java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-benchs/sin_interpolated_negation.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:38:36,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:38:36,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:38:36,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:38:36,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:38:36,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:38:36,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:38:36,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:38:36,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:38:36,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:38:36,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:38:36,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:38:36,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:38:36,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:38:36,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:38:36,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:38:36,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:38:36,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:38:36,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:38:36,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:38:36,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:38:36,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:38:36,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:38:36,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:38:36,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 01:38:36,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:38:36,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:38:36,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:38:36,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:38:36,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:38:36,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:38:36,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:38:36,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:38:36,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:38:36,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:38:36,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:38:36,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:38:36,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:38:36,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:38:36,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:38:36,369 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:38:36,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:38:36,370 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:38:36,370 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:38:36,370 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:38:36,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:38:36,371 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:38:36,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:38:36,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:38:36,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:38:36,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:38:36,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:38:36,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:38:36,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:38:36,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:38:36,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:38:36,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:38:36,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:38:36,373 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:38:36,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:38:36,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:38:36,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:38:36,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:38:36,374 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:38:36,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:38:36,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:38:36,375 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:38:36,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:38:36,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:38:36,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:38:36,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:38:36,420 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:38:36,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sin_interpolated_negation.c [2019-09-10 01:38:36,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e85805b/7d5057843690431e8e7dc05d54218d8d/FLAGf585c415f [2019-09-10 01:38:36,916 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:38:36,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sin_interpolated_negation.c [2019-09-10 01:38:36,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e85805b/7d5057843690431e8e7dc05d54218d8d/FLAGf585c415f [2019-09-10 01:38:37,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63e85805b/7d5057843690431e8e7dc05d54218d8d [2019-09-10 01:38:37,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:38:37,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:38:37,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:38:37,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:38:37,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:38:37,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113fe790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37, skipping insertion in model container [2019-09-10 01:38:37,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,276 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:38:37,297 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:38:37,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:38:37,668 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:38:37,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:38:37,791 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:38:37,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37 WrapperNode [2019-09-10 01:38:37,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:38:37,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:38:37,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:38:37,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:38:37,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (1/1) ... [2019-09-10 01:38:37,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:38:37,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:38:37,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:38:37,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:38:37,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:38:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:38:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:38:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 01:38:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2019-09-10 01:38:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2019-09-10 01:38:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2019-09-10 01:38:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN [2019-09-10 01:38:37,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:38:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:38:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-10 01:38:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 01:38:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 01:38:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2019-09-10 01:38:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:38:37,959 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2019-09-10 01:38:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2019-09-10 01:38:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure SIN [2019-09-10 01:38:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:38:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:38:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:38:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-10 01:38:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:38:37,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:38:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:38:38,669 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:38:38,669 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 01:38:38,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:38:38 BoogieIcfgContainer [2019-09-10 01:38:38,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:38:38,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:38:38,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:38:38,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:38:38,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:38:37" (1/3) ... [2019-09-10 01:38:38,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d05256f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:38:38, skipping insertion in model container [2019-09-10 01:38:38,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:38:37" (2/3) ... [2019-09-10 01:38:38,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d05256f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:38:38, skipping insertion in model container [2019-09-10 01:38:38,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:38:38" (3/3) ... [2019-09-10 01:38:38,679 INFO L109 eAbstractionObserver]: Analyzing ICFG sin_interpolated_negation.c [2019-09-10 01:38:38,687 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:38:38,695 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:38:38,712 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:38:38,738 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:38:38,739 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:38:38,739 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:38:38,739 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:38:38,740 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:38:38,740 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:38:38,740 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:38:38,740 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:38:38,756 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2019-09-10 01:38:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-10 01:38:38,767 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:38:38,768 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:38:38,770 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:38:38,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:38:38,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1137118481, now seen corresponding path program 1 times [2019-09-10 01:38:38,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:38:38,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:38:38,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:38:38,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:38:38,821 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:38:39,027 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-10 01:38:39,027 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-10 01:38:39,027 INFO L170 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-10 01:38:39,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:38:39,043 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-10 01:38:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:38:39,137 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 57 with the following transitions: [2019-09-10 01:38:39,140 INFO L207 CegarAbsIntRunner]: [0], [3], [5], [9], [10], [18], [21], [30], [31], [32], [35], [37], [41], [42], [43], [44], [50], [52], [53], [57], [60], [62], [68], [69], [72], [73], [74], [75], [76], [78], [79], [84], [85], [86], [87], [88] [2019-09-10 01:38:39,210 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 01:38:39,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 01:38:39,277 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 01:38:39,281 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 11 root evaluator evaluations with a maximum evaluation depth of 0. Performed 11 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 16 variables. [2019-09-10 01:38:39,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:38:39,287 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 01:38:39,390 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 01:38:39,391 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 01:38:39,397 INFO L420 sIntCurrentIteration]: We unified 55 AI predicates to 55 [2019-09-10 01:38:39,398 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 01:38:39,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 01:38:39,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 01:38:39,406 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 01:38:39,412 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 01:38:39,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 01:38:39,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 01:38:39,419 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2019-09-10 01:38:39,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 01:38:39,435 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 01:38:39,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 01:38:39,436 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 56 [2019-09-10 01:38:39,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 01:38:39,443 INFO L225 Difference]: With dead ends: 2 [2019-09-10 01:38:39,443 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 01:38:39,445 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 01:38:39,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 01:38:39,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 01:38:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 01:38:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 01:38:39,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-09-10 01:38:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 01:38:39,493 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 01:38:39,493 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 01:38:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 01:38:39,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 01:38:39,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:38:39 BoogieIcfgContainer [2019-09-10 01:38:39,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:38:39,503 INFO L168 Benchmark]: Toolchain (without parser) took 2241.63 ms. Allocated memory was 136.8 MB in the beginning and 234.9 MB in the end (delta: 98.0 MB). Free memory was 92.7 MB in the beginning and 198.0 MB in the end (delta: -105.3 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-09-10 01:38:39,504 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:38:39,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.57 ms. Allocated memory was 136.8 MB in the beginning and 202.9 MB in the end (delta: 66.1 MB). Free memory was 92.5 MB in the beginning and 168.9 MB in the end (delta: -76.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:38:39,509 INFO L168 Benchmark]: Boogie Preprocessor took 82.62 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 164.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-10 01:38:39,511 INFO L168 Benchmark]: RCFGBuilder took 795.38 ms. Allocated memory is still 202.9 MB. Free memory was 164.2 MB in the beginning and 128.9 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:38:39,512 INFO L168 Benchmark]: TraceAbstraction took 829.30 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 128.9 MB in the beginning and 199.3 MB in the end (delta: -70.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:38:39,519 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 530.57 ms. Allocated memory was 136.8 MB in the beginning and 202.9 MB in the end (delta: 66.1 MB). Free memory was 92.5 MB in the beginning and 168.9 MB in the end (delta: -76.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.62 ms. Allocated memory is still 202.9 MB. Free memory was 168.9 MB in the beginning and 164.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 795.38 ms. Allocated memory is still 202.9 MB. Free memory was 164.2 MB in the beginning and 128.9 MB in the end (delta: 35.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 829.30 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 128.9 MB in the beginning and 199.3 MB in the end (delta: -70.5 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 50 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.0363636363636364 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...