/usr/bin/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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:03:00,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:03:00,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:03:00,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:03:00,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:03:00,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:03:00,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:03:00,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:03:00,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:03:00,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:03:00,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:03:00,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:03:00,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:03:00,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:03:00,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:03:00,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:03:00,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:03:00,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:03:00,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:03:00,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:03:00,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:03:00,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:03:00,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:03:00,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:03:00,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:03:00,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:03:00,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:03:00,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:03:00,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:03:00,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:03:00,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:03:00,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:03:00,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:03:00,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:03:00,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:03:00,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:03:00,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:03:00,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:03:00,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:03:00,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:03:00,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:03:00,555 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 [2019-11-07 10:03:00,569 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:03:00,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:03:00,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:03:00,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:03:00,571 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:03:00,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:03:00,572 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:03:00,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:03:00,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:03:00,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:03:00,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:03:00,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:03:00,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:03:00,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:03:00,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:03:00,573 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:03:00,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:03:00,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:03:00,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:03:00,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:03:00,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:03:00,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:03:00,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:03:00,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:03:00,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:03:00,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:03:00,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:03:00,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:03:00,576 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:03:00,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:03:00,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:03:00,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:03:00,880 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:03:00,880 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:03:00,881 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-11-07 10:03:00,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1744799/4de8f85fbb6d4d2f8c299514f1e19f17/FLAG27e1df287 [2019-11-07 10:03:01,421 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:03:01,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-11-07 10:03:01,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1744799/4de8f85fbb6d4d2f8c299514f1e19f17/FLAG27e1df287 [2019-11-07 10:03:01,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb1744799/4de8f85fbb6d4d2f8c299514f1e19f17 [2019-11-07 10:03:01,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:03:01,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:03:01,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:03:01,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:03:01,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:03:01,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:03:01" (1/1) ... [2019-11-07 10:03:01,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373e4cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:01, skipping insertion in model container [2019-11-07 10:03:01,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:03:01" (1/1) ... [2019-11-07 10:03:01,855 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:03:01,876 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:03:02,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:03:02,052 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:03:02,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:03:02,081 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:03:02,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02 WrapperNode [2019-11-07 10:03:02,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:03:02,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:03:02,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:03:02,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:03:02,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02" (1/1) ... [2019-11-07 10:03:02,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02" (1/1) ... [2019-11-07 10:03:02,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02" (1/1) ... [2019-11-07 10:03:02,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02" (1/1) ... [2019-11-07 10:03:02,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02" (1/1) ... [2019-11-07 10:03:02,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02" (1/1) ... [2019-11-07 10:03:02,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02" (1/1) ... [2019-11-07 10:03:02,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:03:02,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:03:02,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:03:02,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:03:02,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:03:02" (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 [2019-11-07 10:03:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:03:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:03:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-11-07 10:03:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:03:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:03:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:03:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-11-07 10:03:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:03:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:03:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:03:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:03:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:03:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:03:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 10:03:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:03:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:03:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:03:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:03:02,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:03:02,569 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 10:03:02,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:03:02 BoogieIcfgContainer [2019-11-07 10:03:02,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:03:02,571 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:03:02,571 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:03:02,572 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:03:02,573 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:03:02" (1/1) ... [2019-11-07 10:03:02,573 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 [2019-11-07 10:03:02,625 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:03:02,626 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:03:02,633 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:03:02,641 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:03:02,642 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:03:02,794 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-11-07 10:03:03,210 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-11-07 10:03:03,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:03:03,547 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:03:03,607 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:03:03,627 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:03:03,627 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:03:03,629 INFO L168 Benchmark]: Toolchain (without parser) took 1789.33 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 103.9 MB in the beginning and 92.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 74.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:03,630 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:03:03,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.83 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 93.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:03,632 INFO L168 Benchmark]: Boogie Preprocessor took 121.12 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 93.5 MB in the beginning and 180.0 MB in the end (delta: -86.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:03,633 INFO L168 Benchmark]: RCFGBuilder took 367.40 ms. Allocated memory is still 202.4 MB. Free memory was 180.0 MB in the beginning and 162.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:03,634 INFO L168 Benchmark]: Sifa took 1056.25 ms. Allocated memory is still 202.4 MB. Free memory was 162.7 MB in the beginning and 92.9 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:03:03,638 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.83 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 93.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.12 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 93.5 MB in the beginning and 180.0 MB in the end (delta: -86.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 367.40 ms. Allocated memory is still 202.4 MB. Free memory was 180.0 MB in the beginning and 162.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * Sifa took 1056.25 ms. Allocated memory is still 202.4 MB. Free memory was 162.7 MB in the beginning and 92.9 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 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]: 985, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 352, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 490, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 11, TOOLS_QUANTIFIERELIM_TIME[ms]: 837, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 465, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 12, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 57, 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]: 404, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 404, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 9, 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 (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= |main_~#b~0.offset| 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= 0 |main_~#pa~1.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...