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/copy-partial-3-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 05:35:45,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 05:35:45,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 05:35:45,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 05:35:45,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 05:35:45,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 05:35:45,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 05:35:45,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 05:35:45,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 05:35:45,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 05:35:45,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 05:35:45,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 05:35:45,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 05:35:45,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 05:35:45,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 05:35:45,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 05:35:45,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 05:35:45,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 05:35:45,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 05:35:45,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 05:35:45,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 05:35:45,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 05:35:45,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 05:35:45,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 05:35:45,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-09 05:35:45,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 05:35:45,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 05:35:45,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 05:35:45,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 05:35:45,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 05:35:45,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 05:35:45,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 05:35:45,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 05:35:45,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 05:35:45,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 05:35:45,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 05:35:45,686 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 05:35:45,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 05:35:45,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 05:35:45,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 05:35:45,703 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 05:35:45,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 05:35:45,704 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 05:35:45,705 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 05:35:45,705 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 05:35:45,705 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 05:35:45,705 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 05:35:45,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 05:35:45,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 05:35:45,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 05:35:45,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 05:35:45,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 05:35:45,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 05:35:45,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 05:35:45,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 05:35:45,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 05:35:45,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 05:35:45,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 05:35:45,709 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 05:35:45,709 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 05:35:45,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 05:35:45,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 05:35:45,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 05:35:45,710 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 05:35:45,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 05:35:45,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 05:35:45,710 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 05:35:45,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 05:35:45,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 05:35:45,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 05:35:45,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 05:35:45,763 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 05:35:45,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/copy-partial-3-u.c [2019-09-09 05:35:45,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17ba15a7/261ea9661e1c4abf8dca0fc93db14256/FLAG3d04ce0bc [2019-09-09 05:35:46,324 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 05:35:46,325 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/copy-partial-3-u.c [2019-09-09 05:35:46,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17ba15a7/261ea9661e1c4abf8dca0fc93db14256/FLAG3d04ce0bc [2019-09-09 05:35:46,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17ba15a7/261ea9661e1c4abf8dca0fc93db14256 [2019-09-09 05:35:46,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 05:35:46,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 05:35:46,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 05:35:46,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 05:35:46,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 05:35:46,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:35:46" (1/1) ... [2019-09-09 05:35:46,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6b4f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:46, skipping insertion in model container [2019-09-09 05:35:46,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 05:35:46" (1/1) ... [2019-09-09 05:35:46,714 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 05:35:46,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 05:35:46,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:35:46,937 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 05:35:47,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 05:35:47,114 INFO L192 MainTranslator]: Completed translation [2019-09-09 05:35:47,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47 WrapperNode [2019-09-09 05:35:47,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 05:35:47,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 05:35:47,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 05:35:47,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 05:35:47,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (1/1) ... [2019-09-09 05:35:47,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (1/1) ... [2019-09-09 05:35:47,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (1/1) ... [2019-09-09 05:35:47,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (1/1) ... [2019-09-09 05:35:47,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (1/1) ... [2019-09-09 05:35:47,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (1/1) ... [2019-09-09 05:35:47,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (1/1) ... [2019-09-09 05:35:47,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 05:35:47,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 05:35:47,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 05:35:47,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 05:35:47,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (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 05:35:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 05:35:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 05:35:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-09 05:35:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 05:35:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 05:35:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-09 05:35:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-09 05:35:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 05:35:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 05:35:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-09 05:35:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-09 05:35:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-09 05:35:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-09 05:35:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 05:35:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 05:35:47,624 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 05:35:47,624 INFO L283 CfgBuilder]: Removed 12 assume(true) statements. [2019-09-09 05:35:47,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:35:47 BoogieIcfgContainer [2019-09-09 05:35:47,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 05:35:47,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 05:35:47,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 05:35:47,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 05:35:47,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 05:35:46" (1/3) ... [2019-09-09 05:35:47,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bbdf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:35:47, skipping insertion in model container [2019-09-09 05:35:47,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 05:35:47" (2/3) ... [2019-09-09 05:35:47,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62bbdf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 05:35:47, skipping insertion in model container [2019-09-09 05:35:47,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 05:35:47" (3/3) ... [2019-09-09 05:35:47,648 INFO L109 eAbstractionObserver]: Analyzing ICFG copy-partial-3-u.c [2019-09-09 05:35:47,661 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 05:35:47,669 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 05:35:47,688 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 05:35:47,721 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 05:35:47,722 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 05:35:47,722 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 05:35:47,722 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 05:35:47,724 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 05:35:47,724 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 05:35:47,724 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 05:35:47,724 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 05:35:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-09-09 05:35:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-09 05:35:47,757 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:47,758 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:35:47,761 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:47,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:47,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1174671461, now seen corresponding path program 1 times [2019-09-09 05:35:47,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:47,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:47,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:47,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:47,817 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:47,860 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:47,861 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:47,861 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 05:35:47,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:47,876 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:47,926 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-09 05:35:47,929 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-09 05:35:47,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:35:47,929 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 05:35:47,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:47,943 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-09 05:35:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:47,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2019-09-09 05:35:47,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 05:35:48,005 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 05:35:48,006 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-09 05:35:48,027 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 05:35:48,032 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:48,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-09-09 05:35:48,033 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:48,042 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:35:48,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:35:48,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:35:48,062 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-09-09 05:35:48,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:48,086 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2019-09-09 05:35:48,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:35:48,088 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-09-09 05:35:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:48,099 INFO L225 Difference]: With dead ends: 42 [2019-09-09 05:35:48,099 INFO L226 Difference]: Without dead ends: 37 [2019-09-09 05:35:48,102 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 37 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 05:35:48,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-09-09 05:35:48,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-09-09 05:35:48,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-09-09 05:35:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2019-09-09 05:35:48,152 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 19 [2019-09-09 05:35:48,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:48,153 INFO L475 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2019-09-09 05:35:48,153 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:35:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2019-09-09 05:35:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-09 05:35:48,155 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:48,155 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 05:35:48,156 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:48,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:48,156 INFO L82 PathProgramCache]: Analyzing trace with hash 2144819339, now seen corresponding path program 1 times [2019-09-09 05:35:48,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:48,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:48,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:48,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:48,159 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:48,167 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:48,168 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:48,168 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 05:35:48,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:48,187 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:48,209 INFO L195 CegarAbsIntRunner]: Skipping current iteration for AI because the path program does not contain any loops [2019-09-09 05:35:48,209 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-09 05:35:48,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 05:35:48,210 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 05:35:48,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:48,231 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-09 05:35:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:48,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-09 05:35:48,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-09 05:35:48,323 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 05:35:48,324 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-09 05:35:48,340 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 05:35:48,344 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:48,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-09-09 05:35:48,344 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:48,346 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 05:35:48,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 05:35:48,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-09 05:35:48,347 INFO L87 Difference]: Start difference. First operand 37 states and 48 transitions. Second operand 3 states. [2019-09-09 05:35:48,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:48,431 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2019-09-09 05:35:48,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 05:35:48,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-09-09 05:35:48,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:48,433 INFO L225 Difference]: With dead ends: 42 [2019-09-09 05:35:48,433 INFO L226 Difference]: Without dead ends: 42 [2019-09-09 05:35:48,434 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 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 05:35:48,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-09-09 05:35:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2019-09-09 05:35:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-09-09 05:35:48,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2019-09-09 05:35:48,447 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 19 [2019-09-09 05:35:48,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:48,448 INFO L475 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2019-09-09 05:35:48,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 05:35:48,449 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2019-09-09 05:35:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-09-09 05:35:48,453 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 05:35:48,453 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, 1, 1] [2019-09-09 05:35:48,454 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 05:35:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:48,455 INFO L82 PathProgramCache]: Analyzing trace with hash 698119250, now seen corresponding path program 1 times [2019-09-09 05:35:48,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 05:35:48,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:48,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:48,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 05:35:48,461 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 05:35:48,480 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-09 05:35:48,483 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-09 05:35:48,484 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 05:35:48,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 05:35:48,501 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-09 05:35:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 05:35:48,523 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 23 with the following transitions: [2019-09-09 05:35:48,525 INFO L207 CegarAbsIntRunner]: [0], [1], [5], [12], [14], [21], [40], [44], [51], [83], [90], [122], [131], [140], [149], [165], [168], [170], [176], [177], [178], [180] [2019-09-09 05:35:48,564 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-09 05:35:48,565 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-09 05:35:48,640 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-09 05:35:48,642 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 17 root evaluator evaluations with a maximum evaluation depth of 0. Performed 17 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 23 variables. [2019-09-09 05:35:48,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 05:35:48,647 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-09 05:35:48,687 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-09-09 05:35:48,687 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-09 05:35:48,689 INFO L420 sIntCurrentIteration]: We unified 21 AI predicates to 21 [2019-09-09 05:35:48,690 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-09 05:35:48,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 05:35:48,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-09 05:35:48,691 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 05:35:48,691 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-09 05:35:48,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-09 05:35:48,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-09 05:35:48,692 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand 2 states. [2019-09-09 05:35:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 05:35:48,694 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-09-09 05:35:48,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-09 05:35:48,694 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2019-09-09 05:35:48,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 05:35:48,695 INFO L225 Difference]: With dead ends: 6 [2019-09-09 05:35:48,695 INFO L226 Difference]: Without dead ends: 0 [2019-09-09 05:35:48,695 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 05:35:48,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-09 05:35:48,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-09 05:35:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-09 05:35:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-09 05:35:48,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2019-09-09 05:35:48,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 05:35:48,697 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-09 05:35:48,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-09 05:35:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-09 05:35:48,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-09 05:35:48,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.09 05:35:48 BoogieIcfgContainer [2019-09-09 05:35:48,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-09 05:35:48,707 INFO L168 Benchmark]: Toolchain (without parser) took 2010.56 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 89.9 MB in the beginning and 87.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:48,708 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 136.3 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-09 05:35:48,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.24 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 89.7 MB in the beginning and 178.5 MB in the end (delta: -88.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:48,710 INFO L168 Benchmark]: Boogie Preprocessor took 50.51 ms. Allocated memory is still 201.9 MB. Free memory was 178.5 MB in the beginning and 176.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:48,711 INFO L168 Benchmark]: RCFGBuilder took 458.86 ms. Allocated memory is still 201.9 MB. Free memory was 176.4 MB in the beginning and 156.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:48,712 INFO L168 Benchmark]: TraceAbstraction took 1077.04 ms. Allocated memory is still 201.9 MB. Free memory was 156.8 MB in the beginning and 87.9 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. [2019-09-09 05:35:48,716 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 136.3 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 418.24 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 89.7 MB in the beginning and 178.5 MB in the end (delta: -88.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.51 ms. Allocated memory is still 201.9 MB. Free memory was 178.5 MB in the beginning and 176.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 458.86 ms. Allocated memory is still 201.9 MB. Free memory was 176.4 MB in the beginning and 156.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1077.04 ms. Allocated memory is still 201.9 MB. Free memory was 156.8 MB in the beginning and 87.9 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 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, 42 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 SDtfs, 6 SDslu, 20 SDs, 0 SdLazy, 33 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 0.8928571428571429 AbsIntWeakeningRatio, 1.2857142857142858 AbsIntAvgWeakeningVarsNumRemoved, 0.2857142857142857 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, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 1440 SizeOfPredicates, 2 NumberOfNonLiveVariables, 182 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...