java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:20:56,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:20:56,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:20:56,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:20:56,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:20:56,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:20:56,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:20:56,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:20:56,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:20:56,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:20:56,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:20:56,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:20:56,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:20:56,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:20:56,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:20:56,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:20:56,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:20:56,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:20:56,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:20:56,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:20:56,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:20:56,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:20:56,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:20:56,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:20:56,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-25 16:20:56,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:20:56,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:20:56,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:20:56,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:20:56,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:20:56,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:20:56,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:20:56,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:20:56,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:20:56,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:20:56,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:20:56,597 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 [2019-09-25 16:20:56,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:20:56,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:20:56,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:20:56,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:20:56,614 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:20:56,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:20:56,614 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:20:56,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:20:56,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:20:56,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:20:56,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:20:56,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:20:56,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:20:56,615 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:20:56,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:20:56,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:20:56,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:20:56,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:20:56,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:20:56,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:20:56,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:20:56,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:20:56,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:20:56,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:20:56,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:20:56,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:20:56,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:20:56,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:20:56,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:20:56,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:20:56,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:20:56,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:20:56,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:20:56,666 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:20:56,667 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test04.c [2019-09-25 16:20:56,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0931924e/36d4a01af641467fbef9c515a059b150/FLAGbd0d87e37 [2019-09-25 16:20:57,231 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:20:57,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test04.c [2019-09-25 16:20:57,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0931924e/36d4a01af641467fbef9c515a059b150/FLAGbd0d87e37 [2019-09-25 16:20:57,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0931924e/36d4a01af641467fbef9c515a059b150 [2019-09-25 16:20:57,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:20:57,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:20:57,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:20:57,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:20:57,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:20:57,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193d61cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57, skipping insertion in model container [2019-09-25 16:20:57,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,626 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:20:57,641 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:20:57,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:20:57,832 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:20:57,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:20:57,860 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:20:57,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57 WrapperNode [2019-09-25 16:20:57,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:20:57,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:20:57,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:20:57,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:20:57,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57" (1/1) ... [2019-09-25 16:20:57,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:20:57,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:20:57,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:20:57,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:20:57,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:20:57" (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 [2019-09-25 16:20:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:20:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:20:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-25 16:20:58,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:20:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:20:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-25 16:20:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:20:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:20:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:20:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:20:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:20:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:20:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:20:58,290 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:20:58,290 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 16:20:58,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:20:58 BoogieIcfgContainer [2019-09-25 16:20:58,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:20:58,292 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:20:58,292 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:20:58,293 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:20:58,294 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:20:58" (1/1) ... [2019-09-25 16:20:58,294 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 16:20:58,325 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:20:58,326 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:20:58,333 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:20:58,343 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:20:58,344 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:20:58,528 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-25 16:20:58,850 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:20:58,850 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:20:58,854 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#(and (= |#NULL.base| 0) (<= main_~p1~0.offset 0) (<= |main_~#b~0.offset| 0) (<= |#NULL.base| 0) (<= 0 main_~p1~0.offset) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~p2~0.offset 0) (<= 0 |main_~#b~0.offset|) (= |main_~#b~0.offset| 0) (= |#NULL.offset| 0) (<= 0 main_~p2~0.offset) (= |main_~#a~0.offset| 0)) [2019-09-25 16:20:58,870 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:20:58,871 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:20:58,873 INFO L168 Benchmark]: Toolchain (without parser) took 1264.81 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 138.7 MB in the end (delta: -52.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,874 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.65 ms. Allocated memory is still 140.0 MB. Free memory was 86.1 MB in the beginning and 76.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,876 INFO L168 Benchmark]: Boogie Preprocessor took 114.87 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 76.5 MB in the beginning and 177.8 MB in the end (delta: -101.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,877 INFO L168 Benchmark]: RCFGBuilder took 315.80 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 163.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,878 INFO L168 Benchmark]: Sifa took 578.62 ms. Allocated memory is still 200.3 MB. Free memory was 163.3 MB in the beginning and 138.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-25 16:20:58,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.65 ms. Allocated memory is still 140.0 MB. Free memory was 86.1 MB in the beginning and 76.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.87 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 76.5 MB in the beginning and 177.8 MB in the end (delta: -101.3 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 315.80 ms. Allocated memory is still 200.3 MB. Free memory was 177.8 MB in the beginning and 163.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Sifa took 578.62 ms. Allocated memory is still 200.3 MB. Free memory was 163.3 MB in the beginning and 138.7 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 529, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 105, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 209, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 307, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 187, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 9, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 140, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 147, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 146, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 34, DAG_COMPRESSION_RETAINED_NODES: 22 - UnprovableResult [Line: 22]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 28#(and (= |#NULL.base| 0) (<= main_~p1~0.offset 0) (<= |main_~#b~0.offset| 0) (<= |#NULL.base| 0) (<= 0 main_~p1~0.offset) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= main_~p2~0.offset 0) (<= 0 |main_~#b~0.offset|) (= |main_~#b~0.offset| 0) (= |#NULL.offset| 0) (<= 0 main_~p2~0.offset) (= |main_~#a~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...