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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:27:18,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:27:18,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:27:18,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:27:18,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:27:18,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:27:18,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:27:18,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:27:18,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:27:18,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:27:18,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:27:18,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:27:18,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:27:18,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:27:18,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:27:18,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:27:18,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:27:18,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:27:18,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:27:18,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:27:18,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:27:18,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:27:18,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:27:18,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:27:18,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 19:27:18,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:27:18,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:27:18,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:27:18,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:27:18,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:27:18,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:27:18,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:27:18,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:27:18,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:27:18,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:27:18,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:27:18,402 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 19:27:18,416 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:27:18,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:27:18,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:27:18,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:27:18,418 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:27:18,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:27:18,418 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:27:18,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:27:18,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:27:18,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:27:18,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:27:18,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:27:18,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:27:18,420 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:27:18,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:27:18,420 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:27:18,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:27:18,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:27:18,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:27:18,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:27:18,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:27:18,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:27:18,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:27:18,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:27:18,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:27:18,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:27:18,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:27:18,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:27:18,422 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 -> SingleStatement 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 19:27:18,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:27:18,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:27:18,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:27:18,469 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:27:18,469 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:27:18,470 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-20 19:27:18,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9239c61bd/6c1729b964b14c0ab3a9285c10ec8c76/FLAG590024af7 [2019-09-20 19:27:18,896 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:27:18,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-20 19:27:18,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9239c61bd/6c1729b964b14c0ab3a9285c10ec8c76/FLAG590024af7 [2019-09-20 19:27:19,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9239c61bd/6c1729b964b14c0ab3a9285c10ec8c76 [2019-09-20 19:27:19,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:27:19,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:27:19,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:19,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:27:19,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:27:19,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1830eaf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19, skipping insertion in model container [2019-09-20 19:27:19,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,309 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:27:19,327 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:27:19,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:19,587 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:27:19,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:19,740 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:27:19,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19 WrapperNode [2019-09-20 19:27:19,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:19,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:27:19,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:27:19,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:27:19,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:27:19,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:27:19,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:27:19,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:27:19,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:19" (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 19:27:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:27:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:27:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 19:27:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 19:27:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 19:27:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:27:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:27:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:27:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 19:27:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 19:27:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:27:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 19:27:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 19:27:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:27:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:27:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:27:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:27:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:27:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:27:20,204 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:27:20,205 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 19:27:20,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:20 BoogieIcfgContainer [2019-09-20 19:27:20,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:27:20,206 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:27:20,206 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:27:20,207 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:27:20,207 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:20" (1/1) ... [2019-09-20 19:27:20,208 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:27:20,228 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:27:20,228 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:27:20,236 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:27:20,243 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:27:20,244 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:27:20,862 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 39 for LOIs [2019-09-20 19:27:21,593 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:21,714 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:21,723 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:21,730 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:21,737 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:21,747 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:22,391 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-20 19:27:23,114 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-20 19:27:23,432 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 19:27:24,120 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-09-20 19:27:24,443 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 19:27:25,192 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2019-09-20 19:27:25,520 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 19:27:25,878 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 19:27:26,004 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:26,174 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2019-09-20 19:27:26,226 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:27:26,226 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:27:26,228 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 135#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (not (= (select (select |#memory_int| main_~pd2~0.base) (+ main_~pd2~0.offset (* 4 main_~i~0) 8)) main_~i~0))) [2019-09-20 19:27:26,242 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:27:26,242 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:27:26,244 INFO L168 Benchmark]: Toolchain (without parser) took 6948.91 ms. Allocated memory was 140.5 MB in the beginning and 306.7 MB in the end (delta: 166.2 MB). Free memory was 87.7 MB in the beginning and 132.2 MB in the end (delta: -44.5 MB). Peak memory consumption was 121.7 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:26,245 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:27:26,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.29 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.5 MB in the beginning and 178.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:26,246 INFO L168 Benchmark]: Boogie Preprocessor took 37.31 ms. Allocated memory is still 200.3 MB. Free memory was 178.1 MB in the beginning and 175.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:26,247 INFO L168 Benchmark]: RCFGBuilder took 426.96 ms. Allocated memory is still 200.3 MB. Free memory was 175.8 MB in the beginning and 155.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:26,248 INFO L168 Benchmark]: Sifa took 6035.97 ms. Allocated memory was 200.3 MB in the beginning and 306.7 MB in the end (delta: 106.4 MB). Free memory was 155.0 MB in the beginning and 132.2 MB in the end (delta: 22.8 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:26,251 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 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 445.29 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.5 MB in the beginning and 178.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.31 ms. Allocated memory is still 200.3 MB. Free memory was 178.1 MB in the beginning and 175.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 426.96 ms. Allocated memory is still 200.3 MB. Free memory was 175.8 MB in the beginning and 155.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Sifa took 6035.97 ms. Allocated memory was 200.3 MB in the beginning and 306.7 MB in the end (delta: 106.4 MB). Free memory was 155.0 MB in the beginning and 132.2 MB in the end (delta: 22.8 MB). Peak memory consumption was 129.2 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]: 6001, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 96, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 85, TOOLS_POST_TIME[ms]: 1756, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 210, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 100, TOOLS_QUANTIFIERELIM_TIME[ms]: 1941, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 823, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 99, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 2544, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1364, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 10, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3485, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3484, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1117, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1117, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 261, DAG_COMPRESSION_RETAINED_NODES: 105 - UnprovableResult [Line: 50]: 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 135#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (not (= (select (select |#memory_int| main_~pd2~0.base) (+ main_~pd2~0.offset (* 4 main_~i~0) 8)) main_~i~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...