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/diff-3-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:35:48,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:35:48,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:35:48,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 05:35:48,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 05:35:48,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 05:35:48,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 05:35:48,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 05:35:48,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 05:35:48,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 05:35:48,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 05:35:48,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 05:35:48,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 05:35:48,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 05:35:48,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 05:35:48,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 05:35:48,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 05:35:48,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 05:35:48,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 05:35:48,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 05:35:48,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 05:35:48,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 05:35:48,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 05:35:48,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 05:35:48,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-09 05:35:48,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 05:35:48,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 05:35:48,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 05:35:48,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 05:35:48,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 05:35:48,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 05:35:48,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 05:35:48,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 05:35:48,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:35:48,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:35:48,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:35:48,497 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 05:35:48,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:35:48,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:35:48,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:35:48,512 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:35:48,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:35:48,513 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:35:48,513 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:35:48,513 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:35:48,514 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:35:48,514 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:35:48,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:35:48,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:35:48,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:35:48,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:35:48,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:35:48,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:35:48,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:35:48,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:35:48,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:35:48,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:35:48,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:35:48,517 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:35:48,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:35:48,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:35:48,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:35:48,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:35:48,518 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:35:48,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:35:48,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:35:48,518 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:35:48,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:35:48,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:35:48,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:35:48,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:35:48,568 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:35:48,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/diff-3-n-u.c [2019-09-09 05:35:48,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0dda1f53/77dd51a87c3e4ac3845e7041bc4958dc/FLAG8b29afa79 [2019-09-09 05:35:49,083 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:35:49,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/diff-3-n-u.c [2019-09-09 05:35:49,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0dda1f53/77dd51a87c3e4ac3845e7041bc4958dc/FLAG8b29afa79 [2019-09-09 05:35:49,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0dda1f53/77dd51a87c3e4ac3845e7041bc4958dc [2019-09-09 05:35:49,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:35:49,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:35:49,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:35:49,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:35:49,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:35:49,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b89d9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49, skipping insertion in model container [2019-09-09 05:35:49,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,488 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:35:49,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:35:49,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:35:49,723 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:35:49,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:35:49,850 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:35:49,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49 WrapperNode [2019-09-09 05:35:49,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:35:49,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:35:49,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:35:49,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:35:49,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (1/1) ... [2019-09-09 05:35:49,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:35:49,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:35:49,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:35:49,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:35:49,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (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 05:35:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:35:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:35:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-09 05:35:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:35:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:35:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-09 05:35:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-09 05:35:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:35:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-09 05:35:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-09 05:35:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-09 05:35:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-09 05:35:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:35:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:35:50,271 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:35:50,271 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-09 05:35:50,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:35:50 BoogieIcfgContainer [2019-09-09 05:35:50,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:35:50,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:35:50,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:35:50,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:35:50,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:35:49" (1/3) ... [2019-09-09 05:35:50,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cc96da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:35:50, skipping insertion in model container [2019-09-09 05:35:50,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:49" (2/3) ... [2019-09-09 05:35:50,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cc96da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:35:50, skipping insertion in model container [2019-09-09 05:35:50,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:35:50" (3/3) ... [2019-09-09 05:35:50,280 INFO L109 eAbstractionObserver]: Analyzing ICFG diff-3-n-u.c [2019-09-09 05:35:50,289 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:35:50,297 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:35:50,312 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:35:50,336 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:35:50,336 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:35:50,337 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:35:50,337 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:35:50,337 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:35:50,337 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:35:50,337 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:35:50,337 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:35:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2019-09-09 05:35:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-09 05:35:50,363 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:50,364 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 05:35:50,365 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:50,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:50,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1773460249, now seen corresponding path program 1 times [2019-09-09 05:35:50,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:50,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:50,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:50,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:50,421 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:50,456 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:50,456 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:50,456 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 05:35:50,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:50,475 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:50,498 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-09 05:35:50,501 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-09 05:35:50,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:35:50,501 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 05:35:50,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:50,532 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-09 05:35:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:50,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2019-09-09 05:35:50,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 05:35:50,598 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 05:35:50,599 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-09 05:35:50,627 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 05:35:50,633 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:50,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-09-09 05:35:50,634 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:50,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:35:50,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:35:50,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:35:50,653 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2019-09-09 05:35:50,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:50,670 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2019-09-09 05:35:50,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:35:50,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-09-09 05:35:50,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:50,681 INFO L225 Difference]: With dead ends: 36 [2019-09-09 05:35:50,681 INFO L226 Difference]: Without dead ends: 31 [2019-09-09 05:35:50,683 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 05:35:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-09-09 05:35:50,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-09-09 05:35:50,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-09-09 05:35:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2019-09-09 05:35:50,714 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 17 [2019-09-09 05:35:50,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:50,714 INFO L475 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2019-09-09 05:35:50,715 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:35:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2019-09-09 05:35:50,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-09 05:35:50,716 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:50,716 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 05:35:50,716 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:50,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:50,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1763514787, now seen corresponding path program 1 times [2019-09-09 05:35:50,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:50,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:50,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:50,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:50,719 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:50,727 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:50,727 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:50,727 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 05:35:50,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:50,749 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:50,769 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-09 05:35:50,769 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-09 05:35:50,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:35:50,769 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) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-09 05:35:50,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:50,788 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-09 05:35:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:50,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-09 05:35:50,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 05:35:50,872 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 05:35:50,872 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-09 05:35:50,890 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 05:35:50,894 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:50,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-09-09 05:35:50,894 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:50,895 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:35:50,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:35:50,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-09 05:35:50,896 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. Second operand 3 states. [2019-09-09 05:35:50,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:50,939 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2019-09-09 05:35:50,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:35:50,940 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-09-09 05:35:50,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:50,941 INFO L225 Difference]: With dead ends: 36 [2019-09-09 05:35:50,942 INFO L226 Difference]: Without dead ends: 36 [2019-09-09 05:35:50,943 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 05:35:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-09-09 05:35:50,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2019-09-09 05:35:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-09-09 05:35:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2019-09-09 05:35:50,949 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 17 [2019-09-09 05:35:50,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:50,949 INFO L475 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2019-09-09 05:35:50,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:35:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2019-09-09 05:35:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-09 05:35:50,951 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:50,951 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 05:35:50,951 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:50,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:50,952 INFO L82 PathProgramCache]: Analyzing trace with hash -2133227694, now seen corresponding path program 1 times [2019-09-09 05:35:50,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:50,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:50,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:50,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:50,954 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:50,960 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:50,961 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:50,961 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 05:35:50,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:50,979 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:51,000 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 21 with the following transitions: [2019-09-09 05:35:51,002 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 05:35:51,049 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-09 05:35:51,049 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-09 05:35:51,147 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-09 05:35:51,148 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 05:35:51,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:51,152 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-09 05:35:51,186 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-09-09 05:35:51,186 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-09 05:35:51,188 INFO L420 sIntCurrentIteration]: We unified 19 AI predicates to 19 [2019-09-09 05:35:51,188 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-09 05:35:51,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:51,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-09 05:35:51,189 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:51,189 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:35:51,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:35:51,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:35:51,190 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand 2 states. [2019-09-09 05:35:51,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:51,191 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-09-09 05:35:51,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:35:51,191 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2019-09-09 05:35:51,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:51,191 INFO L225 Difference]: With dead ends: 6 [2019-09-09 05:35:51,191 INFO L226 Difference]: Without dead ends: 0 [2019-09-09 05:35:51,192 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 05:35:51,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-09 05:35:51,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-09 05:35:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-09 05:35:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-09 05:35:51,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-09-09 05:35:51,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:51,193 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-09 05:35:51,193 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:35:51,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-09 05:35:51,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-09 05:35:51,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:35:51 BoogieIcfgContainer [2019-09-09 05:35:51,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:35:51,200 INFO L168 Benchmark]: Toolchain (without parser) took 1725.23 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.2 MB in the beginning and 89.6 MB in the end (delta: -1.4 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:51,200 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-09 05:35:51,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.03 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.8 MB in the beginning and 176.4 MB in the end (delta: -88.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:51,202 INFO L168 Benchmark]: Boogie Preprocessor took 39.90 ms. Allocated memory is still 200.3 MB. Free memory was 176.4 MB in the beginning and 173.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:51,203 INFO L168 Benchmark]: RCFGBuilder took 380.63 ms. Allocated memory is still 200.3 MB. Free memory was 173.8 MB in the beginning and 155.4 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:51,204 INFO L168 Benchmark]: TraceAbstraction took 924.03 ms. Allocated memory is still 200.3 MB. Free memory was 155.4 MB in the beginning and 89.6 MB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:51,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 377.03 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.8 MB in the beginning and 176.4 MB in the end (delta: -88.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.90 ms. Allocated memory is still 200.3 MB. Free memory was 176.4 MB in the beginning and 173.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.63 ms. Allocated memory is still 200.3 MB. Free memory was 173.8 MB in the beginning and 155.4 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 924.03 ms. Allocated memory is still 200.3 MB. Free memory was 155.4 MB in the beginning and 89.6 MB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 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, 0.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.0s 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, 0.0s 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...