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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:49:45,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:49:45,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:49:45,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:49:45,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:49:45,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:49:45,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:49:45,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:49:45,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:49:45,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:49:45,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:49:45,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:49:45,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:49:45,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:49:45,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:49:45,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:49:45,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:49:45,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:49:45,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:49:45,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:49:45,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:49:45,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:49:45,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:49:45,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:49:45,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 12:49:45,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:49:45,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:49:45,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:49:45,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:49:45,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:49:45,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:49:45,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:49:45,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:49:45,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:49:45,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:49:45,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:49:45,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 12:49:45,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:49:45,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:49:45,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:49:45,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:49:45,811 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:49:45,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:49:45,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:49:45,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:49:45,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:49:45,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:49:45,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:49:45,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:49:45,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:49:45,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:49:45,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:49:45,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:49:45,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:49:45,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:49:45,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:49:45,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:49:45,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:49:45,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:49:45,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:49:45,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:49:45,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:49:45,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:49:45,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:49:45,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:49:45,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 12:49:46,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:49:46,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:49:46,155 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:49:46,157 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:49:46,157 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:49:46,158 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-10-07 12:49:46,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e8da353/88c7b310a754499d9f2bfa0173ce017c/FLAGb86c6e9d8 [2019-10-07 12:49:46,722 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:49:46,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-10-07 12:49:46,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e8da353/88c7b310a754499d9f2bfa0173ce017c/FLAGb86c6e9d8 [2019-10-07 12:49:47,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e8da353/88c7b310a754499d9f2bfa0173ce017c [2019-10-07 12:49:47,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:49:47,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:49:47,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:49:47,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:49:47,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:49:47,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb457ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47, skipping insertion in model container [2019-10-07 12:49:47,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,138 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:49:47,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:49:47,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:49:47,396 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:49:47,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:49:47,433 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:49:47,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47 WrapperNode [2019-10-07 12:49:47,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:49:47,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:49:47,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:49:47,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:49:47,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (1/1) ... [2019-10-07 12:49:47,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:49:47,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:49:47,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:49:47,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:49:47,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (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 [2019-10-07 12:49:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:49:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:49:47,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-10-07 12:49:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-10-07 12:49:47,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:49:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:49:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-10-07 12:49:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:49:47,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:49:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-10-07 12:49:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:49:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:49:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:49:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:49:47,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:49:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:49:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:49:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:49:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:49:47,949 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:49:47,950 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 12:49:47,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:49:47 BoogieIcfgContainer [2019-10-07 12:49:47,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:49:47,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:49:47,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:49:47,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:49:47,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:49:47" (1/3) ... [2019-10-07 12:49:47,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a68477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:49:47, skipping insertion in model container [2019-10-07 12:49:47,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:49:47" (2/3) ... [2019-10-07 12:49:47,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a68477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:49:47, skipping insertion in model container [2019-10-07 12:49:47,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:49:47" (3/3) ... [2019-10-07 12:49:47,960 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2019-10-07 12:49:47,980 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:49:47,987 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:49:47,998 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:49:48,023 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:49:48,023 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:49:48,023 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:49:48,023 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:49:48,023 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:49:48,024 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:49:48,024 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:49:48,024 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:49:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-07 12:49:48,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-07 12:49:48,043 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:49:48,044 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:49:48,046 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:49:48,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:49:48,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1068358140, now seen corresponding path program 1 times [2019-10-07 12:49:48,059 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:49:48,059 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:49:48,060 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:49:48,060 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:49:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:49:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:49:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 12:49:48,722 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:49:48,722 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:49:48,722 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 12:49:48,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 12:49:48,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 12:49:48,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-07 12:49:48,745 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 11 states. [2019-10-07 12:49:49,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:49:49,183 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-10-07 12:49:49,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 12:49:49,186 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2019-10-07 12:49:49,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:49:49,195 INFO L225 Difference]: With dead ends: 24 [2019-10-07 12:49:49,195 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 12:49:49,205 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-10-07 12:49:49,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 12:49:49,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 12:49:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 12:49:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 12:49:49,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-07 12:49:49,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:49:49,236 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 12:49:49,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 12:49:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 12:49:49,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 12:49:49,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 12:49:49,660 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 12:49:49,660 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 12:49:49,660 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 12:49:49,661 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4)) (.cse0 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= |~#global~0.offset| 0) (= |~#b~0.base| (select .cse0 .cse1)) (not (= |~#b~0.base| |~#a~0.base|)) (= (select .cse2 |~#global~0.offset|) |~#a~0.offset|) (= (select .cse2 .cse1) |~#b~0.offset|) (= |~#a~0.base| (select .cse0 |~#global~0.offset|)))) [2019-10-07 12:49:49,661 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 12:49:49,661 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 12:49:49,663 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-10-07 12:49:49,663 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 19 33) no Hoare annotation was computed. [2019-10-07 12:49:49,664 INFO L439 ceAbstractionStarter]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-10-07 12:49:49,664 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 27) no Hoare annotation was computed. [2019-10-07 12:49:49,664 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 19 33) no Hoare annotation was computed. [2019-10-07 12:49:49,664 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-10-07 12:49:49,665 INFO L439 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: (let ((.cse2 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse4 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (let ((.cse1 (select |#memory_$Pointer$.base| main_~pd~0.base)) (.cse0 (select |#memory_$Pointer$.offset| main_~pd~0.base))) (and (= (select .cse0 4) |~#b~0.offset|) (= (select .cse1 main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select .cse1 4)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select .cse0 main_~pd~0.offset) |~#a~0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (not (= (select .cse2 .cse3) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= 0 |~#global~0.offset|)) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse4 |~#global~0.offset|))) (not (= (select .cse4 .cse3) |~#b~0.base|)))) [2019-10-07 12:49:49,665 INFO L443 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-10-07 12:49:49,666 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (and (= (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) |assign2_#in~pb.offset|) |assign2_#t~mem2.base|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) |assign2_#in~pb.offset|) |assign2_#t~mem2.offset|) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-10-07 12:49:49,666 INFO L443 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-10-07 12:49:49,666 INFO L439 ceAbstractionStarter]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-10-07 12:49:49,667 INFO L443 ceAbstractionStarter]: For program point assign2EXIT(lines 14 17) no Hoare annotation was computed. [2019-10-07 12:49:49,667 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 9 12) no Hoare annotation was computed. [2019-10-07 12:49:49,667 INFO L439 ceAbstractionStarter]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2019-10-07 12:49:49,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 12:49:49,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 12:49:49,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 12:49:49,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 12:49:49,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 12:49:49,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 12:49:49,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 12:49:49,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 12:49:49,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 12:49:49 BoogieIcfgContainer [2019-10-07 12:49:49,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 12:49:49,717 INFO L168 Benchmark]: Toolchain (without parser) took 2591.98 ms. Allocated memory was 145.8 MB in the beginning and 234.4 MB in the end (delta: 88.6 MB). Free memory was 102.2 MB in the beginning and 135.2 MB in the end (delta: -33.0 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. [2019-10-07 12:49:49,719 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 12:49:49,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.35 ms. Allocated memory is still 145.8 MB. Free memory was 102.0 MB in the beginning and 91.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-07 12:49:49,726 INFO L168 Benchmark]: Boogie Preprocessor took 122.13 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 91.9 MB in the beginning and 180.2 MB in the end (delta: -88.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-07 12:49:49,728 INFO L168 Benchmark]: RCFGBuilder took 394.29 ms. Allocated memory is still 202.4 MB. Free memory was 180.2 MB in the beginning and 162.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-10-07 12:49:49,730 INFO L168 Benchmark]: TraceAbstraction took 1758.52 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 162.5 MB in the beginning and 135.2 MB in the end (delta: 27.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. [2019-10-07 12:49:49,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 312.35 ms. Allocated memory is still 145.8 MB. Free memory was 102.0 MB in the beginning and 91.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.13 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 91.9 MB in the beginning and 180.2 MB in the end (delta: -88.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 394.29 ms. Allocated memory is still 202.4 MB. Free memory was 180.2 MB in the beginning and 162.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1758.52 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 162.5 MB in the beginning and 135.2 MB in the end (delta: 27.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: 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 - InvariantResult [Line: 20]: Loop Invariant [2019-10-07 12:49:49,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 12:49:49,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 12:49:49,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 12:49:49,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 12:49:49,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 12:49:49,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-07 12:49:49,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 12:49:49,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-07 12:49:49,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-07 12:49:49,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((!(\old(#memory_$Pointer$)[global][global + 4] == b) || a == b) || !(0 == global)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 20 locations, 1 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 8 SDtfs, 9 SDslu, 29 SDs, 0 SdLazy, 90 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 415 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 5068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...