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/array-multidimensional/add-3-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:35:39,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:35:39,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:35:39,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 05:35:39,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 05:35:39,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 05:35:39,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 05:35:39,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 05:35:39,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 05:35:39,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 05:35:39,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 05:35:39,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 05:35:39,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 05:35:39,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 05:35:39,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 05:35:39,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 05:35:39,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 05:35:39,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 05:35:39,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 05:35:39,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 05:35:39,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 05:35:39,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 05:35:39,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 05:35:39,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 05:35:39,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-09 05:35:39,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 05:35:39,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 05:35:39,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 05:35:39,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 05:35:39,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 05:35:39,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 05:35:39,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 05:35:39,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 05:35:39,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:35:39,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:35:39,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:35:39,834 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 [2019-09-09 05:35:39,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:35:39,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:35:39,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:35:39,854 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:35:39,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:35:39,856 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:35:39,856 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:35:39,856 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:35:39,856 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:35:39,857 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:35:39,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:35:39,859 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:35:39,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:35:39,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:35:39,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:35:39,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:35:39,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:35:39,861 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:35:39,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:35:39,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:35:39,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:35:39,861 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:35:39,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:35:39,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:35:39,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:35:39,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:35:39,863 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:35:39,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:35:39,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:35:39,864 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:35:39,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:35:39,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:35:39,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:35:39,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:35:39,926 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:35:39,927 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/add-3-n-u.c [2019-09-09 05:35:40,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6212b6232/089a466ff7634b3ea21720e61764a1bb/FLAG9248b0772 [2019-09-09 05:35:40,497 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:35:40,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/add-3-n-u.c [2019-09-09 05:35:40,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6212b6232/089a466ff7634b3ea21720e61764a1bb/FLAG9248b0772 [2019-09-09 05:35:40,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6212b6232/089a466ff7634b3ea21720e61764a1bb [2019-09-09 05:35:40,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:35:40,853 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:35:40,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:35:40,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:35:40,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:35:40,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:35:40" (1/1) ... [2019-09-09 05:35:40,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ff9895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:40, skipping insertion in model container [2019-09-09 05:35:40,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:35:40" (1/1) ... [2019-09-09 05:35:40,875 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:35:40,895 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:35:41,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:35:41,119 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:35:41,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:35:41,272 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:35:41,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41 WrapperNode [2019-09-09 05:35:41,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:35:41,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:35:41,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:35:41,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:35:41,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (1/1) ... [2019-09-09 05:35:41,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (1/1) ... [2019-09-09 05:35:41,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (1/1) ... [2019-09-09 05:35:41,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (1/1) ... [2019-09-09 05:35:41,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (1/1) ... [2019-09-09 05:35:41,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (1/1) ... [2019-09-09 05:35:41,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (1/1) ... [2019-09-09 05:35:41,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:35:41,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:35:41,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:35:41,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:35:41,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (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 [2019-09-09 05:35:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:35:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:35:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-09 05:35:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:35:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:35:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-09 05:35:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-09 05:35:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:35:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-09 05:35:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-09 05:35:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-09 05:35:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-09 05:35:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:35:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:35:41,774 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:35:41,775 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-09 05:35:41,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:35:41 BoogieIcfgContainer [2019-09-09 05:35:41,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:35:41,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:35:41,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:35:41,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:35:41,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:35:40" (1/3) ... [2019-09-09 05:35:41,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d308e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:35:41, skipping insertion in model container [2019-09-09 05:35:41,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:41" (2/3) ... [2019-09-09 05:35:41,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d308e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:35:41, skipping insertion in model container [2019-09-09 05:35:41,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:35:41" (3/3) ... [2019-09-09 05:35:41,786 INFO L109 eAbstractionObserver]: Analyzing ICFG add-3-n-u.c [2019-09-09 05:35:41,799 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:35:41,808 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:35:41,825 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:35:41,853 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:35:41,854 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:35:41,854 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:35:41,854 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:35:41,854 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:35:41,854 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:35:41,855 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:35:41,855 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:35:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-09-09 05:35:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-09 05:35:41,878 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:41,879 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:35:41,881 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:41,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:41,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1773460249, now seen corresponding path program 1 times [2019-09-09 05:35:41,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:41,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:41,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:41,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:41,932 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:41,970 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:41,971 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:41,971 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 [2019-09-09 05:35:41,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:41,995 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:42,032 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-09 05:35:42,034 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-09 05:35:42,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:35:42,035 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-09 05:35:42,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:42,050 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 05:35:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:42,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2019-09-09 05:35:42,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 05:35:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:35:42,128 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-09 05:35:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:35:42,158 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:42,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-09-09 05:35:42,159 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:42,164 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:35:42,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:35:42,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:35:42,184 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-09-09 05:35:42,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:42,206 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2019-09-09 05:35:42,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:35:42,208 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-09-09 05:35:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:42,219 INFO L225 Difference]: With dead ends: 36 [2019-09-09 05:35:42,219 INFO L226 Difference]: Without dead ends: 31 [2019-09-09 05:35:42,221 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:35:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-09-09 05:35:42,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-09-09 05:35:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-09-09 05:35:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2019-09-09 05:35:42,266 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 17 [2019-09-09 05:35:42,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:42,267 INFO L475 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2019-09-09 05:35:42,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:35:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2019-09-09 05:35:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-09 05:35:42,268 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:42,268 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:35:42,269 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:42,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:42,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1763514787, now seen corresponding path program 1 times [2019-09-09 05:35:42,269 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:42,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:42,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:42,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:42,272 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:42,280 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:42,280 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:42,281 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-09 05:35:42,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:42,304 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:42,326 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-09 05:35:42,327 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-09 05:35:42,327 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:35:42,327 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-09 05:35:42,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:42,349 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 05:35:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:42,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-09 05:35:42,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 05:35:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:35:42,428 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-09 05:35:42,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 05:35:42,455 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:42,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-09-09 05:35:42,455 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:42,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:35:42,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:35:42,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-09 05:35:42,459 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. Second operand 3 states. [2019-09-09 05:35:42,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:42,529 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2019-09-09 05:35:42,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:35:42,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-09-09 05:35:42,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:42,532 INFO L225 Difference]: With dead ends: 36 [2019-09-09 05:35:42,532 INFO L226 Difference]: Without dead ends: 36 [2019-09-09 05:35:42,535 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-09 05:35:42,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-09-09 05:35:42,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2019-09-09 05:35:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-09-09 05:35:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2019-09-09 05:35:42,542 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 17 [2019-09-09 05:35:42,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:42,542 INFO L475 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2019-09-09 05:35:42,542 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:35:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2019-09-09 05:35:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-09 05:35:42,544 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:42,544 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:35:42,544 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:42,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:42,545 INFO L82 PathProgramCache]: Analyzing trace with hash -2133227694, now seen corresponding path program 1 times [2019-09-09 05:35:42,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:42,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:42,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:42,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:42,547 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:42,554 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:42,555 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:42,555 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-09 05:35:42,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:42,575 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:42,599 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 21 with the following transitions: [2019-09-09 05:35:42,601 INFO L207 CegarAbsIntRunner]: [0], [1], [5], [12], [14], [21], [40], [44], [51], [83], [92], [101], [110], [126], [129], [131], [137], [138], [139], [141] [2019-09-09 05:35:42,653 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-09 05:35:42,654 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-09 05:35:42,732 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-09 05:35:42,735 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 18 root evaluator evaluations with a maximum evaluation depth of 0. Performed 18 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 27 variables. [2019-09-09 05:35:42,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:42,739 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-09 05:35:42,780 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-09-09 05:35:42,780 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-09 05:35:42,783 INFO L420 sIntCurrentIteration]: We unified 19 AI predicates to 19 [2019-09-09 05:35:42,783 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-09 05:35:42,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:42,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-09 05:35:42,784 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:42,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:35:42,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:35:42,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:35:42,786 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand 2 states. [2019-09-09 05:35:42,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:42,787 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-09-09 05:35:42,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:35:42,787 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2019-09-09 05:35:42,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:42,788 INFO L225 Difference]: With dead ends: 6 [2019-09-09 05:35:42,788 INFO L226 Difference]: Without dead ends: 0 [2019-09-09 05:35:42,788 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:35:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-09 05:35:42,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-09 05:35:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-09 05:35:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-09 05:35:42,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-09-09 05:35:42,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:42,790 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-09 05:35:42,790 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:35:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-09 05:35:42,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-09 05:35:42,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:35:42 BoogieIcfgContainer [2019-09-09 05:35:42,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:35:42,798 INFO L168 Benchmark]: Toolchain (without parser) took 1944.40 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 89.2 MB in the beginning and 97.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:42,800 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:35:42,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.12 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 89.0 MB in the beginning and 180.6 MB in the end (delta: -91.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:42,802 INFO L168 Benchmark]: Boogie Preprocessor took 46.23 ms. Allocated memory is still 202.9 MB. Free memory was 180.6 MB in the beginning and 178.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:42,803 INFO L168 Benchmark]: RCFGBuilder took 456.72 ms. Allocated memory is still 202.9 MB. Free memory was 178.9 MB in the beginning and 160.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:42,804 INFO L168 Benchmark]: TraceAbstraction took 1018.17 ms. Allocated memory is still 202.9 MB. Free memory was 160.3 MB in the beginning and 97.0 MB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:42,809 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 142.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 418.12 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 89.0 MB in the beginning and 180.6 MB in the end (delta: -91.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.23 ms. Allocated memory is still 202.9 MB. Free memory was 180.6 MB in the beginning and 178.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 456.72 ms. Allocated memory is still 202.9 MB. Free memory was 178.9 MB in the beginning and 160.3 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1018.17 ms. Allocated memory is still 202.9 MB. Free memory was 160.3 MB in the beginning and 97.0 MB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 4 procedures, 36 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 6 SDslu, 25 SDs, 0 SdLazy, 16 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 0.8421052631578947 AbsIntWeakeningRatio, 1.5789473684210527 AbsIntAvgWeakeningVarsNumRemoved, 0.3157894736842105 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 1152 SizeOfPredicates, 2 NumberOfNonLiveVariables, 194 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...