/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/loops/trex04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:11:22,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:11:22,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:11:22,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:11:22,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:11:22,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:11:22,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:11:22,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:11:22,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:11:22,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:11:22,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:11:22,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:11:22,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:11:22,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:11:22,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:11:22,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:11:22,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:11:22,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:11:22,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:11:22,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:11:22,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:11:22,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:11:22,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:11:22,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:11:22,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:11:22,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:11:22,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:11:22,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:11:22,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:11:22,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:11:22,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:11:22,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:11:22,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:11:22,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:11:22,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:11:22,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:11:22,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:11:22,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:11:22,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:11:22,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:11:22,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:11:22,513 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 10:11:22,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:11:22,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:11:22,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:11:22,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:11:22,548 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:11:22,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:11:22,548 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:11:22,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:11:22,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:11:22,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:11:22,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:11:22,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:11:22,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:11:22,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:11:22,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:11:22,550 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:11:22,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:11:22,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:11:22,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:11:22,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:11:22,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:11:22,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:11:22,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:11:22,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:11:22,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:11:22,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:11:22,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:11:22,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:11:22,553 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 10:11:22,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:11:22,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:11:22,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:11:22,849 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:11:22,850 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:11:22,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex04.c [2019-11-07 10:11:22,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aad1ceac5/298f765a7d9546e1ae6fd0c90572b114/FLAG8d8259cf9 [2019-11-07 10:11:23,395 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:11:23,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex04.c [2019-11-07 10:11:23,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aad1ceac5/298f765a7d9546e1ae6fd0c90572b114/FLAG8d8259cf9 [2019-11-07 10:11:23,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aad1ceac5/298f765a7d9546e1ae6fd0c90572b114 [2019-11-07 10:11:23,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:11:23,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:11:23,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:23,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:11:23,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:11:23,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:23" (1/1) ... [2019-11-07 10:11:23,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4170af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:23, skipping insertion in model container [2019-11-07 10:11:23,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:11:23" (1/1) ... [2019-11-07 10:11:23,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:11:23,836 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:11:24,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:24,011 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:11:24,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:11:24,040 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:11:24,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24 WrapperNode [2019-11-07 10:11:24,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:11:24,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:11:24,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:11:24,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:11:24,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24" (1/1) ... [2019-11-07 10:11:24,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24" (1/1) ... [2019-11-07 10:11:24,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24" (1/1) ... [2019-11-07 10:11:24,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24" (1/1) ... [2019-11-07 10:11:24,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24" (1/1) ... [2019-11-07 10:11:24,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24" (1/1) ... [2019-11-07 10:11:24,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24" (1/1) ... [2019-11-07 10:11:24,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:11:24,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:11:24,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:11:24,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:11:24,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:11:24" (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 10:11:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:11:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:11:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:11:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-11-07 10:11:24,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:11:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:11:24,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 10:11:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:11:24,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 10:11:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:11:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-11-07 10:11:24,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:11:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:11:24,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:11:24,591 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:11:24,591 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 10:11:24,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:24 BoogieIcfgContainer [2019-11-07 10:11:24,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:11:24,593 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:11:24,593 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:11:24,593 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:11:24,595 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:11:24" (1/1) ... [2019-11-07 10:11:24,595 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 10:11:24,617 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:11:24,617 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:11:24,625 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:11:24,632 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:11:24,633 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:11:24,670 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-11-07 10:11:24,937 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-11-07 10:11:24,940 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:11:24,950 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-07 10:11:24,950 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:11:24,953 INFO L168 Benchmark]: Toolchain (without parser) took 1155.70 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 104.4 MB in the beginning and 149.5 MB in the end (delta: -45.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:24,954 INFO L168 Benchmark]: CDTParser took 1.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:11:24,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.35 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 94.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:24,956 INFO L168 Benchmark]: Boogie Preprocessor took 124.21 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 94.1 MB in the beginning and 183.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:24,957 INFO L168 Benchmark]: RCFGBuilder took 427.26 ms. Allocated memory is still 205.0 MB. Free memory was 183.2 MB in the beginning and 164.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:24,958 INFO L168 Benchmark]: Sifa took 357.29 ms. Allocated memory is still 205.0 MB. Free memory was 164.6 MB in the beginning and 149.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:11:24,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.35 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 94.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.21 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 94.1 MB in the beginning and 183.2 MB in the end (delta: -89.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 427.26 ms. Allocated memory is still 205.0 MB. Free memory was 183.2 MB in the beginning and 164.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. * Sifa took 357.29 ms. Allocated memory is still 205.0 MB. Free memory was 164.6 MB in the beginning and 149.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 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]: 324, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME[ms]: 40, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 32, TOOLS_QUANTIFIERELIM_APPLICATIONS: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 82, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 121, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 22, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 10, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 37, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 36, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 86, DAG_COMPRESSION_RETAINED_NODES: 41 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...