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 0.1.24-13a467a-m [2019-10-15 02:56:21,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:56:21,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:56:21,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:56:21,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:56:21,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:56:21,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:56:21,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:56:21,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:56:21,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:56:21,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:56:21,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:56:21,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:56:21,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:56:21,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:56:21,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:56:21,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:56:21,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:56:21,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:56:21,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:56:21,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:56:21,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:56:21,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:56:21,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:56:21,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 02:56:21,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:56:21,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:56:21,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:56:21,875 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 [2019-10-15 02:56:21,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:56:21,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:56:21,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:56:21,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:56:21,902 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:56:21,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:56:21,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:56:21,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:56:21,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:56:21,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:56:21,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:56:21,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:56:21,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:56:21,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:56:21,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:56:21,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:56:21,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:56:21,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:56:21,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:56:21,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:56:21,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:56:21,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:56:21,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:56:21,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:56:21,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:56:21,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:56:21,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:56:21,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:56:21,908 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 [2019-10-15 02:56:22,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:56:22,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:56:22,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:56:22,203 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:56:22,203 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:56:22,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-10-15 02:56:22,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657861bbf/7cc46b1c19e7429abf8c134e7e344513/FLAG32724c20f [2019-10-15 02:56:22,754 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:56:22,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-10-15 02:56:22,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657861bbf/7cc46b1c19e7429abf8c134e7e344513/FLAG32724c20f [2019-10-15 02:56:23,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/657861bbf/7cc46b1c19e7429abf8c134e7e344513 [2019-10-15 02:56:23,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:56:23,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:56:23,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:56:23,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:56:23,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:56:23,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fe3b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23, skipping insertion in model container [2019-10-15 02:56:23,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,163 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:56:23,180 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:56:23,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:56:23,373 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:56:23,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:56:23,415 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:56:23,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23 WrapperNode [2019-10-15 02:56:23,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:56:23,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:56:23,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:56:23,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:56:23,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (1/1) ... [2019-10-15 02:56:23,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:56:23,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:56:23,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:56:23,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:56:23,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (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 [2019-10-15 02:56:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:56:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:56:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-10-15 02:56:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-10-15 02:56:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:56:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:56:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-10-15 02:56:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:56:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:56:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-10-15 02:56:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:56:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:56:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:56:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:56:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:56:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:56:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:56:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:56:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:56:23,926 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:56:23,926 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:56:23,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:56:23 BoogieIcfgContainer [2019-10-15 02:56:23,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:56:23,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:56:23,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:56:23,932 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:56:23,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:56:23" (1/3) ... [2019-10-15 02:56:23,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157af20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:56:23, skipping insertion in model container [2019-10-15 02:56:23,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:56:23" (2/3) ... [2019-10-15 02:56:23,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157af20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:56:23, skipping insertion in model container [2019-10-15 02:56:23,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:56:23" (3/3) ... [2019-10-15 02:56:23,936 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2019-10-15 02:56:23,947 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:56:23,956 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:56:23,978 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:56:24,017 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:56:24,018 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:56:24,018 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:56:24,018 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:56:24,018 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:56:24,018 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:56:24,019 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:56:24,019 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:56:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-15 02:56:24,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-15 02:56:24,039 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:56:24,040 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 02:56:24,042 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:56:24,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:56:24,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1068358140, now seen corresponding path program 1 times [2019-10-15 02:56:24,054 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:56:24,054 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89469733] [2019-10-15 02:56:24,055 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:24,055 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:56:24,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:56:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:56:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 02:56:24,728 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89469733] [2019-10-15 02:56:24,728 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:56:24,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 02:56:24,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620544961] [2019-10-15 02:56:24,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 02:56:24,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:56:24,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 02:56:24,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-15 02:56:24,750 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 11 states. [2019-10-15 02:56:25,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:56:25,155 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-10-15 02:56:25,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 02:56:25,157 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2019-10-15 02:56:25,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:56:25,165 INFO L225 Difference]: With dead ends: 24 [2019-10-15 02:56:25,165 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 02:56:25,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-10-15 02:56:25,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 02:56:25,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 02:56:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 02:56:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 02:56:25,197 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-10-15 02:56:25,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:56:25,198 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 02:56:25,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 02:56:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 02:56:25,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 02:56:25,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 02:56:25,586 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 02:56:25,586 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 02:56:25,586 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 02:56:25,586 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|)))) [2019-10-15 02:56:25,587 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 02:56:25,587 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 02:56:25,587 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|)))) [2019-10-15 02:56:25,588 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 19 33) no Hoare annotation was computed. [2019-10-15 02:56:25,588 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|)))) [2019-10-15 02:56:25,588 INFO L443 ceAbstractionStarter]: For program point L25(lines 25 27) no Hoare annotation was computed. [2019-10-15 02:56:25,588 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2019-10-15 02:56:25,589 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 19 33) no Hoare annotation was computed. [2019-10-15 02:56:25,589 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|)))) [2019-10-15 02:56:25,589 INFO L443 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-10-15 02:56:25,589 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|)))) [2019-10-15 02:56:25,590 INFO L443 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-10-15 02:56:25,590 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|)))) [2019-10-15 02:56:25,590 INFO L443 ceAbstractionStarter]: For program point assign2EXIT(lines 14 17) no Hoare annotation was computed. [2019-10-15 02:56:25,590 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 9 12) no Hoare annotation was computed. [2019-10-15 02:56:25,591 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|)))) [2019-10-15 02:56:25,601 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 02:56:25,603 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 02:56:25,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 02:56:25,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 02:56:25,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,606 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 02:56:25,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 02:56:25,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 02:56:25,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 02:56:25,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:56:25 BoogieIcfgContainer [2019-10-15 02:56:25,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 02:56:25,623 INFO L168 Benchmark]: Toolchain (without parser) took 2476.52 ms. Allocated memory was 145.8 MB in the beginning and 234.4 MB in the end (delta: 88.6 MB). Free memory was 102.3 MB in the beginning and 135.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:25,625 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 02:56:25,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.27 ms. Allocated memory is still 145.8 MB. Free memory was 102.1 MB in the beginning and 92.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:25,630 INFO L168 Benchmark]: Boogie Preprocessor took 130.56 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 92.1 MB in the beginning and 181.6 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:25,631 INFO L168 Benchmark]: RCFGBuilder took 380.98 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 164.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:25,633 INFO L168 Benchmark]: TraceAbstraction took 1691.13 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 163.4 MB in the beginning and 135.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2019-10-15 02:56:25,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.27 ms. Allocated memory is still 145.8 MB. Free memory was 102.1 MB in the beginning and 92.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.56 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 92.1 MB in the beginning and 181.6 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.98 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 164.1 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1691.13 ms. Allocated memory was 203.9 MB in the beginning and 234.4 MB in the end (delta: 30.4 MB). Free memory was 163.4 MB in the beginning and 135.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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 [2019-10-15 02:56:25,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 02:56:25,666 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 02:56:25,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 02:56:25,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 02:56:25,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,668 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 02:56:25,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 02:56:25,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 02:56:25,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 02:56:25,670 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,671 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,677 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 02:56:25,677 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: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, 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, 0.4s 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...