47:28,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:28,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816644338] [2022-10-16 16:47:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:28,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:28,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:28,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816644338] [2022-10-16 16:47:28,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816644338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:28,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:28,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:28,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374492330] [2022-10-16 16:47:28,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:28,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:28,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:28,979 INFO L87 Difference]: Start difference. First operand 16146 states and 26676 transitions. Second operand has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:32,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:32,980 INFO L93 Difference]: Finished difference Result 59476 states and 98896 transitions. [2022-10-16 16:47:32,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:32,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 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 138 [2022-10-16 16:47:32,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:33,122 INFO L225 Difference]: With dead ends: 59476 [2022-10-16 16:47:33,122 INFO L226 Difference]: Without dead ends: 44056 [2022-10-16 16:47:33,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:33,164 INFO L413 NwaCegarLoop]: 1156 mSDtfsCounter, 2175 mSDsluCounter, 1507 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2175 SdHoareTripleChecker+Valid, 2663 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:33,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2175 Valid, 2663 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44056 states. [2022-10-16 16:47:36,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44056 to 29978. [2022-10-16 16:47:36,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29978 states, 29901 states have (on average 1.6617169994314571) internal successors, (49687), 29977 states have internal predecessors, (49687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29978 states to 29978 states and 49687 transitions. [2022-10-16 16:47:36,689 INFO L78 Accepts]: Start accepts. Automaton has 29978 states and 49687 transitions. Word has length 138 [2022-10-16 16:47:36,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:36,690 INFO L495 AbstractCegarLoop]: Abstraction has 29978 states and 49687 transitions. [2022-10-16 16:47:36,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.0) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:36,690 INFO L276 IsEmpty]: Start isEmpty. Operand 29978 states and 49687 transitions. [2022-10-16 16:47:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 16:47:36,694 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:36,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:36,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:47:36,695 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:36,696 INFO L85 PathProgramCache]: Analyzing trace with hash 10724218, now seen corresponding path program 1 times [2022-10-16 16:47:36,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:36,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116046013] [2022-10-16 16:47:36,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:36,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:36,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:36,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116046013] [2022-10-16 16:47:36,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116046013] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:36,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:36,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:36,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821083740] [2022-10-16 16:47:36,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:36,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:36,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:36,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:36,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:36,901 INFO L87 Difference]: Start difference. First operand 29978 states and 49687 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:41,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:41,413 INFO L93 Difference]: Finished difference Result 45303 states and 75199 transitions. [2022-10-16 16:47:41,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:47:41,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2022-10-16 16:47:41,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:41,557 INFO L225 Difference]: With dead ends: 45303 [2022-10-16 16:47:41,558 INFO L226 Difference]: Without dead ends: 45298 [2022-10-16 16:47:41,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:41,578 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 2164 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:41,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 2050 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:47:41,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45298 states. [2022-10-16 16:47:45,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45298 to 45170. [2022-10-16 16:47:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45170 states, 45097 states have (on average 1.6609974055923897) internal successors, (74906), 45169 states have internal predecessors, (74906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45170 states to 45170 states and 74906 transitions. [2022-10-16 16:47:45,934 INFO L78 Accepts]: Start accepts. Automaton has 45170 states and 74906 transitions. Word has length 139 [2022-10-16 16:47:45,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:47:45,935 INFO L495 AbstractCegarLoop]: Abstraction has 45170 states and 74906 transitions. [2022-10-16 16:47:45,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 45170 states and 74906 transitions. [2022-10-16 16:47:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 16:47:45,946 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:47:45,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:47:45,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:47:45,947 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:47:45,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:47:45,948 INFO L85 PathProgramCache]: Analyzing trace with hash 989083946, now seen corresponding path program 1 times [2022-10-16 16:47:45,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:47:45,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251720969] [2022-10-16 16:47:45,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:47:45,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:47:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:47:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:47:46,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:47:46,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251720969] [2022-10-16 16:47:46,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251720969] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:47:46,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:47:46,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:47:46,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228131651] [2022-10-16 16:47:46,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:47:46,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:47:46,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:47:46,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:47:46,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:47:46,157 INFO L87 Difference]: Start difference. First operand 45170 states and 74906 transitions. Second operand has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:47:54,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:47:54,337 INFO L93 Difference]: Finished difference Result 99603 states and 165986 transitions. [2022-10-16 16:47:54,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:47:54,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2022-10-16 16:47:54,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:47:54,629 INFO L225 Difference]: With dead ends: 99603 [2022-10-16 16:47:54,629 INFO L226 Difference]: Without dead ends: 99597 [2022-10-16 16:47:54,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:47:54,670 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 2144 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 2780 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:47:54,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 2780 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:47:54,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99597 states. [2022-10-16 16:48:02,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99597 to 77541. [2022-10-16 16:48:02,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77541 states, 77471 states have (on average 1.6638225916794671) internal successors, (128898), 77540 states have internal predecessors, (128898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77541 states to 77541 states and 128898 transitions. [2022-10-16 16:48:02,840 INFO L78 Accepts]: Start accepts. Automaton has 77541 states and 128898 transitions. Word has length 151 [2022-10-16 16:48:02,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:02,840 INFO L495 AbstractCegarLoop]: Abstraction has 77541 states and 128898 transitions. [2022-10-16 16:48:02,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.333333333333336) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:02,841 INFO L276 IsEmpty]: Start isEmpty. Operand 77541 states and 128898 transitions. [2022-10-16 16:48:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-16 16:48:02,843 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:02,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:02,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:48:02,844 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:48:02,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:02,845 INFO L85 PathProgramCache]: Analyzing trace with hash 596831838, now seen corresponding path program 1 times [2022-10-16 16:48:02,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:02,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108095026] [2022-10-16 16:48:02,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:02,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:03,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:03,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108095026] [2022-10-16 16:48:03,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108095026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:03,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:03,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:48:03,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849915539] [2022-10-16 16:48:03,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:03,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:48:03,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:03,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:48:03,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:48:03,363 INFO L87 Difference]: Start difference. First operand 77541 states and 128898 transitions. Second operand has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:13,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:13,280 INFO L93 Difference]: Finished difference Result 105452 states and 175420 transitions. [2022-10-16 16:48:13,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:48:13,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2022-10-16 16:48:13,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:13,683 INFO L225 Difference]: With dead ends: 105452 [2022-10-16 16:48:13,688 INFO L226 Difference]: Without dead ends: 105446 [2022-10-16 16:48:13,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:13,742 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 2233 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 2099 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:13,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2233 Valid, 2099 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:48:13,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105446 states. [2022-10-16 16:48:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105446 to 105409. [2022-10-16 16:48:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105409 states, 105342 states have (on average 1.661369634144026) internal successors, (175012), 105408 states have internal predecessors, (175012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105409 states to 105409 states and 175012 transitions. [2022-10-16 16:48:25,246 INFO L78 Accepts]: Start accepts. Automaton has 105409 states and 175012 transitions. Word has length 152 [2022-10-16 16:48:25,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:25,246 INFO L495 AbstractCegarLoop]: Abstraction has 105409 states and 175012 transitions. [2022-10-16 16:48:25,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 50.666666666666664) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 105409 states and 175012 transitions. [2022-10-16 16:48:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 16:48:25,249 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:25,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:25,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:48:25,249 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:48:25,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1321918380, now seen corresponding path program 1 times [2022-10-16 16:48:25,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:25,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021027814] [2022-10-16 16:48:25,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:25,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:25,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:25,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021027814] [2022-10-16 16:48:25,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021027814] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:25,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:25,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:48:25,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114122806] [2022-10-16 16:48:25,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:25,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:48:25,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:25,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:48:25,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:25,472 INFO L87 Difference]: Start difference. First operand 105409 states and 175012 transitions. Second operand has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:39,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:48:39,931 INFO L93 Difference]: Finished difference Result 149080 states and 247668 transitions. [2022-10-16 16:48:39,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:48:39,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 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 153 [2022-10-16 16:48:39,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:48:40,398 INFO L225 Difference]: With dead ends: 149080 [2022-10-16 16:48:40,398 INFO L226 Difference]: Without dead ends: 149074 [2022-10-16 16:48:40,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:48:40,440 INFO L413 NwaCegarLoop]: 1125 mSDtfsCounter, 3634 mSDsluCounter, 2649 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 3774 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:48:40,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 3774 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:48:40,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149074 states. [2022-10-16 16:48:53,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149074 to 126994. [2022-10-16 16:48:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126994 states, 126930 states have (on average 1.6601591428346332) internal successors, (210724), 126993 states have internal predecessors, (210724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:53,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126994 states to 126994 states and 210724 transitions. [2022-10-16 16:48:53,640 INFO L78 Accepts]: Start accepts. Automaton has 126994 states and 210724 transitions. Word has length 153 [2022-10-16 16:48:53,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:48:53,640 INFO L495 AbstractCegarLoop]: Abstraction has 126994 states and 210724 transitions. [2022-10-16 16:48:53,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.25) internal successors, (153), 5 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:48:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 126994 states and 210724 transitions. [2022-10-16 16:48:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-16 16:48:53,643 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:48:53,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:48:53,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:48:53,643 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:48:53,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:48:53,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1970202592, now seen corresponding path program 1 times [2022-10-16 16:48:53,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:48:53,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137745152] [2022-10-16 16:48:53,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:48:53,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:48:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:48:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:48:53,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:48:53,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137745152] [2022-10-16 16:48:53,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137745152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:48:53,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:48:53,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:48:53,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636210134] [2022-10-16 16:48:53,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:48:53,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:48:53,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:48:53,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:48:53,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:48:53,838 INFO L87 Difference]: Start difference. First operand 126994 states and 210724 transitions. Second operand has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:08,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:49:08,619 INFO L93 Difference]: Finished difference Result 146393 states and 242915 transitions. [2022-10-16 16:49:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:49:08,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2022-10-16 16:49:08,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:49:09,158 INFO L225 Difference]: With dead ends: 146393 [2022-10-16 16:49:09,159 INFO L226 Difference]: Without dead ends: 146387 [2022-10-16 16:49:09,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:49:09,205 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 3457 mSDsluCounter, 1916 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3457 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:49:09,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3457 Valid, 3028 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:49:09,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146387 states. [2022-10-16 16:49:24,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146387 to 146322. [2022-10-16 16:49:24,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146322 states, 146261 states have (on average 1.6574548239106803) internal successors, (242421), 146321 states have internal predecessors, (242421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146322 states to 146322 states and 242421 transitions. [2022-10-16 16:49:25,403 INFO L78 Accepts]: Start accepts. Automaton has 146322 states and 242421 transitions. Word has length 154 [2022-10-16 16:49:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:49:25,403 INFO L495 AbstractCegarLoop]: Abstraction has 146322 states and 242421 transitions. [2022-10-16 16:49:25,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:49:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 146322 states and 242421 transitions. [2022-10-16 16:49:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-16 16:49:25,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:49:25,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:49:25,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:49:25,405 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 163 more)] === [2022-10-16 16:49:25,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:49:25,406 INFO L85 PathProgramCache]: Analyzing trace with hash -946737618, now seen corresponding path program 1 times [2022-10-16 16:49:25,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:49:25,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539589854] [2022-10-16 16:49:25,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:49:25,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:49:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:49:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:49:25,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:49:25,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539589854] [2022-10-16 16:49:25,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539589854] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:49:25,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:49:25,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:49:25,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205928534] [2022-10-16 16:49:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:49:25,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:49:25,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:49:25,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:49:25,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:49:25,632 INFO L87 Difference]: Start difference. First operand 146322 states and 242421 transitions. Second operand has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:50:07,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:50:07,196 INFO L93 Difference]: Finished difference Result 494523 states and 820571 transitions. [2022-10-16 16:50:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 16:50:07,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 0 states have call successors, (0), 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 155 [2022-10-16 16:50:07,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:50:08,279 INFO L225 Difference]: With dead ends: 494523 [2022-10-16 16:50:08,279 INFO L226 Difference]: Without dead ends: 348907 [2022-10-16 16:50:08,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:50:08,558 INFO L413 NwaCegarLoop]: 1114 mSDtfsCounter, 5622 mSDsluCounter, 5097 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5622 SdHoareTripleChecker+Valid, 6211 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:50:08,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5622 Valid, 6211 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:50:09,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348907 states.