/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:04:25,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:04:25,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:04:25,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:04:25,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:04:25,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:04:25,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:04:25,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:04:25,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:04:25,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:04:25,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:04:25,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:04:25,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:04:25,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:04:25,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:04:25,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:04:25,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:04:25,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:04:25,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:04:25,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:04:25,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:04:25,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:04:25,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:04:25,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:04:25,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:04:25,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:04:25,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:04:25,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:04:25,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:04:25,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:04:25,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:04:25,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:04:25,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:04:25,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:04:25,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:04:25,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:04:25,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:04:25,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:04:25,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:04:25,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:04:25,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:04:25,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:04:25,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:04:25,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:04:25,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:04:25,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:04:25,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:04:25,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:04:25,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:04:25,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:04:25,344 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:04:25,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:04:25,345 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:04:25,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:04:25,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:04:25,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:04:25,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:04:25,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:04:25,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:04:25,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:04:25,346 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:04:25,346 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:04:25,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:04:25,347 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:04:25,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:04:25,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:04:25,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:04:25,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:04:25,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:04:25,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:04:25,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:04:25,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:04:25,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:04:25,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:04:25,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:04:25,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:04:25,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:04:25,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:04:25,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:04:25,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:04:25,771 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:04:25,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:04:25,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d103abc3/475b0bc2c43f4f98a5c52aea1e953225/FLAG49038b934 [2022-10-16 16:04:26,600 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:04:26,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:04:26,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d103abc3/475b0bc2c43f4f98a5c52aea1e953225/FLAG49038b934 [2022-10-16 16:04:26,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d103abc3/475b0bc2c43f4f98a5c52aea1e953225 [2022-10-16 16:04:26,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:04:26,944 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:04:26,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:04:26,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:04:26,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:04:26,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:04:26" (1/1) ... [2022-10-16 16:04:26,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500fc726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:26, skipping insertion in model container [2022-10-16 16:04:26,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:04:26" (1/1) ... [2022-10-16 16:04:26,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:04:27,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:04:27,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5377,5390] [2022-10-16 16:04:27,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:04:27,340 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:04:27,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[5377,5390] [2022-10-16 16:04:27,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:04:27,476 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:04:27,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27 WrapperNode [2022-10-16 16:04:27,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:04:27,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:04:27,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:04:27,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:04:27,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,565 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 443 [2022-10-16 16:04:27,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:04:27,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:04:27,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:04:27,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:04:27,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:04:27,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:04:27,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:04:27,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:04:27,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (1/1) ... [2022-10-16 16:04:27,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:04:27,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:04:27,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:04:27,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:04:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:04:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:04:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:04:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:04:27,953 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:04:27,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:04:28,601 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:04:28,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:04:28,618 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:04:28,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:04:28 BoogieIcfgContainer [2022-10-16 16:04:28,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:04:28,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:04:28,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:04:28,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:04:28,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:04:26" (1/3) ... [2022-10-16 16:04:28,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0d6ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:04:28, skipping insertion in model container [2022-10-16 16:04:28,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:04:27" (2/3) ... [2022-10-16 16:04:28,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0d6ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:04:28, skipping insertion in model container [2022-10-16 16:04:28,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:04:28" (3/3) ... [2022-10-16 16:04:28,635 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2022-10-16 16:04:28,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:04:28,657 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 16:04:28,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:04:28,739 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;@1706c22a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:04:28,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 16:04:28,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 128 states have (on average 1.734375) internal successors, (222), 148 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:04:28,755 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:28,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:04:28,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:28,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:28,764 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:04:28,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:28,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772141522] [2022-10-16 16:04:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:28,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:29,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:29,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772141522] [2022-10-16 16:04:29,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772141522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:29,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:29,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:04:29,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127679029] [2022-10-16 16:04:29,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:29,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:04:29,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:29,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:04:29,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:04:29,062 INFO L87 Difference]: Start difference. First operand has 149 states, 128 states have (on average 1.734375) internal successors, (222), 148 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:29,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:29,096 INFO L93 Difference]: Finished difference Result 152 states and 224 transitions. [2022-10-16 16:04:29,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:04:29,099 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 16:04:29,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:29,112 INFO L225 Difference]: With dead ends: 152 [2022-10-16 16:04:29,113 INFO L226 Difference]: Without dead ends: 138 [2022-10-16 16:04:29,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:04:29,122 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:29,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:29,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-10-16 16:04:29,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-10-16 16:04:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 126 states have (on average 1.4761904761904763) internal successors, (186), 137 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 186 transitions. [2022-10-16 16:04:29,185 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 186 transitions. Word has length 4 [2022-10-16 16:04:29,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:29,186 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 186 transitions. [2022-10-16 16:04:29,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 186 transitions. [2022-10-16 16:04:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 16:04:29,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:29,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:29,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:04:29,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:29,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:29,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1516480365, now seen corresponding path program 1 times [2022-10-16 16:04:29,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:29,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011158425] [2022-10-16 16:04:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:29,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:29,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:29,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011158425] [2022-10-16 16:04:29,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011158425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:29,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:29,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:29,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355491873] [2022-10-16 16:04:29,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:29,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:29,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:29,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:29,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:29,533 INFO L87 Difference]: Start difference. First operand 138 states and 186 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:29,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:29,672 INFO L93 Difference]: Finished difference Result 332 states and 466 transitions. [2022-10-16 16:04:29,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:29,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 16:04:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:29,681 INFO L225 Difference]: With dead ends: 332 [2022-10-16 16:04:29,681 INFO L226 Difference]: Without dead ends: 227 [2022-10-16 16:04:29,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:29,688 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 136 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:29,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 424 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-10-16 16:04:29,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 215. [2022-10-16 16:04:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 203 states have (on average 1.5369458128078817) internal successors, (312), 214 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 312 transitions. [2022-10-16 16:04:29,761 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 312 transitions. Word has length 52 [2022-10-16 16:04:29,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:29,762 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 312 transitions. [2022-10-16 16:04:29,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 312 transitions. [2022-10-16 16:04:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 16:04:29,767 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:29,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:29,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:04:29,768 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:29,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:29,771 INFO L85 PathProgramCache]: Analyzing trace with hash 905899440, now seen corresponding path program 1 times [2022-10-16 16:04:29,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:29,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390700962] [2022-10-16 16:04:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:29,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:29,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:29,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390700962] [2022-10-16 16:04:29,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390700962] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:29,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:29,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:29,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417719385] [2022-10-16 16:04:29,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:29,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:29,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:29,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:29,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:29,958 INFO L87 Difference]: Start difference. First operand 215 states and 312 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:30,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:30,045 INFO L93 Difference]: Finished difference Result 547 states and 818 transitions. [2022-10-16 16:04:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:30,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-10-16 16:04:30,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:30,055 INFO L225 Difference]: With dead ends: 547 [2022-10-16 16:04:30,056 INFO L226 Difference]: Without dead ends: 365 [2022-10-16 16:04:30,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:30,070 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 131 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:30,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 409 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:30,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-10-16 16:04:30,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 353. [2022-10-16 16:04:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 341 states have (on average 1.5747800586510263) internal successors, (537), 352 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 537 transitions. [2022-10-16 16:04:30,152 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 537 transitions. Word has length 53 [2022-10-16 16:04:30,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:30,153 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 537 transitions. [2022-10-16 16:04:30,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 537 transitions. [2022-10-16 16:04:30,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 16:04:30,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:30,156 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] [2022-10-16 16:04:30,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:04:30,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:30,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:30,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2112901666, now seen corresponding path program 1 times [2022-10-16 16:04:30,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:30,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193569543] [2022-10-16 16:04:30,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:30,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:30,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:30,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193569543] [2022-10-16 16:04:30,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193569543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:30,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:30,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:30,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130153024] [2022-10-16 16:04:30,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:30,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:30,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:30,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:30,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:30,304 INFO L87 Difference]: Start difference. First operand 353 states and 537 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:30,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:30,385 INFO L93 Difference]: Finished difference Result 929 states and 1441 transitions. [2022-10-16 16:04:30,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:30,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-10-16 16:04:30,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:30,390 INFO L225 Difference]: With dead ends: 929 [2022-10-16 16:04:30,391 INFO L226 Difference]: Without dead ends: 609 [2022-10-16 16:04:30,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:30,394 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 126 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:30,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 394 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:30,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2022-10-16 16:04:30,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 597. [2022-10-16 16:04:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 585 states have (on average 1.594871794871795) internal successors, (933), 596 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 933 transitions. [2022-10-16 16:04:30,466 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 933 transitions. Word has length 54 [2022-10-16 16:04:30,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:30,467 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 933 transitions. [2022-10-16 16:04:30,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 933 transitions. [2022-10-16 16:04:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:04:30,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:30,469 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] [2022-10-16 16:04:30,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:04:30,470 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:30,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1133907019, now seen corresponding path program 1 times [2022-10-16 16:04:30,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:30,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918023586] [2022-10-16 16:04:30,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:30,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:30,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918023586] [2022-10-16 16:04:30,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918023586] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:30,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:30,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:30,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184984461] [2022-10-16 16:04:30,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:30,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:30,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:30,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:30,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:30,622 INFO L87 Difference]: Start difference. First operand 597 states and 933 transitions. 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) [2022-10-16 16:04:30,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:30,930 INFO L93 Difference]: Finished difference Result 1723 states and 2733 transitions. [2022-10-16 16:04:30,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:04:30,931 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 [2022-10-16 16:04:30,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:30,943 INFO L225 Difference]: With dead ends: 1723 [2022-10-16 16:04:30,943 INFO L226 Difference]: Without dead ends: 1721 [2022-10-16 16:04:30,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:04:30,946 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 448 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:30,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 530 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:30,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-10-16 16:04:31,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1149. [2022-10-16 16:04:31,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1137 states have (on average 1.5980650835532102) internal successors, (1817), 1148 states have internal predecessors, (1817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1817 transitions. [2022-10-16 16:04:31,103 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1817 transitions. Word has length 55 [2022-10-16 16:04:31,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:31,103 INFO L495 AbstractCegarLoop]: Abstraction has 1149 states and 1817 transitions. [2022-10-16 16:04:31,104 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) [2022-10-16 16:04:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1817 transitions. [2022-10-16 16:04:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:04:31,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:31,106 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] [2022-10-16 16:04:31,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:04:31,107 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:31,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:31,108 INFO L85 PathProgramCache]: Analyzing trace with hash -791379024, now seen corresponding path program 1 times [2022-10-16 16:04:31,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:31,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568889463] [2022-10-16 16:04:31,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:31,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:31,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:31,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568889463] [2022-10-16 16:04:31,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568889463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:31,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:31,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396649521] [2022-10-16 16:04:31,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:31,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:31,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:31,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:31,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:31,313 INFO L87 Difference]: Start difference. First operand 1149 states and 1817 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) [2022-10-16 16:04:31,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:31,595 INFO L93 Difference]: Finished difference Result 1711 states and 2717 transitions. [2022-10-16 16:04:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:04:31,595 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 [2022-10-16 16:04:31,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:31,608 INFO L225 Difference]: With dead ends: 1711 [2022-10-16 16:04:31,608 INFO L226 Difference]: Without dead ends: 1709 [2022-10-16 16:04:31,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:04:31,613 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 443 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:31,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 302 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:31,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2022-10-16 16:04:31,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1701. [2022-10-16 16:04:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1689 states have (on average 1.5896980461811723) internal successors, (2685), 1700 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:31,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2685 transitions. [2022-10-16 16:04:31,831 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2685 transitions. Word has length 56 [2022-10-16 16:04:31,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:31,832 INFO L495 AbstractCegarLoop]: Abstraction has 1701 states and 2685 transitions. [2022-10-16 16:04:31,833 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) [2022-10-16 16:04:31,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2685 transitions. [2022-10-16 16:04:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:04:31,838 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:31,839 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] [2022-10-16 16:04:31,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:04:31,839 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:31,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:31,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1237054231, now seen corresponding path program 1 times [2022-10-16 16:04:31,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:31,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984135850] [2022-10-16 16:04:31,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:31,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:32,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:32,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984135850] [2022-10-16 16:04:32,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984135850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:32,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:32,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:04:32,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917330134] [2022-10-16 16:04:32,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:32,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:04:32,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:32,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:04:32,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:04:32,010 INFO L87 Difference]: Start difference. First operand 1701 states and 2685 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) [2022-10-16 16:04:32,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:32,508 INFO L93 Difference]: Finished difference Result 2829 states and 4437 transitions. [2022-10-16 16:04:32,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:04:32,509 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 [2022-10-16 16:04:32,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:32,527 INFO L225 Difference]: With dead ends: 2829 [2022-10-16 16:04:32,527 INFO L226 Difference]: Without dead ends: 2827 [2022-10-16 16:04:32,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:04:32,530 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 860 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:32,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 801 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:32,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2827 states. [2022-10-16 16:04:32,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2827 to 2253. [2022-10-16 16:04:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 2241 states have (on average 1.5783132530120483) internal successors, (3537), 2252 states have internal predecessors, (3537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3537 transitions. [2022-10-16 16:04:32,783 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3537 transitions. Word has length 57 [2022-10-16 16:04:32,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:32,784 INFO L495 AbstractCegarLoop]: Abstraction has 2253 states and 3537 transitions. [2022-10-16 16:04:32,784 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) [2022-10-16 16:04:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3537 transitions. [2022-10-16 16:04:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:04:32,785 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:32,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:32,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:04:32,786 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:32,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:32,787 INFO L85 PathProgramCache]: Analyzing trace with hash -306024302, now seen corresponding path program 1 times [2022-10-16 16:04:32,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:32,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385181054] [2022-10-16 16:04:32,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:32,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:32,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385181054] [2022-10-16 16:04:32,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385181054] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:32,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:32,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:04:32,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226581219] [2022-10-16 16:04:32,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:32,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:04:32,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:04:32,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:04:32,926 INFO L87 Difference]: Start difference. First operand 2253 states and 3537 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) [2022-10-16 16:04:33,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:33,404 INFO L93 Difference]: Finished difference Result 2821 states and 4421 transitions. [2022-10-16 16:04:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:04:33,404 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 [2022-10-16 16:04:33,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:33,422 INFO L225 Difference]: With dead ends: 2821 [2022-10-16 16:04:33,422 INFO L226 Difference]: Without dead ends: 2819 [2022-10-16 16:04:33,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:04:33,425 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 761 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:33,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 541 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:33,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2819 states. [2022-10-16 16:04:33,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2819 to 2805. [2022-10-16 16:04:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2805 states, 2793 states have (on average 1.5656999641962048) internal successors, (4373), 2804 states have internal predecessors, (4373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:33,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 4373 transitions. [2022-10-16 16:04:33,768 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 4373 transitions. Word has length 58 [2022-10-16 16:04:33,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:33,769 INFO L495 AbstractCegarLoop]: Abstraction has 2805 states and 4373 transitions. [2022-10-16 16:04:33,769 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) [2022-10-16 16:04:33,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 4373 transitions. [2022-10-16 16:04:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:04:33,770 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:33,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:33,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:04:33,771 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:33,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:33,772 INFO L85 PathProgramCache]: Analyzing trace with hash -896818567, now seen corresponding path program 1 times [2022-10-16 16:04:33,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:33,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217077528] [2022-10-16 16:04:33,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:33,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:33,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:33,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217077528] [2022-10-16 16:04:33,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217077528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:33,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:33,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:33,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774367915] [2022-10-16 16:04:33,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:33,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:33,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:33,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:33,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:33,897 INFO L87 Difference]: Start difference. First operand 2805 states and 4373 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:34,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:34,643 INFO L93 Difference]: Finished difference Result 7253 states and 11301 transitions. [2022-10-16 16:04:34,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:04:34,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 16:04:34,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:34,673 INFO L225 Difference]: With dead ends: 7253 [2022-10-16 16:04:34,673 INFO L226 Difference]: Without dead ends: 4481 [2022-10-16 16:04:34,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:04:34,702 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 1325 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1325 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:34,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1325 Valid, 1104 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:34,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2022-10-16 16:04:35,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 3357. [2022-10-16 16:04:35,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3357 states, 3345 states have (on average 1.5476831091180867) internal successors, (5177), 3356 states have internal predecessors, (5177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 5177 transitions. [2022-10-16 16:04:35,065 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 5177 transitions. Word has length 59 [2022-10-16 16:04:35,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:35,089 INFO L495 AbstractCegarLoop]: Abstraction has 3357 states and 5177 transitions. [2022-10-16 16:04:35,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 5177 transitions. [2022-10-16 16:04:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:04:35,091 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:35,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:35,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:04:35,093 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:35,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:35,094 INFO L85 PathProgramCache]: Analyzing trace with hash 993872455, now seen corresponding path program 1 times [2022-10-16 16:04:35,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:35,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539810959] [2022-10-16 16:04:35,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:35,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:35,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:35,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539810959] [2022-10-16 16:04:35,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539810959] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:35,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:35,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:35,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828160059] [2022-10-16 16:04:35,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:35,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:35,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:35,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:35,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:35,177 INFO L87 Difference]: Start difference. First operand 3357 states and 5177 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:35,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:35,788 INFO L93 Difference]: Finished difference Result 9093 states and 14025 transitions. [2022-10-16 16:04:35,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:35,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 16:04:35,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:35,825 INFO L225 Difference]: With dead ends: 9093 [2022-10-16 16:04:35,825 INFO L226 Difference]: Without dead ends: 5769 [2022-10-16 16:04:35,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:35,833 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 137 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:35,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 447 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:35,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5769 states. [2022-10-16 16:04:36,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5769 to 5757. [2022-10-16 16:04:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5757 states, 5745 states have (on average 1.5375108790252394) internal successors, (8833), 5756 states have internal predecessors, (8833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:36,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5757 states to 5757 states and 8833 transitions. [2022-10-16 16:04:36,504 INFO L78 Accepts]: Start accepts. Automaton has 5757 states and 8833 transitions. Word has length 60 [2022-10-16 16:04:36,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:36,504 INFO L495 AbstractCegarLoop]: Abstraction has 5757 states and 8833 transitions. [2022-10-16 16:04:36,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 5757 states and 8833 transitions. [2022-10-16 16:04:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:04:36,506 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:36,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:36,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:04:36,506 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:36,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:36,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2031571596, now seen corresponding path program 1 times [2022-10-16 16:04:36,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:36,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591709588] [2022-10-16 16:04:36,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:36,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:36,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:36,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591709588] [2022-10-16 16:04:36,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591709588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:36,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:36,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:04:36,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684486471] [2022-10-16 16:04:36,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:36,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:04:36,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:36,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:04:36,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:04:36,691 INFO L87 Difference]: Start difference. First operand 5757 states and 8833 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:38,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:38,122 INFO L93 Difference]: Finished difference Result 9595 states and 14849 transitions. [2022-10-16 16:04:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:04:38,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-16 16:04:38,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:38,165 INFO L225 Difference]: With dead ends: 9595 [2022-10-16 16:04:38,165 INFO L226 Difference]: Without dead ends: 9593 [2022-10-16 16:04:38,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:04:38,170 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 1704 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:38,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 822 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:04:38,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9593 states. [2022-10-16 16:04:39,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9593 to 9565. [2022-10-16 16:04:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9565 states, 9553 states have (on average 1.534282424369308) internal successors, (14657), 9564 states have internal predecessors, (14657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9565 states to 9565 states and 14657 transitions. [2022-10-16 16:04:39,229 INFO L78 Accepts]: Start accepts. Automaton has 9565 states and 14657 transitions. Word has length 60 [2022-10-16 16:04:39,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:39,230 INFO L495 AbstractCegarLoop]: Abstraction has 9565 states and 14657 transitions. [2022-10-16 16:04:39,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 9565 states and 14657 transitions. [2022-10-16 16:04:39,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:04:39,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:39,233 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:39,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:04:39,233 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:39,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:39,234 INFO L85 PathProgramCache]: Analyzing trace with hash 498399468, now seen corresponding path program 1 times [2022-10-16 16:04:39,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:39,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723056454] [2022-10-16 16:04:39,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:39,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:39,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723056454] [2022-10-16 16:04:39,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723056454] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:39,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:39,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:39,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912188596] [2022-10-16 16:04:39,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:39,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:39,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:39,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:39,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:39,370 INFO L87 Difference]: Start difference. First operand 9565 states and 14657 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:41,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:41,046 INFO L93 Difference]: Finished difference Result 27749 states and 42465 transitions. [2022-10-16 16:04:41,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:41,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:04:41,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:41,111 INFO L225 Difference]: With dead ends: 27749 [2022-10-16 16:04:41,112 INFO L226 Difference]: Without dead ends: 18217 [2022-10-16 16:04:41,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:41,133 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 109 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:41,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 381 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:41,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18217 states. [2022-10-16 16:04:42,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18217 to 18205. [2022-10-16 16:04:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18205 states, 18193 states have (on average 1.5215192656516243) internal successors, (27681), 18204 states have internal predecessors, (27681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18205 states to 18205 states and 27681 transitions. [2022-10-16 16:04:42,642 INFO L78 Accepts]: Start accepts. Automaton has 18205 states and 27681 transitions. Word has length 86 [2022-10-16 16:04:42,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:42,643 INFO L495 AbstractCegarLoop]: Abstraction has 18205 states and 27681 transitions. [2022-10-16 16:04:42,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 18205 states and 27681 transitions. [2022-10-16 16:04:42,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:04:42,648 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:42,648 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:42,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:04:42,649 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:42,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:42,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1536737219, now seen corresponding path program 1 times [2022-10-16 16:04:42,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:42,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930707852] [2022-10-16 16:04:42,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:42,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:04:42,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:42,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930707852] [2022-10-16 16:04:42,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930707852] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:42,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:42,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:42,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550280669] [2022-10-16 16:04:42,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:42,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:04:42,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:42,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:04:42,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:42,794 INFO L87 Difference]: Start difference. First operand 18205 states and 27681 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:45,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:45,008 INFO L93 Difference]: Finished difference Result 25485 states and 38945 transitions. [2022-10-16 16:04:45,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:04:45,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:04:45,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:45,092 INFO L225 Difference]: With dead ends: 25485 [2022-10-16 16:04:45,092 INFO L226 Difference]: Without dead ends: 25483 [2022-10-16 16:04:45,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:04:45,106 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 248 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:45,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 563 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:04:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25483 states. [2022-10-16 16:04:46,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25483 to 21837. [2022-10-16 16:04:47,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21837 states, 21825 states have (on average 1.5234364261168385) internal successors, (33249), 21836 states have internal predecessors, (33249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21837 states to 21837 states and 33249 transitions. [2022-10-16 16:04:47,078 INFO L78 Accepts]: Start accepts. Automaton has 21837 states and 33249 transitions. Word has length 88 [2022-10-16 16:04:47,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:47,078 INFO L495 AbstractCegarLoop]: Abstraction has 21837 states and 33249 transitions. [2022-10-16 16:04:47,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 21837 states and 33249 transitions. [2022-10-16 16:04:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:04:47,083 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:47,083 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:47,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:04:47,084 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:47,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:47,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1556322382, now seen corresponding path program 1 times [2022-10-16 16:04:47,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:47,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239962457] [2022-10-16 16:04:47,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:47,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:47,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:04:47,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:47,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239962457] [2022-10-16 16:04:47,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239962457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:47,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:47,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:47,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119256012] [2022-10-16 16:04:47,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:47,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:47,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:47,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:47,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:47,214 INFO L87 Difference]: Start difference. First operand 21837 states and 33249 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:49,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:49,800 INFO L93 Difference]: Finished difference Result 48855 states and 74195 transitions. [2022-10-16 16:04:49,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:49,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:04:49,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:49,880 INFO L225 Difference]: With dead ends: 48855 [2022-10-16 16:04:49,881 INFO L226 Difference]: Without dead ends: 27051 [2022-10-16 16:04:49,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:49,934 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 93 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:49,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 331 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:49,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27051 states. [2022-10-16 16:04:52,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27051 to 26855. [2022-10-16 16:04:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26855 states, 26843 states have (on average 1.512312334686883) internal successors, (40595), 26854 states have internal predecessors, (40595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26855 states to 26855 states and 40595 transitions. [2022-10-16 16:04:52,827 INFO L78 Accepts]: Start accepts. Automaton has 26855 states and 40595 transitions. Word has length 88 [2022-10-16 16:04:52,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:04:52,828 INFO L495 AbstractCegarLoop]: Abstraction has 26855 states and 40595 transitions. [2022-10-16 16:04:52,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 26855 states and 40595 transitions. [2022-10-16 16:04:52,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:04:52,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:04:52,832 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:04:52,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:04:52,833 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:04:52,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:04:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash -543723498, now seen corresponding path program 1 times [2022-10-16 16:04:52,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:04:52,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420531574] [2022-10-16 16:04:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:04:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:04:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:04:52,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:04:52,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:04:52,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420531574] [2022-10-16 16:04:52,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420531574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:04:52,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:04:52,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:04:52,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569396686] [2022-10-16 16:04:52,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:04:52,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:04:52,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:04:52,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:04:52,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:52,910 INFO L87 Difference]: Start difference. First operand 26855 states and 40595 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:04:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:04:57,355 INFO L93 Difference]: Finished difference Result 77519 states and 116915 transitions. [2022-10-16 16:04:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:04:57,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:04:57,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:04:57,453 INFO L225 Difference]: With dead ends: 77519 [2022-10-16 16:04:57,453 INFO L226 Difference]: Without dead ends: 50699 [2022-10-16 16:04:57,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:04:57,496 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 106 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:04:57,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 363 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:04:57,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50699 states. [2022-10-16 16:05:02,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50699 to 50687. [2022-10-16 16:05:02,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50687 states, 50675 states have (on average 1.4972866304884065) internal successors, (75875), 50686 states have internal predecessors, (75875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50687 states to 50687 states and 75875 transitions. [2022-10-16 16:05:02,218 INFO L78 Accepts]: Start accepts. Automaton has 50687 states and 75875 transitions. Word has length 88 [2022-10-16 16:05:02,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:02,218 INFO L495 AbstractCegarLoop]: Abstraction has 50687 states and 75875 transitions. [2022-10-16 16:05:02,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 50687 states and 75875 transitions. [2022-10-16 16:05:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:05:02,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:02,224 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:02,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:05:02,225 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:05:02,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:02,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1150544483, now seen corresponding path program 1 times [2022-10-16 16:05:02,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:02,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455953268] [2022-10-16 16:05:02,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:02,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:02,295 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:05:02,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:02,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455953268] [2022-10-16 16:05:02,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455953268] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:02,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:02,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:02,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804239061] [2022-10-16 16:05:02,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:02,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:05:02,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:02,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:05:02,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:02,298 INFO L87 Difference]: Start difference. First operand 50687 states and 75875 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:10,847 INFO L93 Difference]: Finished difference Result 146711 states and 218915 transitions. [2022-10-16 16:05:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:05:10,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2022-10-16 16:05:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:11,076 INFO L225 Difference]: With dead ends: 146711 [2022-10-16 16:05:11,077 INFO L226 Difference]: Without dead ends: 96059 [2022-10-16 16:05:11,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:05:11,136 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 110 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:11,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 396 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:05:11,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96059 states. [2022-10-16 16:05:20,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96059 to 96047. [2022-10-16 16:05:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96047 states, 96035 states have (on average 1.4798250637788306) internal successors, (142115), 96046 states have internal predecessors, (142115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96047 states to 96047 states and 142115 transitions. [2022-10-16 16:05:20,441 INFO L78 Accepts]: Start accepts. Automaton has 96047 states and 142115 transitions. Word has length 88 [2022-10-16 16:05:20,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:20,441 INFO L495 AbstractCegarLoop]: Abstraction has 96047 states and 142115 transitions. [2022-10-16 16:05:20,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 96047 states and 142115 transitions. [2022-10-16 16:05:20,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:05:20,449 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:20,450 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:20,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:05:20,450 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:05:20,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:20,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1677022465, now seen corresponding path program 1 times [2022-10-16 16:05:20,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:20,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640482929] [2022-10-16 16:05:20,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:20,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:05:20,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:20,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640482929] [2022-10-16 16:05:20,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640482929] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:20,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:20,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:05:20,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811959352] [2022-10-16 16:05:20,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:20,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:05:20,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:20,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:05:20,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:20,633 INFO L87 Difference]: Start difference. First operand 96047 states and 142115 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:32,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:32,366 INFO L93 Difference]: Finished difference Result 128065 states and 190307 transitions. [2022-10-16 16:05:32,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:05:32,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:05:32,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:32,743 INFO L225 Difference]: With dead ends: 128065 [2022-10-16 16:05:32,743 INFO L226 Difference]: Without dead ends: 128063 [2022-10-16 16:05:32,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:05:32,777 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 241 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:32,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 577 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:05:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128063 states. [2022-10-16 16:05:43,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128063 to 118607. [2022-10-16 16:05:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118607 states, 118595 states have (on average 1.4854167545006114) internal successors, (176163), 118606 states have internal predecessors, (176163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118607 states to 118607 states and 176163 transitions. [2022-10-16 16:05:44,043 INFO L78 Accepts]: Start accepts. Automaton has 118607 states and 176163 transitions. Word has length 90 [2022-10-16 16:05:44,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:05:44,043 INFO L495 AbstractCegarLoop]: Abstraction has 118607 states and 176163 transitions. [2022-10-16 16:05:44,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 118607 states and 176163 transitions. [2022-10-16 16:05:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:05:44,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:05:44,054 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:05:44,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:05:44,055 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:05:44,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:05:44,055 INFO L85 PathProgramCache]: Analyzing trace with hash -664276059, now seen corresponding path program 1 times [2022-10-16 16:05:44,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:05:44,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699029418] [2022-10-16 16:05:44,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:05:44,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:05:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:05:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:05:44,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:05:44,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699029418] [2022-10-16 16:05:44,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699029418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:05:44,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:05:44,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:05:44,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885251286] [2022-10-16 16:05:44,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:05:44,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:05:44,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:05:44,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:05:44,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:05:44,194 INFO L87 Difference]: Start difference. First operand 118607 states and 176163 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:05:56,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:05:56,293 INFO L93 Difference]: Finished difference Result 137505 states and 204259 transitions. [2022-10-16 16:05:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:05:56,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:05:56,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:05:56,697 INFO L225 Difference]: With dead ends: 137505 [2022-10-16 16:05:56,697 INFO L226 Difference]: Without dead ends: 137503 [2022-10-16 16:05:56,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:05:56,741 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 548 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:05:56,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 763 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:05:56,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137503 states. [2022-10-16 16:06:09,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137503 to 137487. [2022-10-16 16:06:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137487 states, 137475 states have (on average 1.4811347517730495) internal successors, (203619), 137486 states have internal predecessors, (203619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137487 states to 137487 states and 203619 transitions. [2022-10-16 16:06:09,660 INFO L78 Accepts]: Start accepts. Automaton has 137487 states and 203619 transitions. Word has length 90 [2022-10-16 16:06:09,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:09,661 INFO L495 AbstractCegarLoop]: Abstraction has 137487 states and 203619 transitions. [2022-10-16 16:06:09,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 137487 states and 203619 transitions. [2022-10-16 16:06:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:06:09,671 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:09,672 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:09,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:06:09,673 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:06:09,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:09,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1361873338, now seen corresponding path program 1 times [2022-10-16 16:06:09,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:09,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072302247] [2022-10-16 16:06:09,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:09,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:06:10,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:10,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072302247] [2022-10-16 16:06:10,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072302247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:10,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:10,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:06:10,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511173584] [2022-10-16 16:06:10,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:10,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:06:10,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:10,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:06:10,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:06:10,155 INFO L87 Difference]: Start difference. First operand 137487 states and 203619 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:22,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:22,927 INFO L93 Difference]: Finished difference Result 146943 states and 217251 transitions. [2022-10-16 16:06:22,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:06:22,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:06:22,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:23,349 INFO L225 Difference]: With dead ends: 146943 [2022-10-16 16:06:23,350 INFO L226 Difference]: Without dead ends: 146941 [2022-10-16 16:06:23,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:06:23,390 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 545 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:23,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 734 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:06:23,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146941 states. [2022-10-16 16:06:36,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146941 to 142231. [2022-10-16 16:06:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142231 states, 142219 states have (on average 1.4771795610994312) internal successors, (210083), 142230 states have internal predecessors, (210083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142231 states to 142231 states and 210083 transitions. [2022-10-16 16:06:37,368 INFO L78 Accepts]: Start accepts. Automaton has 142231 states and 210083 transitions. Word has length 90 [2022-10-16 16:06:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:37,369 INFO L495 AbstractCegarLoop]: Abstraction has 142231 states and 210083 transitions. [2022-10-16 16:06:37,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:06:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 142231 states and 210083 transitions. [2022-10-16 16:06:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 16:06:37,378 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:37,378 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:06:37,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:06:37,379 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:06:37,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:37,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1397884644, now seen corresponding path program 1 times [2022-10-16 16:06:37,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:37,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542661433] [2022-10-16 16:06:37,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:37,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:06:37,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:37,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542661433] [2022-10-16 16:06:37,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542661433] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:37,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:37,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:06:37,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783748016] [2022-10-16 16:06:37,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:37,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:06:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:37,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:06:37,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:06:37,483 INFO L87 Difference]: Start difference. First operand 142231 states and 210083 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:04,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:04,184 INFO L93 Difference]: Finished difference Result 410959 states and 604547 transitions. [2022-10-16 16:07:04,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:07:04,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 16:07:04,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:05,011 INFO L225 Difference]: With dead ends: 410959 [2022-10-16 16:07:05,011 INFO L226 Difference]: Without dead ends: 267667 [2022-10-16 16:07:05,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:07:05,229 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 111 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:05,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 415 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:07:05,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267667 states. [2022-10-16 16:07:31,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267667 to 267655. [2022-10-16 16:07:32,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267655 states, 267643 states have (on average 1.457848701441846) internal successors, (390183), 267654 states have internal predecessors, (390183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267655 states to 267655 states and 390183 transitions. [2022-10-16 16:07:33,582 INFO L78 Accepts]: Start accepts. Automaton has 267655 states and 390183 transitions. Word has length 90 [2022-10-16 16:07:33,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:33,583 INFO L495 AbstractCegarLoop]: Abstraction has 267655 states and 390183 transitions. [2022-10-16 16:07:33,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 267655 states and 390183 transitions. [2022-10-16 16:07:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:07:33,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:33,600 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:07:33,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:07:33,600 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 16:07:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash -448088666, now seen corresponding path program 1 times [2022-10-16 16:07:33,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:33,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438403121] [2022-10-16 16:07:33,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:33,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:07:33,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:33,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438403121] [2022-10-16 16:07:33,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438403121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:33,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:33,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:33,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907938017] [2022-10-16 16:07:33,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:33,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:07:33,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:33,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:07:33,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:33,717 INFO L87 Difference]: Start difference. First operand 267655 states and 390183 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)