/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.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:21:00,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:21:00,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:21:00,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:21:00,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:21:00,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:21:00,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:21:00,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:21:00,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:21:00,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:21:00,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:21:00,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:21:00,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:21:00,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:21:00,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:21:00,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:21:00,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:21:00,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:21:00,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:21:00,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:21:00,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:21:00,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:21:00,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:21:00,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:21:00,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:21:00,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:21:00,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:21:00,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:21:00,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:21:00,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:21:00,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:21:00,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:21:00,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:21:00,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:21:00,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:21:00,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:21:00,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:21:00,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:21:00,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:21:00,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:21:00,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:21:00,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:21:00,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:21:00,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:21:00,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:21:00,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:21:00,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:21:00,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:21:00,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:21:00,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:21:00,952 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:21:00,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:21:00,953 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:21:00,953 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:21:00,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:21:00,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:21:00,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:21:00,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:21:00,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:21:00,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:21:00,955 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:21:00,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:21:00,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:21:00,955 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:21:00,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:21:00,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:21:00,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:21:00,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:21:00,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:21:00,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:21:00,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:21:00,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:21:00,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:21:00,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:21:00,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:21:00,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:21:01,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:21:01,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:21:01,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:21:01,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:21:01,436 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:21:01,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:21:01,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23fd1e7c/76a45fd61d0a47b68e0db3515fd5d194/FLAG9bf7f2f55 [2022-10-15 22:21:02,261 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:21:02,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:21:02,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23fd1e7c/76a45fd61d0a47b68e0db3515fd5d194/FLAG9bf7f2f55 [2022-10-15 22:21:02,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23fd1e7c/76a45fd61d0a47b68e0db3515fd5d194 [2022-10-15 22:21:02,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:21:02,567 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:21:02,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:21:02,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:21:02,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:21:02,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:02,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aeb1b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:02, skipping insertion in model container [2022-10-15 22:21:02,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:21:02" (1/1) ... [2022-10-15 22:21:02,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:21:02,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:21:03,074 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.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15698,15711] [2022-10-15 22:21:03,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:21:03,177 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:21:03,325 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.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[15698,15711] [2022-10-15 22:21:03,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:21:03,404 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:21:03,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03 WrapperNode [2022-10-15 22:21:03,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:21:03,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:21:03,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:21:03,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:21:03,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,544 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1394 [2022-10-15 22:21:03,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:21:03,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:21:03,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:21:03,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:21:03,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:21:03,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:21:03,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:21:03,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:21:03,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (1/1) ... [2022-10-15 22:21:03,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:21:03,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:21:03,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 22:21:03,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 22:21:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:21:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:21:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:21:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:21:04,076 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:21:04,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:21:05,595 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:21:05,611 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:21:05,611 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:21:05,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:21:05 BoogieIcfgContainer [2022-10-15 22:21:05,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:21:05,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:21:05,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:21:05,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:21:05,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:21:02" (1/3) ... [2022-10-15 22:21:05,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dd657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:21:05, skipping insertion in model container [2022-10-15 22:21:05,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:21:03" (2/3) ... [2022-10-15 22:21:05,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dd657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:21:05, skipping insertion in model container [2022-10-15 22:21:05,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:21:05" (3/3) ... [2022-10-15 22:21:05,624 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-15 22:21:05,647 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:21:05,648 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 120 error locations. [2022-10-15 22:21:05,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:21:05,741 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;@24fa6175, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:21:05,741 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2022-10-15 22:21:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 573 states, 452 states have (on average 1.831858407079646) internal successors, (828), 572 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 22:21:05,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:05,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:05,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:05,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:05,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1413274041, now seen corresponding path program 1 times [2022-10-15 22:21:05,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:05,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389105642] [2022-10-15 22:21:05,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:05,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:06,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:06,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389105642] [2022-10-15 22:21:06,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389105642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:06,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:06,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:06,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812316748] [2022-10-15 22:21:06,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:06,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:06,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:06,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:06,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:06,476 INFO L87 Difference]: Start difference. First operand has 573 states, 452 states have (on average 1.831858407079646) internal successors, (828), 572 states have internal predecessors, (828), 0 states have call successors, (0), 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 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:07,222 INFO L93 Difference]: Finished difference Result 1023 states and 1472 transitions. [2022-10-15 22:21:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:07,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-15 22:21:07,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:07,258 INFO L225 Difference]: With dead ends: 1023 [2022-10-15 22:21:07,259 INFO L226 Difference]: Without dead ends: 982 [2022-10-15 22:21:07,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:07,267 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1720 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:07,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1720 Valid, 1279 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:21:07,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2022-10-15 22:21:07,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 727. [2022-10-15 22:21:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 631 states have (on average 1.6022187004754358) internal successors, (1011), 726 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1011 transitions. [2022-10-15 22:21:07,429 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1011 transitions. Word has length 55 [2022-10-15 22:21:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:07,431 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1011 transitions. [2022-10-15 22:21:07,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1011 transitions. [2022-10-15 22:21:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:21:07,438 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:07,439 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] [2022-10-15 22:21:07,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:21:07,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:07,442 INFO L85 PathProgramCache]: Analyzing trace with hash 861822569, now seen corresponding path program 1 times [2022-10-15 22:21:07,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:07,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288171238] [2022-10-15 22:21:07,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:07,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:07,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:07,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288171238] [2022-10-15 22:21:07,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288171238] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:07,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:07,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:07,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532862978] [2022-10-15 22:21:07,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:07,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:07,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:07,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:07,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:07,794 INFO L87 Difference]: Start difference. First operand 727 states and 1011 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:08,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:08,170 INFO L93 Difference]: Finished difference Result 939 states and 1302 transitions. [2022-10-15 22:21:08,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:08,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2022-10-15 22:21:08,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:08,177 INFO L225 Difference]: With dead ends: 939 [2022-10-15 22:21:08,178 INFO L226 Difference]: Without dead ends: 928 [2022-10-15 22:21:08,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:08,181 INFO L413 NwaCegarLoop]: 558 mSDtfsCounter, 1553 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1553 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:08,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1553 Valid, 899 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:08,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2022-10-15 22:21:08,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 890. [2022-10-15 22:21:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 800 states have (on average 1.6075) internal successors, (1286), 889 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1286 transitions. [2022-10-15 22:21:08,236 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1286 transitions. Word has length 56 [2022-10-15 22:21:08,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:08,236 INFO L495 AbstractCegarLoop]: Abstraction has 890 states and 1286 transitions. [2022-10-15 22:21:08,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1286 transitions. [2022-10-15 22:21:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 22:21:08,239 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:08,239 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] [2022-10-15 22:21:08,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:21:08,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:08,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:08,240 INFO L85 PathProgramCache]: Analyzing trace with hash 946696123, now seen corresponding path program 1 times [2022-10-15 22:21:08,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:08,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723520357] [2022-10-15 22:21:08,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:08,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:08,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:08,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:08,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723520357] [2022-10-15 22:21:08,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723520357] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:08,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:08,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:08,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127464111] [2022-10-15 22:21:08,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:08,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:08,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:08,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:08,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:08,435 INFO L87 Difference]: Start difference. First operand 890 states and 1286 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:09,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:09,092 INFO L93 Difference]: Finished difference Result 2123 states and 3088 transitions. [2022-10-15 22:21:09,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:21:09,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-10-15 22:21:09,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:09,105 INFO L225 Difference]: With dead ends: 2123 [2022-10-15 22:21:09,106 INFO L226 Difference]: Without dead ends: 1702 [2022-10-15 22:21:09,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:21:09,120 INFO L413 NwaCegarLoop]: 707 mSDtfsCounter, 2548 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 1891 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:09,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2548 Valid, 1891 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:21:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2022-10-15 22:21:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1273. [2022-10-15 22:21:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 1189 states have (on average 1.614802354920101) internal successors, (1920), 1272 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1920 transitions. [2022-10-15 22:21:09,226 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1920 transitions. Word has length 57 [2022-10-15 22:21:09,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:09,227 INFO L495 AbstractCegarLoop]: Abstraction has 1273 states and 1920 transitions. [2022-10-15 22:21:09,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:09,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1920 transitions. [2022-10-15 22:21:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-15 22:21:09,229 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:09,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:09,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:21:09,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:09,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:09,231 INFO L85 PathProgramCache]: Analyzing trace with hash -717190997, now seen corresponding path program 1 times [2022-10-15 22:21:09,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:09,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427574197] [2022-10-15 22:21:09,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:09,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:09,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:09,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427574197] [2022-10-15 22:21:09,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427574197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:09,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:09,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:09,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109585018] [2022-10-15 22:21:09,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:09,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:09,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:09,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:09,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:09,413 INFO L87 Difference]: Start difference. First operand 1273 states and 1920 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:09,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:09,928 INFO L93 Difference]: Finished difference Result 1626 states and 2377 transitions. [2022-10-15 22:21:09,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:21:09,929 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-15 22:21:09,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:09,941 INFO L225 Difference]: With dead ends: 1626 [2022-10-15 22:21:09,942 INFO L226 Difference]: Without dead ends: 1615 [2022-10-15 22:21:09,943 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 [2022-10-15 22:21:09,945 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 3043 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:09,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 1161 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:21:09,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2022-10-15 22:21:10,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1535. [2022-10-15 22:21:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1535 states, 1457 states have (on average 1.610844200411805) internal successors, (2347), 1534 states have internal predecessors, (2347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2347 transitions. [2022-10-15 22:21:10,059 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2347 transitions. Word has length 58 [2022-10-15 22:21:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:10,060 INFO L495 AbstractCegarLoop]: Abstraction has 1535 states and 2347 transitions. [2022-10-15 22:21:10,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2347 transitions. [2022-10-15 22:21:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:21:10,062 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:10,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:10,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:21:10,063 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:10,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:10,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2025772275, now seen corresponding path program 1 times [2022-10-15 22:21:10,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:10,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630088256] [2022-10-15 22:21:10,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:10,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:10,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:10,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630088256] [2022-10-15 22:21:10,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630088256] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:10,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:10,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:10,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877615797] [2022-10-15 22:21:10,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:10,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:10,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:10,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:10,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:10,190 INFO L87 Difference]: Start difference. First operand 1535 states and 2347 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:10,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:10,584 INFO L93 Difference]: Finished difference Result 2014 states and 3073 transitions. [2022-10-15 22:21:10,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:10,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:21:10,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:10,599 INFO L225 Difference]: With dead ends: 2014 [2022-10-15 22:21:10,599 INFO L226 Difference]: Without dead ends: 2011 [2022-10-15 22:21:10,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:10,602 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 909 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:10,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 1123 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:10,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2022-10-15 22:21:10,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1532. [2022-10-15 22:21:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1457 states have (on average 1.6087851750171585) internal successors, (2344), 1531 states have internal predecessors, (2344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2344 transitions. [2022-10-15 22:21:10,728 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2344 transitions. Word has length 60 [2022-10-15 22:21:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:10,729 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 2344 transitions. [2022-10-15 22:21:10,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2344 transitions. [2022-10-15 22:21:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:21:10,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:10,730 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:10,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:21:10,731 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:10,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:10,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1625569184, now seen corresponding path program 1 times [2022-10-15 22:21:10,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:10,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262016897] [2022-10-15 22:21:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:10,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:10,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:10,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262016897] [2022-10-15 22:21:10,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262016897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:10,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:10,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:10,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345116174] [2022-10-15 22:21:10,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:10,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:10,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:10,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:10,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:10,851 INFO L87 Difference]: Start difference. First operand 1532 states and 2344 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:11,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:11,299 INFO L93 Difference]: Finished difference Result 2378 states and 3692 transitions. [2022-10-15 22:21:11,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:11,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:21:11,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:11,315 INFO L225 Difference]: With dead ends: 2378 [2022-10-15 22:21:11,315 INFO L226 Difference]: Without dead ends: 2373 [2022-10-15 22:21:11,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:11,318 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 1509 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:11,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 832 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:11,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2022-10-15 22:21:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2325. [2022-10-15 22:21:11,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2253 states have (on average 1.6267199289835774) internal successors, (3665), 2324 states have internal predecessors, (3665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 3665 transitions. [2022-10-15 22:21:11,489 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 3665 transitions. Word has length 61 [2022-10-15 22:21:11,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:11,490 INFO L495 AbstractCegarLoop]: Abstraction has 2325 states and 3665 transitions. [2022-10-15 22:21:11,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:11,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 3665 transitions. [2022-10-15 22:21:11,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-15 22:21:11,491 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:11,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:11,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:21:11,492 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:11,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:11,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1196101214, now seen corresponding path program 1 times [2022-10-15 22:21:11,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:11,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490936383] [2022-10-15 22:21:11,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:11,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:11,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:11,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490936383] [2022-10-15 22:21:11,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490936383] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:11,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:11,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:11,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926924514] [2022-10-15 22:21:11,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:11,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:11,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:11,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:11,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:11,621 INFO L87 Difference]: Start difference. First operand 2325 states and 3665 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:12,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:12,048 INFO L93 Difference]: Finished difference Result 3100 states and 4900 transitions. [2022-10-15 22:21:12,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:12,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-15 22:21:12,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:12,067 INFO L225 Difference]: With dead ends: 3100 [2022-10-15 22:21:12,068 INFO L226 Difference]: Without dead ends: 3097 [2022-10-15 22:21:12,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:12,071 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 915 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:12,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 1090 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:12,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2022-10-15 22:21:12,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2322. [2022-10-15 22:21:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2322 states, 2253 states have (on average 1.625388371060808) internal successors, (3662), 2321 states have internal predecessors, (3662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 3662 transitions. [2022-10-15 22:21:12,269 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 3662 transitions. Word has length 63 [2022-10-15 22:21:12,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:12,269 INFO L495 AbstractCegarLoop]: Abstraction has 2322 states and 3662 transitions. [2022-10-15 22:21:12,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 3662 transitions. [2022-10-15 22:21:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:21:12,271 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:12,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:12,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:21:12,271 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:12,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:12,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1575568306, now seen corresponding path program 1 times [2022-10-15 22:21:12,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:12,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547007000] [2022-10-15 22:21:12,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:12,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:12,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:12,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547007000] [2022-10-15 22:21:12,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547007000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:12,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:12,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:12,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145717036] [2022-10-15 22:21:12,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:12,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:12,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:12,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:12,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:12,385 INFO L87 Difference]: Start difference. First operand 2322 states and 3662 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:12,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:12,950 INFO L93 Difference]: Finished difference Result 3824 states and 6114 transitions. [2022-10-15 22:21:12,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:12,951 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:21:12,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:12,975 INFO L225 Difference]: With dead ends: 3824 [2022-10-15 22:21:12,975 INFO L226 Difference]: Without dead ends: 3819 [2022-10-15 22:21:12,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:12,978 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 1471 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:12,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 811 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:12,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3819 states. [2022-10-15 22:21:13,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3819 to 3765. [2022-10-15 22:21:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3765 states, 3699 states have (on average 1.6409840497431738) internal successors, (6070), 3764 states have internal predecessors, (6070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3765 states and 6070 transitions. [2022-10-15 22:21:13,307 INFO L78 Accepts]: Start accepts. Automaton has 3765 states and 6070 transitions. Word has length 64 [2022-10-15 22:21:13,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:13,307 INFO L495 AbstractCegarLoop]: Abstraction has 3765 states and 6070 transitions. [2022-10-15 22:21:13,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3765 states and 6070 transitions. [2022-10-15 22:21:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 22:21:13,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:13,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:13,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:21:13,310 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:13,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:13,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2002304492, now seen corresponding path program 1 times [2022-10-15 22:21:13,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:13,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146637901] [2022-10-15 22:21:13,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:13,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:13,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:13,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146637901] [2022-10-15 22:21:13,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146637901] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:13,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:13,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:13,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858271171] [2022-10-15 22:21:13,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:13,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:13,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:13,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:13,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:13,434 INFO L87 Difference]: Start difference. First operand 3765 states and 6070 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:14,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:14,161 INFO L93 Difference]: Finished difference Result 6901 states and 11246 transitions. [2022-10-15 22:21:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:14,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-15 22:21:14,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:14,199 INFO L225 Difference]: With dead ends: 6901 [2022-10-15 22:21:14,199 INFO L226 Difference]: Without dead ends: 6898 [2022-10-15 22:21:14,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:14,204 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 916 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:14,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 1552 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:14,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6898 states. [2022-10-15 22:21:14,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6898 to 3762. [2022-10-15 22:21:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3762 states, 3699 states have (on average 1.6401730197350635) internal successors, (6067), 3761 states have internal predecessors, (6067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 3762 states and 6067 transitions. [2022-10-15 22:21:14,609 INFO L78 Accepts]: Start accepts. Automaton has 3762 states and 6067 transitions. Word has length 66 [2022-10-15 22:21:14,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:14,609 INFO L495 AbstractCegarLoop]: Abstraction has 3762 states and 6067 transitions. [2022-10-15 22:21:14,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3762 states and 6067 transitions. [2022-10-15 22:21:14,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:21:14,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:14,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:14,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:21:14,611 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:14,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:14,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1941896825, now seen corresponding path program 1 times [2022-10-15 22:21:14,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:14,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431017241] [2022-10-15 22:21:14,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:14,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:14,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:14,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431017241] [2022-10-15 22:21:14,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431017241] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:14,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:14,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:14,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124122205] [2022-10-15 22:21:14,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:14,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:14,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:14,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:14,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:14,721 INFO L87 Difference]: Start difference. First operand 3762 states and 6067 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:15,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:15,568 INFO L93 Difference]: Finished difference Result 7018 states and 11443 transitions. [2022-10-15 22:21:15,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:15,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:21:15,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:15,608 INFO L225 Difference]: With dead ends: 7018 [2022-10-15 22:21:15,609 INFO L226 Difference]: Without dead ends: 7013 [2022-10-15 22:21:15,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:15,613 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 1218 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:15,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 1090 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:21:15,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7013 states. [2022-10-15 22:21:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7013 to 6943. [2022-10-15 22:21:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6943 states, 6883 states have (on average 1.650152549760279) internal successors, (11358), 6942 states have internal predecessors, (11358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 11358 transitions. [2022-10-15 22:21:16,489 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 11358 transitions. Word has length 67 [2022-10-15 22:21:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:16,490 INFO L495 AbstractCegarLoop]: Abstraction has 6943 states and 11358 transitions. [2022-10-15 22:21:16,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 11358 transitions. [2022-10-15 22:21:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 22:21:16,492 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:16,492 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] [2022-10-15 22:21:16,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:21:16,493 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:16,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:16,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1308761451, now seen corresponding path program 1 times [2022-10-15 22:21:16,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:16,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214222636] [2022-10-15 22:21:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:16,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:16,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:16,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214222636] [2022-10-15 22:21:16,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214222636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:16,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:16,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:16,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448525605] [2022-10-15 22:21:16,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:16,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:16,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:16,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:16,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:16,650 INFO L87 Difference]: Start difference. First operand 6943 states and 11358 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:18,676 INFO L93 Difference]: Finished difference Result 18597 states and 30686 transitions. [2022-10-15 22:21:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:21:18,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-10-15 22:21:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:18,734 INFO L225 Difference]: With dead ends: 18597 [2022-10-15 22:21:18,734 INFO L226 Difference]: Without dead ends: 18590 [2022-10-15 22:21:18,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:18,743 INFO L413 NwaCegarLoop]: 1102 mSDtfsCounter, 1157 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1935 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:18,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1935 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:18,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18590 states. [2022-10-15 22:21:19,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18590 to 12724. [2022-10-15 22:21:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12724 states, 12667 states have (on average 1.6514565406173523) internal successors, (20919), 12723 states have internal predecessors, (20919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12724 states to 12724 states and 20919 transitions. [2022-10-15 22:21:19,928 INFO L78 Accepts]: Start accepts. Automaton has 12724 states and 20919 transitions. Word has length 77 [2022-10-15 22:21:19,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:19,929 INFO L495 AbstractCegarLoop]: Abstraction has 12724 states and 20919 transitions. [2022-10-15 22:21:19,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand 12724 states and 20919 transitions. [2022-10-15 22:21:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-15 22:21:19,930 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:19,930 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] [2022-10-15 22:21:19,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:21:19,932 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:19,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:19,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1916899003, now seen corresponding path program 1 times [2022-10-15 22:21:19,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:19,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321202001] [2022-10-15 22:21:19,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:19,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:20,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:20,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321202001] [2022-10-15 22:21:20,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321202001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:20,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:20,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:20,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409827987] [2022-10-15 22:21:20,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:20,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:21:20,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:20,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:21:20,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:21:20,055 INFO L87 Difference]: Start difference. First operand 12724 states and 20919 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:21,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:21,740 INFO L93 Difference]: Finished difference Result 19035 states and 31367 transitions. [2022-10-15 22:21:21,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:21:21,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-10-15 22:21:21,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:21,807 INFO L225 Difference]: With dead ends: 19035 [2022-10-15 22:21:21,808 INFO L226 Difference]: Without dead ends: 19028 [2022-10-15 22:21:21,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:21,817 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 1429 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:21,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 946 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:21,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19028 states. [2022-10-15 22:21:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19028 to 18991. [2022-10-15 22:21:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18991 states, 18937 states have (on average 1.6451391455880022) internal successors, (31154), 18990 states have internal predecessors, (31154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18991 states to 18991 states and 31154 transitions. [2022-10-15 22:21:23,542 INFO L78 Accepts]: Start accepts. Automaton has 18991 states and 31154 transitions. Word has length 78 [2022-10-15 22:21:23,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:23,542 INFO L495 AbstractCegarLoop]: Abstraction has 18991 states and 31154 transitions. [2022-10-15 22:21:23,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 18991 states and 31154 transitions. [2022-10-15 22:21:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-15 22:21:23,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:23,544 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] [2022-10-15 22:21:23,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:21:23,544 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:23,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:23,545 INFO L85 PathProgramCache]: Analyzing trace with hash 705673367, now seen corresponding path program 1 times [2022-10-15 22:21:23,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:23,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294353539] [2022-10-15 22:21:23,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:23,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:23,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294353539] [2022-10-15 22:21:23,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294353539] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:23,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:23,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:23,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643233947] [2022-10-15 22:21:23,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:23,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:23,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:23,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:23,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:23,687 INFO L87 Difference]: Start difference. First operand 18991 states and 31154 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:28,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:28,492 INFO L93 Difference]: Finished difference Result 67434 states and 110898 transitions. [2022-10-15 22:21:28,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:21:28,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2022-10-15 22:21:28,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:28,662 INFO L225 Difference]: With dead ends: 67434 [2022-10-15 22:21:28,662 INFO L226 Difference]: Without dead ends: 49072 [2022-10-15 22:21:28,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:21:28,713 INFO L413 NwaCegarLoop]: 1288 mSDtfsCounter, 1928 mSDsluCounter, 2045 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 3333 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:28,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 3333 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:21:28,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49072 states. [2022-10-15 22:21:32,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49072 to 37354. [2022-10-15 22:21:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37354 states, 37303 states have (on average 1.635712945339517) internal successors, (61017), 37353 states have internal predecessors, (61017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37354 states to 37354 states and 61017 transitions. [2022-10-15 22:21:32,478 INFO L78 Accepts]: Start accepts. Automaton has 37354 states and 61017 transitions. Word has length 79 [2022-10-15 22:21:32,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:32,479 INFO L495 AbstractCegarLoop]: Abstraction has 37354 states and 61017 transitions. [2022-10-15 22:21:32,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 37354 states and 61017 transitions. [2022-10-15 22:21:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 22:21:32,480 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:32,481 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] [2022-10-15 22:21:32,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:21:32,481 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:32,482 INFO L85 PathProgramCache]: Analyzing trace with hash 401038215, now seen corresponding path program 1 times [2022-10-15 22:21:32,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:32,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167480994] [2022-10-15 22:21:32,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:32,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:32,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:32,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167480994] [2022-10-15 22:21:32,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167480994] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:32,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:32,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:21:32,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559364082] [2022-10-15 22:21:32,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:32,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:21:32,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:32,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:21:32,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:21:32,654 INFO L87 Difference]: Start difference. First operand 37354 states and 61017 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:36,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:36,944 INFO L93 Difference]: Finished difference Result 49995 states and 81813 transitions. [2022-10-15 22:21:36,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:21:36,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-10-15 22:21:36,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:37,106 INFO L225 Difference]: With dead ends: 49995 [2022-10-15 22:21:37,106 INFO L226 Difference]: Without dead ends: 49988 [2022-10-15 22:21:37,126 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 [2022-10-15 22:21:37,127 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 2276 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:37,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 1594 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:21:37,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49988 states. [2022-10-15 22:21:41,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49988 to 49895. [2022-10-15 22:21:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49895 states, 49847 states have (on average 1.6287840792826047) internal successors, (81190), 49894 states have internal predecessors, (81190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49895 states to 49895 states and 81190 transitions. [2022-10-15 22:21:41,374 INFO L78 Accepts]: Start accepts. Automaton has 49895 states and 81190 transitions. Word has length 80 [2022-10-15 22:21:41,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:21:41,374 INFO L495 AbstractCegarLoop]: Abstraction has 49895 states and 81190 transitions. [2022-10-15 22:21:41,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 49895 states and 81190 transitions. [2022-10-15 22:21:41,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-10-15 22:21:41,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:21:41,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:21:41,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:21:41,382 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 117 more)] === [2022-10-15 22:21:41,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:21:41,383 INFO L85 PathProgramCache]: Analyzing trace with hash -429352197, now seen corresponding path program 1 times [2022-10-15 22:21:41,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:21:41,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431124897] [2022-10-15 22:21:41,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:21:41,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:21:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:21:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:21:41,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:21:41,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431124897] [2022-10-15 22:21:41,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431124897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:21:41,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:21:41,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:21:41,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312889705] [2022-10-15 22:21:41,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:21:41,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:21:41,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:21:41,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:21:41,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:41,619 INFO L87 Difference]: Start difference. First operand 49895 states and 81190 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:21:49,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:21:49,659 INFO L93 Difference]: Finished difference Result 134202 states and 218927 transitions. [2022-10-15 22:21:49,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:21:49,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2022-10-15 22:21:49,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:21:49,898 INFO L225 Difference]: With dead ends: 134202 [2022-10-15 22:21:49,899 INFO L226 Difference]: Without dead ends: 96348 [2022-10-15 22:21:49,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:21:49,977 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 432 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:21:49,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1134 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:21:50,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96348 states.