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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-acceleration/array_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:21:21,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:21:21,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:21:21,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:21:21,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:21:21,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:21:21,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:21:21,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:21:21,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:21:21,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:21:21,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:21:21,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:21:21,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:21:21,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:21:21,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:21:21,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:21:21,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:21:21,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:21:21,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:21:21,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:21:21,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:21:21,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:21:21,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:21:21,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:21:21,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 21:21:21,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:21:21,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:21:21,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:21:21,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:21:21,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:21:21,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:21:21,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:21:21,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:21:21,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:21:21,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:21:21,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:21:21,680 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 [2019-09-20 21:21:21,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:21:21,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:21:21,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:21:21,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:21:21,720 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:21:21,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:21:21,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:21:21,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:21:21,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:21:21,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:21:21,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:21:21,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:21:21,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:21:21,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:21:21,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:21:21,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:21:21,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:21:21,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:21:21,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:21:21,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:21:21,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:21:21,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:21:21,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:21:21,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:21:21,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:21:21,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:21:21,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:21:21,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:21:21,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:21:21,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:21:21,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:21:21,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:21:21,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:21:21,798 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:21:21,799 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-09-20 21:21:21,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9be4d92/65fd4c348dad42439940bb6229d466dc/FLAG314b2daf9 [2019-09-20 21:21:22,296 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:21:22,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-09-20 21:21:22,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9be4d92/65fd4c348dad42439940bb6229d466dc/FLAG314b2daf9 [2019-09-20 21:21:22,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9be4d92/65fd4c348dad42439940bb6229d466dc [2019-09-20 21:21:22,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:21:22,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:21:22,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:21:22,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:21:22,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:21:22,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:22,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a43521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22, skipping insertion in model container [2019-09-20 21:21:22,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:22,722 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:21:22,737 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:21:22,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:21:22,917 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:21:22,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:21:22,950 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:21:22,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22 WrapperNode [2019-09-20 21:21:22,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:21:22,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:21:22,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:21:22,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:21:23,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:23,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:23,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:23,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:23,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:23,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:23,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22" (1/1) ... [2019-09-20 21:21:23,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:21:23,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:21:23,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:21:23,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:21:23,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:21:22" (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 [2019-09-20 21:21:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:21:23,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:21:23,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 21:21:23,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:21:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:21:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 21:21:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:21:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:21:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:21:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:21:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:21:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:21:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:21:23,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:21:23,368 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 21:21:23,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:21:23 BoogieIcfgContainer [2019-09-20 21:21:23,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:21:23,371 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:21:23,371 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:21:23,372 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:21:23,373 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:21:23" (1/1) ... [2019-09-20 21:21:23,374 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:21:23,423 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:21:23,423 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:21:23,438 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:21:23,446 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:21:23,448 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:21:23,603 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-20 21:21:24,141 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:21:24,504 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-20 21:21:24,599 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 25 for LOIs [2019-09-20 21:21:24,635 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:21:24,635 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:21:24,637 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 32#(and (exists ((|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int)) (or (and (= |#NULL.base| 0) (= 1023 (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 4092)) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (not (= 1023 (select (select |#memory_int| v_prenex_1) 4092))) (= |#NULL.offset| 0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 21:21:24,654 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:21:24,655 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:21:24,657 INFO L168 Benchmark]: Toolchain (without parser) took 1948.78 ms. Allocated memory was 141.6 MB in the beginning and 227.5 MB in the end (delta: 86.0 MB). Free memory was 89.0 MB in the beginning and 171.4 MB in the end (delta: -82.4 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:24,659 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 21:21:24,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.67 ms. Allocated memory is still 141.6 MB. Free memory was 88.8 MB in the beginning and 78.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:24,663 INFO L168 Benchmark]: Boogie Preprocessor took 117.90 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 78.7 MB in the beginning and 177.2 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:24,669 INFO L168 Benchmark]: RCFGBuilder took 300.86 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 162.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:24,671 INFO L168 Benchmark]: Sifa took 1283.84 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 162.3 MB in the beginning and 171.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-09-20 21:21:24,681 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.67 ms. Allocated memory is still 141.6 MB. Free memory was 88.8 MB in the beginning and 78.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.90 ms. Allocated memory was 141.6 MB in the beginning and 200.3 MB in the end (delta: 58.7 MB). Free memory was 78.7 MB in the beginning and 177.2 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.86 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 162.3 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Sifa took 1283.84 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 162.3 MB in the beginning and 171.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 18.2 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]: 1214, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 51, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 52, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 117, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 51, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 506, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 487, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 974, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 974, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 5]: 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 32#(and (exists ((|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_1 Int)) (or (and (= |#NULL.base| 0) (= 1023 (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) 4092)) (= |__VERIFIER_assert_#in~cond| 1) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (not (= 1023 (select (select |#memory_int| v_prenex_1) 4092))) (= |#NULL.offset| 0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...