/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_0250a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:02:04,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:02:04,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:02:04,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:02:04,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:02:04,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:02:04,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:02:04,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:02:04,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:02:04,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:02:04,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:02:04,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:02:04,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:02:04,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:02:04,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:02:04,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:02:04,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:02:04,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:02:04,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:02:04,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:02:04,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:02:04,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:02:04,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:02:04,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:02:04,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:02:04,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:02:04,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:02:04,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:02:04,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:02:04,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:02:04,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:02:04,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:02:04,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:02:04,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:02:04,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:02:04,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:02:04,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:02:04,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:02:04,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:02:04,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:02:04,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:02:04,465 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 12:02:04,493 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:02:04,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:02:04,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:02:04,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:02:04,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:02:04,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:02:04,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:02:04,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:02:04,496 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:02:04,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:02:04,497 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:02:04,497 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:02:04,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:02:04,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:02:04,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:02:04,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:02:04,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:02:04,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:02:04,498 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:02:04,498 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:02:04,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:02:04,499 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:02:04,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:02:04,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:02:04,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:02:04,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:02:04,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:02:04,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:02:04,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:02:04,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:02:04,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:02:04,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:02:04,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:02:04,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:02:04,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:02:04,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:02:04,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:02:04,949 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:02:04,950 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:02:04,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-10-16 12:02:05,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6adc2e283/11376c25e93248f8abb221ed4a45664c/FLAGd537d44d4 [2022-10-16 12:02:05,859 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:02:05,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2022-10-16 12:02:05,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6adc2e283/11376c25e93248f8abb221ed4a45664c/FLAGd537d44d4 [2022-10-16 12:02:06,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6adc2e283/11376c25e93248f8abb221ed4a45664c [2022-10-16 12:02:06,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:02:06,156 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:02:06,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:02:06,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:02:06,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:02:06,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4002c9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06, skipping insertion in model container [2022-10-16 12:02:06,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:02:06,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:02:06,637 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_0250a.c[5433,5446] [2022-10-16 12:02:06,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:02:06,649 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:02:06,731 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_0250a.c[5433,5446] [2022-10-16 12:02:06,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:02:06,766 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:02:06,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06 WrapperNode [2022-10-16 12:02:06,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:02:06,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:02:06,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:02:06,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:02:06,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,882 INFO L138 Inliner]: procedures = 20, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 302 [2022-10-16 12:02:06,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:02:06,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:02:06,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:02:06,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:02:06,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,968 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:02:06,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:02:06,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:02:06,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:02:06,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (1/1) ... [2022-10-16 12:02:06,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:02:07,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:02:07,029 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 12:02:07,058 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 12:02:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:02:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:02:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:02:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-16 12:02:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:02:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-16 12:02:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:02:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:02:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:02:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:02:07,225 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:02:07,228 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:02:07,835 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:02:07,853 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:02:07,853 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-10-16 12:02:07,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:07 BoogieIcfgContainer [2022-10-16 12:02:07,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:02:07,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:02:07,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:02:07,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:02:07,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:02:06" (1/3) ... [2022-10-16 12:02:07,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1394226c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:07, skipping insertion in model container [2022-10-16 12:02:07,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:02:06" (2/3) ... [2022-10-16 12:02:07,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1394226c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:02:07, skipping insertion in model container [2022-10-16 12:02:07,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:02:07" (3/3) ... [2022-10-16 12:02:07,870 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2022-10-16 12:02:07,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:02:07,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-10-16 12:02:07,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:02:07,997 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;@5b69e99e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:02:07,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-10-16 12:02:08,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 85 states have (on average 1.8588235294117648) internal successors, (158), 111 states have internal predecessors, (158), 0 states have call successors, (0), 0 states 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 12:02:08,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 12:02:08,012 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:08,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:08,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:08,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:08,020 INFO L85 PathProgramCache]: Analyzing trace with hash 100031431, now seen corresponding path program 1 times [2022-10-16 12:02:08,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:08,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577044895] [2022-10-16 12:02:08,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:08,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:08,267 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 12:02:08,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:08,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577044895] [2022-10-16 12:02:08,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577044895] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:08,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:08,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:02:08,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897812751] [2022-10-16 12:02:08,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:08,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 12:02:08,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:08,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 12:02:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 12:02:08,318 INFO L87 Difference]: Start difference. First operand has 112 states, 85 states have (on average 1.8588235294117648) internal successors, (158), 111 states have internal predecessors, (158), 0 states have call successors, (0), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states 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 12:02:08,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:08,352 INFO L93 Difference]: Finished difference Result 222 states and 314 transitions. [2022-10-16 12:02:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 12:02:08,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-10-16 12:02:08,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:08,366 INFO L225 Difference]: With dead ends: 222 [2022-10-16 12:02:08,367 INFO L226 Difference]: Without dead ends: 95 [2022-10-16 12:02:08,371 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 12:02:08,375 INFO L413 NwaCegarLoop]: 134 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, 134 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 12:02:08,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:08,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-10-16 12:02:08,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-10-16 12:02:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.565217391304348) internal successors, (108), 94 states have internal predecessors, (108), 0 states have call successors, (0), 0 states 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 12:02:08,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2022-10-16 12:02:08,424 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 19 [2022-10-16 12:02:08,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:08,425 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2022-10-16 12:02:08,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states 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 12:02:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2022-10-16 12:02:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 12:02:08,427 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:08,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:08,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:02:08,428 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:08,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:08,429 INFO L85 PathProgramCache]: Analyzing trace with hash 686801981, now seen corresponding path program 1 times [2022-10-16 12:02:08,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:08,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004736080] [2022-10-16 12:02:08,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:08,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:08,734 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 12:02:08,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:08,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004736080] [2022-10-16 12:02:08,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004736080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:08,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:08,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:02:08,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166276475] [2022-10-16 12:02:08,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:08,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:02:08,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:08,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:02:08,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:08,740 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states 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 12:02:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:08,787 INFO L93 Difference]: Finished difference Result 264 states and 298 transitions. [2022-10-16 12:02:08,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:02:08,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 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 23 [2022-10-16 12:02:08,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:08,791 INFO L225 Difference]: With dead ends: 264 [2022-10-16 12:02:08,791 INFO L226 Difference]: Without dead ends: 182 [2022-10-16 12:02:08,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:08,795 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 95 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:08,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 203 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:08,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-10-16 12:02:08,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 98. [2022-10-16 12:02:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 72 states have (on average 1.5416666666666667) internal successors, (111), 97 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 12:02:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 111 transitions. [2022-10-16 12:02:08,812 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 111 transitions. Word has length 23 [2022-10-16 12:02:08,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:08,812 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 111 transitions. [2022-10-16 12:02:08,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states 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 12:02:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2022-10-16 12:02:08,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 12:02:08,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:08,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:08,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:02:08,815 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:08,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:08,816 INFO L85 PathProgramCache]: Analyzing trace with hash -419471579, now seen corresponding path program 1 times [2022-10-16 12:02:08,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:08,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155206636] [2022-10-16 12:02:08,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:08,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:09,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:09,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:09,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155206636] [2022-10-16 12:02:09,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155206636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:09,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:09,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:02:09,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511452776] [2022-10-16 12:02:09,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:09,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:02:09,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:09,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:02:09,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:02:09,010 INFO L87 Difference]: Start difference. First operand 98 states and 111 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states 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 12:02:09,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:09,185 INFO L93 Difference]: Finished difference Result 218 states and 247 transitions. [2022-10-16 12:02:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:02:09,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2022-10-16 12:02:09,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:09,191 INFO L225 Difference]: With dead ends: 218 [2022-10-16 12:02:09,191 INFO L226 Difference]: Without dead ends: 155 [2022-10-16 12:02:09,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:02:09,198 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 74 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:09,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 253 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:02:09,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-10-16 12:02:09,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 127. [2022-10-16 12:02:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 101 states have (on average 1.5841584158415842) internal successors, (160), 126 states have internal predecessors, (160), 0 states have call successors, (0), 0 states 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 12:02:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 160 transitions. [2022-10-16 12:02:09,233 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 160 transitions. Word has length 25 [2022-10-16 12:02:09,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:09,233 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 160 transitions. [2022-10-16 12:02:09,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states 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 12:02:09,234 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2022-10-16 12:02:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 12:02:09,235 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:09,235 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:09,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:02:09,238 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:09,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:09,239 INFO L85 PathProgramCache]: Analyzing trace with hash -118716859, now seen corresponding path program 1 times [2022-10-16 12:02:09,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:09,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744316171] [2022-10-16 12:02:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:09,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:09,447 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 12:02:09,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:09,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744316171] [2022-10-16 12:02:09,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744316171] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:09,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:09,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:02:09,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890030169] [2022-10-16 12:02:09,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:09,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:02:09,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:09,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:02:09,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:02:09,454 INFO L87 Difference]: Start difference. First operand 127 states and 160 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states 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 12:02:09,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:09,520 INFO L93 Difference]: Finished difference Result 148 states and 169 transitions. [2022-10-16 12:02:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:02:09,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2022-10-16 12:02:09,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:09,527 INFO L225 Difference]: With dead ends: 148 [2022-10-16 12:02:09,527 INFO L226 Difference]: Without dead ends: 144 [2022-10-16 12:02:09,528 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 12:02:09,532 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 55 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:09,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 170 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:02:09,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2022-10-16 12:02:09,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 128. [2022-10-16 12:02:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 102 states have (on average 1.5784313725490196) internal successors, (161), 127 states have internal predecessors, (161), 0 states have call successors, (0), 0 states 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 12:02:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 161 transitions. [2022-10-16 12:02:09,572 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 161 transitions. Word has length 26 [2022-10-16 12:02:09,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:09,573 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 161 transitions. [2022-10-16 12:02:09,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states 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 12:02:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 161 transitions. [2022-10-16 12:02:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-16 12:02:09,574 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:09,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:09,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:02:09,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:09,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:09,579 INFO L85 PathProgramCache]: Analyzing trace with hash 613918668, now seen corresponding path program 1 times [2022-10-16 12:02:09,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:09,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125830574] [2022-10-16 12:02:09,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:09,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:09,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:09,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125830574] [2022-10-16 12:02:09,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125830574] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:09,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:09,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:02:09,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241373518] [2022-10-16 12:02:09,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:09,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:02:09,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:09,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:02:09,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:02:09,724 INFO L87 Difference]: Start difference. First operand 128 states and 161 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states 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 12:02:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:09,785 INFO L93 Difference]: Finished difference Result 217 states and 276 transitions. [2022-10-16 12:02:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:02:09,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2022-10-16 12:02:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:09,788 INFO L225 Difference]: With dead ends: 217 [2022-10-16 12:02:09,788 INFO L226 Difference]: Without dead ends: 213 [2022-10-16 12:02:09,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:02:09,790 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 67 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:09,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 403 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:09,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-10-16 12:02:09,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 138. [2022-10-16 12:02:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 112 states have (on average 1.5357142857142858) internal successors, (172), 137 states have internal predecessors, (172), 0 states have call successors, (0), 0 states 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 12:02:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 172 transitions. [2022-10-16 12:02:09,804 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 172 transitions. Word has length 27 [2022-10-16 12:02:09,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:09,805 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 172 transitions. [2022-10-16 12:02:09,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states 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 12:02:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 172 transitions. [2022-10-16 12:02:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 12:02:09,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:09,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:09,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:02:09,808 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:09,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:09,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1426469673, now seen corresponding path program 1 times [2022-10-16 12:02:09,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:09,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168035399] [2022-10-16 12:02:09,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:09,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:09,979 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 12:02:09,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:09,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168035399] [2022-10-16 12:02:09,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168035399] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:09,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:09,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:02:09,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419816399] [2022-10-16 12:02:09,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:09,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:02:09,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:09,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:02:09,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:02:09,983 INFO L87 Difference]: Start difference. First operand 138 states and 172 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states 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 12:02:10,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:10,140 INFO L93 Difference]: Finished difference Result 208 states and 252 transitions. [2022-10-16 12:02:10,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:02:10,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-10-16 12:02:10,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:10,143 INFO L225 Difference]: With dead ends: 208 [2022-10-16 12:02:10,143 INFO L226 Difference]: Without dead ends: 207 [2022-10-16 12:02:10,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:02:10,145 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 122 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:10,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 191 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:02:10,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-10-16 12:02:10,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 138. [2022-10-16 12:02:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 137 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 12:02:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 171 transitions. [2022-10-16 12:02:10,156 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 171 transitions. Word has length 28 [2022-10-16 12:02:10,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:10,157 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 171 transitions. [2022-10-16 12:02:10,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states 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 12:02:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 171 transitions. [2022-10-16 12:02:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 12:02:10,158 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:10,159 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:10,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:02:10,159 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:10,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1040005320, now seen corresponding path program 1 times [2022-10-16 12:02:10,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:10,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230094614] [2022-10-16 12:02:10,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:10,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:10,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:10,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230094614] [2022-10-16 12:02:10,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230094614] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:02:10,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538284518] [2022-10-16 12:02:10,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:10,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:02:10,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:02:10,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:02:10,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:02:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:10,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 12:02:10,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:02:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:10,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:02:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:10,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538284518] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:02:10,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:02:10,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 12:02:10,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270792618] [2022-10-16 12:02:10,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:02:10,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 12:02:10,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:10,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 12:02:10,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 12:02:10,589 INFO L87 Difference]: Start difference. First operand 138 states and 171 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states 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 12:02:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:10,795 INFO L93 Difference]: Finished difference Result 473 states and 614 transitions. [2022-10-16 12:02:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 12:02:10,796 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 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 31 [2022-10-16 12:02:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:10,800 INFO L225 Difference]: With dead ends: 473 [2022-10-16 12:02:10,800 INFO L226 Difference]: Without dead ends: 471 [2022-10-16 12:02:10,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 12:02:10,802 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 340 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:10,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 963 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:02:10,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-10-16 12:02:10,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 161. [2022-10-16 12:02:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 135 states have (on average 1.488888888888889) internal successors, (201), 160 states have internal predecessors, (201), 0 states have call successors, (0), 0 states 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 12:02:10,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 201 transitions. [2022-10-16 12:02:10,814 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 201 transitions. Word has length 31 [2022-10-16 12:02:10,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:10,814 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 201 transitions. [2022-10-16 12:02:10,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states 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 12:02:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 201 transitions. [2022-10-16 12:02:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 12:02:10,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:10,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:10,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:02:11,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:02:11,033 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:11,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:11,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1577064027, now seen corresponding path program 1 times [2022-10-16 12:02:11,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:11,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497015585] [2022-10-16 12:02:11,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:11,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:11,245 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 12:02:11,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:11,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497015585] [2022-10-16 12:02:11,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497015585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:11,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:11,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:02:11,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498066098] [2022-10-16 12:02:11,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:11,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:02:11,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:11,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:02:11,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:02:11,251 INFO L87 Difference]: Start difference. First operand 161 states and 201 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states 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 12:02:11,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:11,390 INFO L93 Difference]: Finished difference Result 185 states and 229 transitions. [2022-10-16 12:02:11,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:02:11,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-10-16 12:02:11,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:11,394 INFO L225 Difference]: With dead ends: 185 [2022-10-16 12:02:11,394 INFO L226 Difference]: Without dead ends: 184 [2022-10-16 12:02:11,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:02:11,395 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 49 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:11,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 222 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 12:02:11,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-10-16 12:02:11,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 162. [2022-10-16 12:02:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 136 states have (on average 1.4852941176470589) internal successors, (202), 161 states have internal predecessors, (202), 0 states have call successors, (0), 0 states 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 12:02:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 202 transitions. [2022-10-16 12:02:11,405 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 202 transitions. Word has length 31 [2022-10-16 12:02:11,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:11,405 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 202 transitions. [2022-10-16 12:02:11,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states 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 12:02:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 202 transitions. [2022-10-16 12:02:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:02:11,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:11,407 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:11,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:02:11,408 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:11,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:11,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2119573264, now seen corresponding path program 1 times [2022-10-16 12:02:11,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:11,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830916284] [2022-10-16 12:02:11,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:11,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:11,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:11,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830916284] [2022-10-16 12:02:11,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830916284] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:02:11,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953947944] [2022-10-16 12:02:11,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:11,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:02:11,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:02:11,524 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 12:02:11,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:02:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:11,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 12:02:11,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:02:11,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:02:11,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 12:02:11,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953947944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:11,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 12:02:11,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 12:02:11,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211106902] [2022-10-16 12:02:11,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:11,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:02:11,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:11,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:02:11,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:02:11,671 INFO L87 Difference]: Start difference. First operand 162 states and 202 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states 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 12:02:11,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:11,736 INFO L93 Difference]: Finished difference Result 302 states and 388 transitions. [2022-10-16 12:02:11,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:02:11,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2022-10-16 12:02:11,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:11,739 INFO L225 Difference]: With dead ends: 302 [2022-10-16 12:02:11,739 INFO L226 Difference]: Without dead ends: 300 [2022-10-16 12:02:11,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 12:02:11,740 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 134 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:11,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 862 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:02:11,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2022-10-16 12:02:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 160. [2022-10-16 12:02:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 136 states have (on average 1.4338235294117647) internal successors, (195), 159 states have internal predecessors, (195), 0 states have call successors, (0), 0 states 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 12:02:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 195 transitions. [2022-10-16 12:02:11,751 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 195 transitions. Word has length 32 [2022-10-16 12:02:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:11,751 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 195 transitions. [2022-10-16 12:02:11,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states 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 12:02:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 195 transitions. [2022-10-16 12:02:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:02:11,753 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:11,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:11,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 12:02:11,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-10-16 12:02:11,967 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:11,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:11,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1644344386, now seen corresponding path program 1 times [2022-10-16 12:02:11,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:11,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468917662] [2022-10-16 12:02:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:11,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:12,107 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 12:02:12,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:12,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468917662] [2022-10-16 12:02:12,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468917662] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:12,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:12,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:02:12,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889218802] [2022-10-16 12:02:12,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:12,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 12:02:12,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:12,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 12:02:12,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 12:02:12,111 INFO L87 Difference]: Start difference. First operand 160 states and 195 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states 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 12:02:12,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:12,357 INFO L93 Difference]: Finished difference Result 219 states and 280 transitions. [2022-10-16 12:02:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:02:12,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2022-10-16 12:02:12,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:12,360 INFO L225 Difference]: With dead ends: 219 [2022-10-16 12:02:12,360 INFO L226 Difference]: Without dead ends: 214 [2022-10-16 12:02:12,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 12:02:12,361 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 69 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:12,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 343 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:02:12,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-10-16 12:02:12,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 179. [2022-10-16 12:02:12,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 155 states have (on average 1.4516129032258065) internal successors, (225), 178 states have internal predecessors, (225), 0 states have call successors, (0), 0 states 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 12:02:12,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 225 transitions. [2022-10-16 12:02:12,372 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 225 transitions. Word has length 32 [2022-10-16 12:02:12,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:12,372 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 225 transitions. [2022-10-16 12:02:12,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states 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 12:02:12,373 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 225 transitions. [2022-10-16 12:02:12,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 12:02:12,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:12,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:12,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 12:02:12,375 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:12,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash 564931786, now seen corresponding path program 1 times [2022-10-16 12:02:12,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:12,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758538178] [2022-10-16 12:02:12,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:02:12,613 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 12:02:12,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:02:12,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758538178] [2022-10-16 12:02:12,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758538178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:02:12,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:02:12,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 12:02:12,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778781162] [2022-10-16 12:02:12,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:02:12,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:02:12,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:02:12,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:02:12,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:02:12,616 INFO L87 Difference]: Start difference. First operand 179 states and 225 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 12:02:12,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:02:12,802 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2022-10-16 12:02:12,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 12:02:12,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-10-16 12:02:12,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:02:12,805 INFO L225 Difference]: With dead ends: 246 [2022-10-16 12:02:12,805 INFO L226 Difference]: Without dead ends: 245 [2022-10-16 12:02:12,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:02:12,806 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 124 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:02:12,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 255 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 12:02:12,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-10-16 12:02:12,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 178. [2022-10-16 12:02:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 154 states have (on average 1.448051948051948) internal successors, (223), 177 states have internal predecessors, (223), 0 states have call successors, (0), 0 states 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 12:02:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 223 transitions. [2022-10-16 12:02:12,826 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 223 transitions. Word has length 33 [2022-10-16 12:02:12,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:02:12,826 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 223 transitions. [2022-10-16 12:02:12,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 12:02:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 223 transitions. [2022-10-16 12:02:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-16 12:02:12,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:02:12,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:12,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 12:02:12,828 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 23 more)] === [2022-10-16 12:02:12,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:02:12,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1816345057, now seen corresponding path program 1 times [2022-10-16 12:02:12,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:02:12,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517172301] [2022-10-16 12:02:12,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:02:12,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:02:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:02:12,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 12:02:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 12:02:12,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 12:02:12,972 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 12:02:12,973 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 26 remaining) [2022-10-16 12:02:12,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 26 remaining) [2022-10-16 12:02:12,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 26 remaining) [2022-10-16 12:02:12,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 26 remaining) [2022-10-16 12:02:12,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 26 remaining) [2022-10-16 12:02:12,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 26 remaining) [2022-10-16 12:02:12,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 26 remaining) [2022-10-16 12:02:12,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 26 remaining) [2022-10-16 12:02:12,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 26 remaining) [2022-10-16 12:02:12,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 26 remaining) [2022-10-16 12:02:12,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 26 remaining) [2022-10-16 12:02:12,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 26 remaining) [2022-10-16 12:02:12,980 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 26 remaining) [2022-10-16 12:02:12,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 26 remaining) [2022-10-16 12:02:12,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 26 remaining) [2022-10-16 12:02:12,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 26 remaining) [2022-10-16 12:02:12,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 26 remaining) [2022-10-16 12:02:12,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 26 remaining) [2022-10-16 12:02:12,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 26 remaining) [2022-10-16 12:02:12,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 26 remaining) [2022-10-16 12:02:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 26 remaining) [2022-10-16 12:02:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 26 remaining) [2022-10-16 12:02:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 26 remaining) [2022-10-16 12:02:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 26 remaining) [2022-10-16 12:02:12,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 26 remaining) [2022-10-16 12:02:12,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 26 remaining) [2022-10-16 12:02:12,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 12:02:13,008 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:02:13,018 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 12:02:13,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:02:13 BoogieIcfgContainer [2022-10-16 12:02:13,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 12:02:13,094 INFO L158 Benchmark]: Toolchain (without parser) took 6941.07ms. Allocated memory was 157.3MB in the beginning and 200.3MB in the end (delta: 43.0MB). Free memory was 131.3MB in the beginning and 106.9MB in the end (delta: 24.4MB). Peak memory consumption was 67.7MB. Max. memory is 8.0GB. [2022-10-16 12:02:13,094 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 157.3MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 12:02:13,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.40ms. Allocated memory is still 157.3MB. Free memory was 131.0MB in the beginning and 116.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-10-16 12:02:13,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.91ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 114.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:02:13,095 INFO L158 Benchmark]: Boogie Preprocessor took 99.41ms. Allocated memory is still 157.3MB. Free memory was 114.0MB in the beginning and 111.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 12:02:13,096 INFO L158 Benchmark]: RCFGBuilder took 870.70ms. Allocated memory is still 157.3MB. Free memory was 111.7MB in the beginning and 123.8MB in the end (delta: -12.0MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. [2022-10-16 12:02:13,096 INFO L158 Benchmark]: TraceAbstraction took 5231.00ms. Allocated memory was 157.3MB in the beginning and 200.3MB in the end (delta: 43.0MB). Free memory was 123.2MB in the beginning and 106.9MB in the end (delta: 16.3MB). Peak memory consumption was 58.8MB. Max. memory is 8.0GB. [2022-10-16 12:02:13,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 157.3MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 609.40ms. Allocated memory is still 157.3MB. Free memory was 131.0MB in the beginning and 116.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 110.91ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 114.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 99.41ms. Allocated memory is still 157.3MB. Free memory was 114.0MB in the beginning and 111.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 870.70ms. Allocated memory is still 157.3MB. Free memory was 111.7MB in the beginning and 123.8MB in the end (delta: -12.0MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. * TraceAbstraction took 5231.00ms. Allocated memory was 157.3MB in the beginning and 200.3MB in the end (delta: 43.0MB). Free memory was 123.2MB in the beginning and 106.9MB in the end (delta: 16.3MB). Peak memory consumption was 58.8MB. 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: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of someBinaryFLOATComparisonOperation at line 171, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 91, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 186. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L230] float x = 1.0f / 0.0f; [L231] CALL __ieee754_asinf(x) [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [\old(x)=1000000000000000000000000000018, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000018] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000018, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000018] [L164] COND FALSE !(ix == 0x3f800000) VAL [\old(x)=1000000000000000000000000000018, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000018] [L167] COND FALSE !(ix > 0x3f800000) VAL [\old(x)=1000000000000000000000000000018, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000018] [L169] COND TRUE ix < 0x3f000000 VAL [\old(x)=1000000000000000000000000000018, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000018] [L170] COND TRUE ix < 0x32000000 VAL [\old(x)=1000000000000000000000000000018, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000018] [L171] COND FALSE !(huge_asin + x > one_asin) VAL [\old(x)=1000000000000000000000000000018, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=0, ix=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000018] [L186] CALL, EXPR fabs_float(x) [L131] __uint32_t ix; VAL [\old(x)=1000000000000000000000000000018, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000018] [L133] ieee_float_shape_type gf_u; [L134] gf_u.value = (x) [L135] EXPR gf_u.word [L135] (ix) = gf_u.word [L138] ieee_float_shape_type sf_u; [L139] sf_u.word = (ix & 0x7fffffff) [L140] EXPR sf_u.value [L140] (x) = sf_u.value [L142] return x; VAL [\old(x)=1000000000000000000000000000018, \result=1000000000000000000000000000020, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, ix=1073741825, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000020] [L186] RET, EXPR fabs_float(x) [L186] w = one_asin - fabs_float(x) [L187] t = w * (float)0.5 [L188-L191] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L192-L193] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L194] CALL __ieee754_sqrtf(t) [L65] float z; [L66] __uint32_t r, hx; [L67] __int32_t ix, s, q, m, t, i; VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L70] ieee_float_shape_type gf_u; [L71] gf_u.value = (x) [L72] EXPR gf_u.word [L72] (ix) = gf_u.word [L74] hx = ix & 0x7fffffff VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=2147483647, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L76] COND FALSE !(!((hx) < 0x7f800000L)) VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=2147483647, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L79] COND FALSE !(((hx) == 0)) VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=2147483647, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L81] COND FALSE !(ix < 0) [L84] m = (ix >> 23) VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=2147483647, m=255, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L85] COND FALSE !(((hx) < 0x00800000L)) VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=2147483647, m=255, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L90] m -= 127 VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=2147483647, m=128, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L91] ix = (ix & 0x007fffffL) | 0x00800000L VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=1073741824, m=128, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L92] COND TRUE m & 1 VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=1073741824, m=128, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] [L93] ix += ix VAL [\old(x)=1000000000000000000000000000019, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=8388608, hx = ix & 0x7fffffff=2147483647, ix=1073741824, m=128, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1000000000000000000000000000019] - 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: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 118]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 118]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 122]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 122]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 122]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 122]: 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, 112 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1129 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1129 mSDsluCounter, 3999 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2722 mSDsCounter, 128 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 864 IncrementalHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 128 mSolverCounterUnsat, 1277 mSDtfsCounter, 864 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=10, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 846 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 684 SizeOfPredicates, 4 NumberOfNonLiveVariables, 375 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 4/17 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 12:02:13,147 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...