/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/float-newlib/float_req_bl_1121b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:03:25,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:03:25,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:03:25,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:03:25,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:03:25,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:03:25,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:03:25,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:03:25,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:03:25,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:03:25,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:03:25,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:03:25,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:03:25,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:03:25,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:03:25,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:03:25,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:03:25,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:03:25,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:03:25,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:03:25,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:03:25,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:03:25,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:03:25,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:03:25,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:03:25,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:03:25,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:03:25,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:03:25,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:03:25,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:03:25,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:03:25,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:03:25,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:03:25,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:03:25,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:03:25,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:03:25,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:03:25,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:03:25,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:03:25,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:03:25,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:03:25,605 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 12:03:25,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:03:25,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:03:25,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:03:25,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:03:25,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:03:25,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:03:25,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:03:25,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:03:25,664 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:03:25,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:03:25,666 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:03:25,666 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:03:25,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:03:25,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:03:25,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:03:25,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:03:25,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:03:25,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:03:25,667 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:03:25,667 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:03:25,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:03:25,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:03:25,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:03:25,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:03:25,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:03:25,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:03:25,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:03:25,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:03:25,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:03:25,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:03:25,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:03:25,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:03:25,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:03:25,670 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:03:26,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:03:26,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:03:26,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:03:26,105 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:03:26,106 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:03:26,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2022-10-16 12:03:26,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427cae72e/4b806b7439c74ef7bd54556fc03d436e/FLAG59852b89a [2022-10-16 12:03:26,840 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:03:26,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2022-10-16 12:03:26,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427cae72e/4b806b7439c74ef7bd54556fc03d436e/FLAG59852b89a [2022-10-16 12:03:27,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/427cae72e/4b806b7439c74ef7bd54556fc03d436e [2022-10-16 12:03:27,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:03:27,176 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:03:27,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:03:27,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:03:27,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:03:27,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5518405e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27, skipping insertion in model container [2022-10-16 12:03:27,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:03:27,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:03:27,434 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/float-newlib/float_req_bl_1121b.c[2700,2713] [2022-10-16 12:03:27,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:03:27,444 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:03:27,484 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/float-newlib/float_req_bl_1121b.c[2700,2713] [2022-10-16 12:03:27,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:03:27,503 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:03:27,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27 WrapperNode [2022-10-16 12:03:27,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:03:27,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:03:27,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:03:27,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:03:27,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,570 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 249 [2022-10-16 12:03:27,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:03:27,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:03:27,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:03:27,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:03:27,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,656 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:03:27,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:03:27,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:03:27,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:03:27,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (1/1) ... [2022-10-16 12:03:27,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:03:27,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:03:27,734 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 12:03:27,751 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 12:03:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:03:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:03:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:03:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:03:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 12:03:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 12:03:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:03:27,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:03:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:03:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-10-16 12:03:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:03:27,901 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:03:27,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:03:28,488 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:03:28,497 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:03:28,497 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-10-16 12:03:28,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:03:28 BoogieIcfgContainer [2022-10-16 12:03:28,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:03:28,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:03:28,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:03:28,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:03:28,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:03:27" (1/3) ... [2022-10-16 12:03:28,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a30b49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:03:28, skipping insertion in model container [2022-10-16 12:03:28,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:03:27" (2/3) ... [2022-10-16 12:03:28,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a30b49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:03:28, skipping insertion in model container [2022-10-16 12:03:28,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:03:28" (3/3) ... [2022-10-16 12:03:28,511 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121b.c [2022-10-16 12:03:28,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:03:28,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-10-16 12:03:28,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:03:28,664 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;@570a86b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:03:28,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-10-16 12:03:28,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 93 states have (on average 1.913978494623656) internal successors, (178), 137 states have internal predecessors, (178), 0 states have call successors, (0), 0 states 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 12:03:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 12:03:28,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:03:28,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:28,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 12:03:28,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:03:28,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1362378777, now seen corresponding path program 1 times [2022-10-16 12:03:28,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:03:28,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481889240] [2022-10-16 12:03:28,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:03:28,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:03:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:03:28,935 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 12:03:28,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:03:28,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481889240] [2022-10-16 12:03:28,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481889240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:03:28,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:03:28,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:03:28,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195439113] [2022-10-16 12:03:28,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:03:28,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:03:28,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:03:28,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:03:28,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:03:28,997 INFO L87 Difference]: Start difference. First operand has 138 states, 93 states have (on average 1.913978494623656) internal successors, (178), 137 states have internal predecessors, (178), 0 states have call successors, (0), 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, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states 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 12:03:29,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:03:29,046 INFO L93 Difference]: Finished difference Result 274 states and 354 transitions. [2022-10-16 12:03:29,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:03:29,049 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-10-16 12:03:29,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:03:29,060 INFO L225 Difference]: With dead ends: 274 [2022-10-16 12:03:29,060 INFO L226 Difference]: Without dead ends: 126 [2022-10-16 12:03:29,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 12:03:29,069 INFO L413 NwaCegarLoop]: 157 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, 157 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 12:03:29,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:03:29,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-10-16 12:03:29,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-10-16 12:03:29,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 82 states have (on average 1.6951219512195121) internal successors, (139), 125 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:03:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 139 transitions. [2022-10-16 12:03:29,117 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 139 transitions. Word has length 11 [2022-10-16 12:03:29,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:03:29,117 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 139 transitions. [2022-10-16 12:03:29,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states 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 12:03:29,118 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 139 transitions. [2022-10-16 12:03:29,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 12:03:29,118 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:03:29,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:29,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:03:29,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 12:03:29,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:03:29,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1943641596, now seen corresponding path program 1 times [2022-10-16 12:03:29,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:03:29,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999467827] [2022-10-16 12:03:29,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:03:29,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:03:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:03:29,462 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 12:03:29,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:03:29,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999467827] [2022-10-16 12:03:29,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999467827] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:03:29,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:03:29,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:03:29,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376838500] [2022-10-16 12:03:29,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:03:29,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:03:29,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:03:29,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:03:29,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:03:29,467 INFO L87 Difference]: Start difference. First operand 126 states and 139 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states 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 12:03:29,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:03:29,611 INFO L93 Difference]: Finished difference Result 270 states and 298 transitions. [2022-10-16 12:03:29,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:03:29,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 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 13 [2022-10-16 12:03:29,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:03:29,615 INFO L225 Difference]: With dead ends: 270 [2022-10-16 12:03:29,616 INFO L226 Difference]: Without dead ends: 163 [2022-10-16 12:03:29,617 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 12:03:29,619 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 80 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:03:29,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 223 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:03:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-10-16 12:03:29,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 147. [2022-10-16 12:03:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 103 states have (on average 1.6601941747572815) internal successors, (171), 146 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:03:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2022-10-16 12:03:29,637 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 13 [2022-10-16 12:03:29,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:03:29,638 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2022-10-16 12:03:29,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states 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 12:03:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2022-10-16 12:03:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 12:03:29,639 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:03:29,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:29,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:03:29,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 12:03:29,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:03:29,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1722199671, now seen corresponding path program 1 times [2022-10-16 12:03:29,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:03:29,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065256874] [2022-10-16 12:03:29,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:03:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:03:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:03:29,878 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 12:03:29,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:03:29,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065256874] [2022-10-16 12:03:29,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065256874] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:03:29,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:03:29,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:03:29,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720294252] [2022-10-16 12:03:29,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:03:29,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:03:29,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:03:29,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:03:29,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:03:29,882 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states 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 12:03:30,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:03:30,018 INFO L93 Difference]: Finished difference Result 348 states and 380 transitions. [2022-10-16 12:03:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:03:30,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-16 12:03:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:03:30,022 INFO L225 Difference]: With dead ends: 348 [2022-10-16 12:03:30,022 INFO L226 Difference]: Without dead ends: 249 [2022-10-16 12:03:30,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:03:30,025 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 176 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:03:30,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 374 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:03:30,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-10-16 12:03:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 144. [2022-10-16 12:03:30,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 100 states have (on average 1.65) internal successors, (165), 143 states have internal predecessors, (165), 0 states have call successors, (0), 0 states 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 12:03:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2022-10-16 12:03:30,044 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 16 [2022-10-16 12:03:30,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:03:30,044 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2022-10-16 12:03:30,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states 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 12:03:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2022-10-16 12:03:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 12:03:30,045 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:03:30,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:30,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:03:30,046 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 12:03:30,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:03:30,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1321394850, now seen corresponding path program 1 times [2022-10-16 12:03:30,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:03:30,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727775952] [2022-10-16 12:03:30,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:03:30,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:03:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:03:30,114 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 12:03:30,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:03:30,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727775952] [2022-10-16 12:03:30,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727775952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:03:30,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:03:30,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:03:30,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905906730] [2022-10-16 12:03:30,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:03:30,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:03:30,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:03:30,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:03:30,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:03:30,118 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states 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 12:03:30,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:03:30,252 INFO L93 Difference]: Finished difference Result 233 states and 264 transitions. [2022-10-16 12:03:30,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:03:30,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-16 12:03:30,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:03:30,255 INFO L225 Difference]: With dead ends: 233 [2022-10-16 12:03:30,256 INFO L226 Difference]: Without dead ends: 213 [2022-10-16 12:03:30,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:03:30,258 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 85 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 253 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 12:03:30,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 253 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:03:30,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-10-16 12:03:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 180. [2022-10-16 12:03:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 138 states have (on average 1.6521739130434783) internal successors, (228), 179 states have internal predecessors, (228), 0 states have call successors, (0), 0 states 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 12:03:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions. [2022-10-16 12:03:30,292 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 16 [2022-10-16 12:03:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:03:30,292 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions. [2022-10-16 12:03:30,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states 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 12:03:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2022-10-16 12:03:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 12:03:30,293 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:03:30,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:30,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:03:30,294 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 12:03:30,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:03:30,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1321394114, now seen corresponding path program 1 times [2022-10-16 12:03:30,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:03:30,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870957869] [2022-10-16 12:03:30,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:03:30,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:03:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:03:30,386 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 12:03:30,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:03:30,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870957869] [2022-10-16 12:03:30,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870957869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:03:30,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:03:30,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:03:30,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056554601] [2022-10-16 12:03:30,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:03:30,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:03:30,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:03:30,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:03:30,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:03:30,390 INFO L87 Difference]: Start difference. First operand 180 states and 228 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states 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 12:03:30,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:03:30,473 INFO L93 Difference]: Finished difference Result 239 states and 293 transitions. [2022-10-16 12:03:30,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:03:30,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-10-16 12:03:30,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:03:30,476 INFO L225 Difference]: With dead ends: 239 [2022-10-16 12:03:30,476 INFO L226 Difference]: Without dead ends: 237 [2022-10-16 12:03:30,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:03:30,478 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 105 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:03:30,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 220 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:03:30,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2022-10-16 12:03:30,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 201. [2022-10-16 12:03:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 160 states have (on average 1.65625) internal successors, (265), 200 states have internal predecessors, (265), 0 states have call successors, (0), 0 states 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 12:03:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 265 transitions. [2022-10-16 12:03:30,493 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 265 transitions. Word has length 16 [2022-10-16 12:03:30,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:03:30,493 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 265 transitions. [2022-10-16 12:03:30,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states 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 12:03:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 265 transitions. [2022-10-16 12:03:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 12:03:30,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:03:30,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:30,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:03:30,496 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 12:03:30,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:03:30,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1848583516, now seen corresponding path program 1 times [2022-10-16 12:03:30,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:03:30,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323440441] [2022-10-16 12:03:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:03:30,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:03:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:03:30,544 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 12:03:30,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:03:30,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323440441] [2022-10-16 12:03:30,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323440441] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:03:30,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:03:30,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:03:30,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123520765] [2022-10-16 12:03:30,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:03:30,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:03:30,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:03:30,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:03:30,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:03:30,548 INFO L87 Difference]: Start difference. First operand 201 states and 265 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states 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 12:03:30,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:03:30,599 INFO L93 Difference]: Finished difference Result 334 states and 440 transitions. [2022-10-16 12:03:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:03:30,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2022-10-16 12:03:30,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:03:30,602 INFO L225 Difference]: With dead ends: 334 [2022-10-16 12:03:30,602 INFO L226 Difference]: Without dead ends: 333 [2022-10-16 12:03:30,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:03:30,604 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 96 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:03:30,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 312 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:03:30,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-10-16 12:03:30,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 200. [2022-10-16 12:03:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 160 states have (on average 1.6375) internal successors, (262), 199 states have internal predecessors, (262), 0 states have call successors, (0), 0 states 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 12:03:30,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 262 transitions. [2022-10-16 12:03:30,616 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 262 transitions. Word has length 17 [2022-10-16 12:03:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:03:30,617 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 262 transitions. [2022-10-16 12:03:30,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states 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 12:03:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2022-10-16 12:03:30,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 12:03:30,618 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:03:30,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:30,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:03:30,619 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 12:03:30,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:03:30,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1848582780, now seen corresponding path program 1 times [2022-10-16 12:03:30,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:03:30,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644639084] [2022-10-16 12:03:30,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:03:30,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:03:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:03:30,751 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 12:03:30,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:03:30,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644639084] [2022-10-16 12:03:30,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644639084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:03:30,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:03:30,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:03:30,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335635430] [2022-10-16 12:03:30,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:03:30,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:03:30,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:03:30,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:03:30,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:03:30,755 INFO L87 Difference]: Start difference. First operand 200 states and 262 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states 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 12:03:30,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:03:30,906 INFO L93 Difference]: Finished difference Result 358 states and 425 transitions. [2022-10-16 12:03:30,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:03:30,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 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 17 [2022-10-16 12:03:30,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:03:30,909 INFO L225 Difference]: With dead ends: 358 [2022-10-16 12:03:30,909 INFO L226 Difference]: Without dead ends: 277 [2022-10-16 12:03:30,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:03:30,911 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 141 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:03:30,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 445 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:03:30,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-10-16 12:03:30,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 198. [2022-10-16 12:03:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 158 states have (on average 1.6265822784810127) internal successors, (257), 197 states have internal predecessors, (257), 0 states have call successors, (0), 0 states 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 12:03:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 257 transitions. [2022-10-16 12:03:30,921 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 257 transitions. Word has length 17 [2022-10-16 12:03:30,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:03:30,921 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 257 transitions. [2022-10-16 12:03:30,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states 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 12:03:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 257 transitions. [2022-10-16 12:03:30,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 12:03:30,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:03:30,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:30,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:03:30,923 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2022-10-16 12:03:30,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:03:30,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1986432709, now seen corresponding path program 1 times [2022-10-16 12:03:30,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:03:30,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408936882] [2022-10-16 12:03:30,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:03:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:03:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:03:30,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:03:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:03:31,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:03:31,001 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:03:31,003 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 44 remaining) [2022-10-16 12:03:31,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 44 remaining) [2022-10-16 12:03:31,005 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 44 remaining) [2022-10-16 12:03:31,007 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 44 remaining) [2022-10-16 12:03:31,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 44 remaining) [2022-10-16 12:03:31,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 44 remaining) [2022-10-16 12:03:31,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 44 remaining) [2022-10-16 12:03:31,008 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 44 remaining) [2022-10-16 12:03:31,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 44 remaining) [2022-10-16 12:03:31,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 44 remaining) [2022-10-16 12:03:31,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 44 remaining) [2022-10-16 12:03:31,009 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 44 remaining) [2022-10-16 12:03:31,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 44 remaining) [2022-10-16 12:03:31,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 44 remaining) [2022-10-16 12:03:31,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 44 remaining) [2022-10-16 12:03:31,010 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 44 remaining) [2022-10-16 12:03:31,013 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 44 remaining) [2022-10-16 12:03:31,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 44 remaining) [2022-10-16 12:03:31,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 44 remaining) [2022-10-16 12:03:31,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 44 remaining) [2022-10-16 12:03:31,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 44 remaining) [2022-10-16 12:03:31,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 44 remaining) [2022-10-16 12:03:31,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 44 remaining) [2022-10-16 12:03:31,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 44 remaining) [2022-10-16 12:03:31,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 44 remaining) [2022-10-16 12:03:31,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 44 remaining) [2022-10-16 12:03:31,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 44 remaining) [2022-10-16 12:03:31,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 44 remaining) [2022-10-16 12:03:31,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 44 remaining) [2022-10-16 12:03:31,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 44 remaining) [2022-10-16 12:03:31,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 44 remaining) [2022-10-16 12:03:31,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 44 remaining) [2022-10-16 12:03:31,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 44 remaining) [2022-10-16 12:03:31,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 44 remaining) [2022-10-16 12:03:31,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 44 remaining) [2022-10-16 12:03:31,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 44 remaining) [2022-10-16 12:03:31,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 44 remaining) [2022-10-16 12:03:31,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 44 remaining) [2022-10-16 12:03:31,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 44 remaining) [2022-10-16 12:03:31,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 44 remaining) [2022-10-16 12:03:31,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 44 remaining) [2022-10-16 12:03:31,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 44 remaining) [2022-10-16 12:03:31,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 44 remaining) [2022-10-16 12:03:31,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 44 remaining) [2022-10-16 12:03:31,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:03:31,032 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:03:31,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:03:31,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:03:31 BoogieIcfgContainer [2022-10-16 12:03:31,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:03:31,096 INFO L158 Benchmark]: Toolchain (without parser) took 3921.24ms. Allocated memory was 166.7MB in the beginning and 221.2MB in the end (delta: 54.5MB). Free memory was 142.0MB in the beginning and 124.7MB in the end (delta: 17.3MB). Peak memory consumption was 72.9MB. Max. memory is 8.0GB. [2022-10-16 12:03:31,097 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 166.7MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:03:31,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.80ms. Allocated memory is still 166.7MB. Free memory was 141.8MB in the beginning and 129.5MB in the end (delta: 12.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-10-16 12:03:31,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.69ms. Allocated memory is still 166.7MB. Free memory was 129.5MB in the beginning and 126.8MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 12:03:31,098 INFO L158 Benchmark]: Boogie Preprocessor took 98.99ms. Allocated memory is still 166.7MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:03:31,099 INFO L158 Benchmark]: RCFGBuilder took 823.60ms. Allocated memory is still 166.7MB. Free memory was 124.7MB in the beginning and 138.6MB in the end (delta: -13.9MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. [2022-10-16 12:03:31,099 INFO L158 Benchmark]: TraceAbstraction took 2589.80ms. Allocated memory was 166.7MB in the beginning and 221.2MB in the end (delta: 54.5MB). Free memory was 137.5MB in the beginning and 124.7MB in the end (delta: 12.8MB). Peak memory consumption was 66.8MB. Max. memory is 8.0GB. [2022-10-16 12:03:31,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 166.7MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 325.80ms. Allocated memory is still 166.7MB. Free memory was 141.8MB in the beginning and 129.5MB in the end (delta: 12.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.69ms. Allocated memory is still 166.7MB. Free memory was 129.5MB in the beginning and 126.8MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.99ms. Allocated memory is still 166.7MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 823.60ms. Allocated memory is still 166.7MB. Free memory was 124.7MB in the beginning and 138.6MB in the end (delta: -13.9MB). Peak memory consumption was 17.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2589.80ms. Allocated memory was 166.7MB in the beginning and 221.2MB in the end (delta: 54.5MB). Free memory was 137.5MB in the beginning and 124.7MB in the end (delta: 12.8MB). Peak memory consumption was 66.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 34, overapproximation of someUnaryFLOAToperation at line 119, overapproximation of bitwiseXOr at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L118] float x = __VERIFIER_nondet_float(); [L119] float y = -0.0f; [L120] CALL fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=6442450955, \old(y)=6442450954, one_fmod=1, x=6442450955, y=6442450954, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 VAL [\old(x)=6442450955, \old(y)=6442450954, hx=2147483647, hy=-1, one_fmod=1, sx=2147483646, sx = hx & 0x80000000=2147483647, x=6442450955, y=6442450954, Zero_fmod={4:0}] [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=6442450955, \old(y)=6442450954, hx=-8388609, hy=-8388610, one_fmod=1, sx=2147483646, sx = hx & 0x80000000=2147483647, x=6442450955, y=6442450954, Zero_fmod={4:0}] [L36] COND FALSE !(((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L)) VAL [\old(x)=6442450955, \old(y)=6442450954, hx=-8388609, hy=-8388610, one_fmod=1, sx=2147483646, sx = hx & 0x80000000=2147483647, x=6442450955, y=6442450954, Zero_fmod={4:0}] [L38] COND FALSE !(hx < hy) VAL [\old(x)=6442450955, \old(y)=6442450954, hx=-8388609, hy=-8388610, one_fmod=1, sx=2147483646, sx = hx & 0x80000000=2147483647, x=6442450955, y=6442450954, Zero_fmod={4:0}] [L40] COND FALSE !(hx == hy) VAL [\old(x)=6442450955, \old(y)=6442450954, hx=-8388609, hy=-8388610, one_fmod=1, sx=2147483646, sx = hx & 0x80000000=2147483647, x=6442450955, y=6442450954, Zero_fmod={4:0}] [L42] COND TRUE ((hx) < 0x00800000L) [L43] ix = -126 VAL [\old(x)=6442450955, \old(y)=6442450954, hx=-8388609, hy=-8388610, ix=-126, one_fmod=1, sx=2147483646, sx = hx & 0x80000000=2147483647, x=6442450955, y=6442450954, Zero_fmod={4:0}] [L43] hx << 8 VAL [\old(x)=6442450955, \old(y)=6442450954, hx=-8388609, hy=-8388610, ix=-126, one_fmod=1, sx=2147483646, sx = hx & 0x80000000=2147483647, x=6442450955, y=6442450954, Zero_fmod={4:0}] - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 68]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 44 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 683 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 683 mSDsluCounter, 1984 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 900 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 446 IncrementalHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 1084 mSDtfsCounter, 446 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=5, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 402 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-16 12:03:31,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...