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/loops/nec40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:26:03,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:26:03,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:26:03,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:26:03,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:26:03,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:26:03,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:26:03,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:26:03,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:26:03,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:26:03,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:26:03,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:26:03,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:26:03,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:26:03,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:26:03,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:26:03,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:26:03,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:26:03,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:26:03,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:26:03,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:26:03,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:26:03,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:26:03,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:26:03,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:26:03,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:26:03,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:26:03,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:26:03,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:26:03,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:26:03,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:26:03,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:26:03,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:26:03,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:26:03,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:26:03,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:26:03,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:26:03,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:26:03,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:26:03,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:26:03,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:26:03,580 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 16:26:03,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:26:03,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:26:03,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:26:03,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:26:03,597 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:26:03,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:26:03,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:26:03,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:26:03,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:26:03,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:26:03,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:26:03,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:26:03,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:26:03,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:26:03,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:26:03,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:26:03,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:26:03,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:26:03,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:26:03,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:26:03,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:26:03,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:26:03,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:26:03,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:26:03,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:26:03,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:26:03,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:26:03,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:26:03,602 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 16:26:03,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:26:03,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:26:03,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:26:03,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:26:03,660 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:26:03,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/nec40.c [2019-09-20 16:26:03,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe755e69/cd1527b26d0e47ec8b86bba143d110dc/FLAGefa942642 [2019-09-20 16:26:04,233 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:26:04,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/nec40.c [2019-09-20 16:26:04,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe755e69/cd1527b26d0e47ec8b86bba143d110dc/FLAGefa942642 [2019-09-20 16:26:04,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe755e69/cd1527b26d0e47ec8b86bba143d110dc [2019-09-20 16:26:04,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:26:04,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:26:04,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:26:04,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:26:04,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:26:04,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:26:04" (1/1) ... [2019-09-20 16:26:04,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69fcc4fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:04, skipping insertion in model container [2019-09-20 16:26:04,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:26:04" (1/1) ... [2019-09-20 16:26:04,622 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:26:04,640 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:26:04,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:26:04,947 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:26:04,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:26:05,169 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:26:05,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05 WrapperNode [2019-09-20 16:26:05,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:26:05,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:26:05,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:26:05,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:26:05,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05" (1/1) ... [2019-09-20 16:26:05,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05" (1/1) ... [2019-09-20 16:26:05,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05" (1/1) ... [2019-09-20 16:26:05,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05" (1/1) ... [2019-09-20 16:26:05,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05" (1/1) ... [2019-09-20 16:26:05,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05" (1/1) ... [2019-09-20 16:26:05,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05" (1/1) ... [2019-09-20 16:26:05,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:26:05,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:26:05,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:26:05,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:26:05,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:26:05" (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 16:26:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:26:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:26:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 16:26:05,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:26:05,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:26:05,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 16:26:05,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:26:05,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:26:05,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:26:05,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:26:05,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:26:05,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:26:05,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:26:05,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:26:05,644 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:26:05,644 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 16:26:05,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:26:05 BoogieIcfgContainer [2019-09-20 16:26:05,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:26:05,646 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:26:05,646 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:26:05,647 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:26:05,648 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:26:05" (1/1) ... [2019-09-20 16:26:05,648 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 16:26:05,671 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:26:05,672 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:26:05,679 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:26:05,688 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:26:05,689 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:26:05,948 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-20 16:26:06,144 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-20 16:26:06,308 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-09-20 16:26:06,735 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2019-09-20 16:26:06,780 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:26:06,781 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:26:06,783 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 27#(and (<= |#NULL.base| 0) (<= 0 |~#x~0.offset|) (<= |~#y~0.offset| 0) (<= 0 |#NULL.base|) (<= |~#x~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |~#y~0.offset|) (<= __VERIFIER_assert_~cond 0) (<= ~j~0 0) (<= ~k~0 2147483647) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 ~j~0) (<= 0 ~i~0) (<= 0 ~k~0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-20 16:26:06,795 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:26:06,796 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:26:06,798 INFO L168 Benchmark]: Toolchain (without parser) took 2190.89 ms. Allocated memory was 140.0 MB in the beginning and 228.6 MB in the end (delta: 88.6 MB). Free memory was 87.3 MB in the beginning and 185.7 MB in the end (delta: -98.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:26:06,798 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:26:06,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.11 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 87.1 MB in the beginning and 182.4 MB in the end (delta: -95.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:06,800 INFO L168 Benchmark]: Boogie Preprocessor took 64.15 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 179.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:06,801 INFO L168 Benchmark]: RCFGBuilder took 410.40 ms. Allocated memory is still 203.9 MB. Free memory was 179.8 MB in the beginning and 164.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:06,802 INFO L168 Benchmark]: Sifa took 1149.53 ms. Allocated memory was 203.9 MB in the beginning and 228.6 MB in the end (delta: 24.6 MB). Free memory was 164.3 MB in the beginning and 185.7 MB in the end (delta: -21.4 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-20 16:26:06,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 563.11 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 87.1 MB in the beginning and 182.4 MB in the end (delta: -95.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.15 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 179.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 410.40 ms. Allocated memory is still 203.9 MB. Free memory was 179.8 MB in the beginning and 164.3 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * Sifa took 1149.53 ms. Allocated memory was 203.9 MB in the beginning and 228.6 MB in the end (delta: 24.6 MB). Free memory was 164.3 MB in the beginning and 185.7 MB in the end (delta: -21.4 MB). Peak memory consumption was 3.2 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]: 1112, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 19, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 686, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 19, TOOLS_QUANTIFIERELIM_TIME[ms]: 703, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 483, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 286, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 272, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 271, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 552, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 551, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 78, DAG_COMPRESSION_RETAINED_NODES: 42 - 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 27#(and (<= |#NULL.base| 0) (<= 0 |~#x~0.offset|) (<= |~#y~0.offset| 0) (<= 0 |#NULL.base|) (<= |~#x~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |~#y~0.offset|) (<= __VERIFIER_assert_~cond 0) (<= ~j~0 0) (<= ~k~0 2147483647) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 ~j~0) (<= 0 ~i~0) (<= 0 ~k~0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...