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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:27:30,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:27:30,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:27:30,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:27:30,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:27:30,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:27:30,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:27:30,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:27:30,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:27:30,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:27:30,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:27:30,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:27:30,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:27:30,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:27:30,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:27:30,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:27:30,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:27:30,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:27:30,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:27:30,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:27:30,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:27:30,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:27:30,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:27:30,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:27:30,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 16:27:30,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:27:30,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:27:30,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:27:30,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:27:30,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:27:30,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:27:30,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:27:30,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:27:30,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:27:30,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:27:30,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:27:30,820 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 16:27:30,835 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:27:30,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:27:30,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:27:30,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:27:30,837 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:27:30,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:27:30,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:27:30,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:27:30,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:27:30,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:27:30,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:27:30,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:27:30,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:27:30,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:27:30,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:27:30,839 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:27:30,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:27:30,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:27:30,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:27:30,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:27:30,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:27:30,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:27:30,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:27:30,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:27:30,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:27:30,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:27:30,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:27:30,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:27:30,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:27:30,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:27:30,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:27:30,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:27:30,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:27:30,896 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:27:30,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 16:27:30,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d048464/35eb95842f0c4455ac9a9f867d821748/FLAG8251b5458 [2019-09-20 16:27:31,460 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:27:31,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 16:27:31,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d048464/35eb95842f0c4455ac9a9f867d821748/FLAG8251b5458 [2019-09-20 16:27:31,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41d048464/35eb95842f0c4455ac9a9f867d821748 [2019-09-20 16:27:31,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:27:31,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:27:31,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:31,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:27:31,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:27:31,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:31" (1/1) ... [2019-09-20 16:27:31,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbe00b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:31, skipping insertion in model container [2019-09-20 16:27:31,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:31" (1/1) ... [2019-09-20 16:27:31,830 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:27:31,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:27:32,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:32,033 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:27:32,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:32,075 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:27:32,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32 WrapperNode [2019-09-20 16:27:32,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:32,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:27:32,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:27:32,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:27:32,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32" (1/1) ... [2019-09-20 16:27:32,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32" (1/1) ... [2019-09-20 16:27:32,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32" (1/1) ... [2019-09-20 16:27:32,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32" (1/1) ... [2019-09-20 16:27:32,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32" (1/1) ... [2019-09-20 16:27:32,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32" (1/1) ... [2019-09-20 16:27:32,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32" (1/1) ... [2019-09-20 16:27:32,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:27:32,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:27:32,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:27:32,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:27:32,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:32" (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 16:27:32,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:27:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:27:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 16:27:32,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:27:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:27:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 16:27:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 16:27:32,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:27:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:27:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:27:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:27:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:27:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:27:32,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:27:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:27:32,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:27:32,598 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:27:32,598 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 16:27:32,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:32 BoogieIcfgContainer [2019-09-20 16:27:32,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:27:32,600 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:27:32,600 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:27:32,601 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:27:32,602 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:32" (1/1) ... [2019-09-20 16:27:32,603 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:27:32,629 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:27:32,630 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:27:32,636 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:27:32,644 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:27:32,646 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:27:32,823 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 26 for LOIs [2019-09-20 16:27:33,075 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-09-20 16:27:33,424 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-09-20 16:27:33,429 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 21 for LOIs [2019-09-20 16:27:33,457 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:27:33,458 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:27:33,460 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 44#(and (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)) [2019-09-20 16:27:33,472 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:27:33,472 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:27:33,474 INFO L168 Benchmark]: Toolchain (without parser) took 1661.66 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 84.8 MB in the beginning and 74.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:33,475 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 129.0 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:27:33,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.62 ms. Allocated memory is still 129.0 MB. Free memory was 84.6 MB in the beginning and 74.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:33,477 INFO L168 Benchmark]: Boogie Preprocessor took 134.89 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 74.7 MB in the beginning and 173.4 MB in the end (delta: -98.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:33,478 INFO L168 Benchmark]: RCFGBuilder took 388.74 ms. Allocated memory is still 197.7 MB. Free memory was 173.4 MB in the beginning and 156.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:33,479 INFO L168 Benchmark]: Sifa took 871.77 ms. Allocated memory is still 197.7 MB. Free memory was 156.3 MB in the beginning and 74.7 MB in the end (delta: 81.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:33,493 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 129.0 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.62 ms. Allocated memory is still 129.0 MB. Free memory was 84.6 MB in the beginning and 74.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.89 ms. Allocated memory was 129.0 MB in the beginning and 197.7 MB in the end (delta: 68.7 MB). Free memory was 74.7 MB in the beginning and 173.4 MB in the end (delta: -98.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.74 ms. Allocated memory is still 197.7 MB. Free memory was 173.4 MB in the beginning and 156.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Sifa took 871.77 ms. Allocated memory is still 197.7 MB. Free memory was 156.3 MB in the beginning and 74.7 MB in the end (delta: 81.6 MB). Peak memory consumption was 81.6 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]: 831, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 29, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 262, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 59, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME[ms]: 310, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 158, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 33, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 393, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 14, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 435, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 434, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 131, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 131, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 74, DAG_COMPRESSION_RETAINED_NODES: 38 - UnprovableResult [Line: 3]: 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 44#(and (<= ~MAX~0 100000) (<= ~SIZE~0 100000) (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 1 ~SIZE~0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 100000 ~MAX~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...