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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:44:00,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:44:00,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:44:00,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:44:00,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:44:00,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:44:00,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:44:00,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:44:00,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:44:00,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:44:00,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:44:00,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:44:00,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:44:00,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:44:00,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:44:00,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:44:00,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:44:00,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:44:00,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:44:00,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:44:00,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:44:00,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:44:00,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:44:00,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:44:00,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:44:00,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:44:00,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:44:00,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:44:00,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:44:00,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:44:00,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:44:00,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:44:00,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:44:00,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:44:00,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:44:00,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:44:00,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:44:00,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:44:00,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:44:00,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:44:00,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:44:00,139 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 15:44:00,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:44:00,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:44:00,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:44:00,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:44:00,166 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:44:00,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:44:00,167 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:44:00,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:44:00,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:44:00,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:44:00,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:44:00,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:44:00,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:44:00,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:44:00,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:44:00,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:44:00,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:44:00,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:44:00,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:44:00,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:44:00,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:44:00,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:44:00,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:44:00,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:44:00,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:44:00,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:44:00,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:44:00,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:44:00,173 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 -> 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_QUICK [2019-09-20 15:44:00,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:44:00,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:44:00,258 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:44:00,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:44:00,260 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:44:00,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 15:44:00,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5dcb3fb/e22b949d557743899f30485a529b67ca/FLAGe7abbf5bd [2019-09-20 15:44:00,785 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:44:00,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 15:44:00,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5dcb3fb/e22b949d557743899f30485a529b67ca/FLAGe7abbf5bd [2019-09-20 15:44:01,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5dcb3fb/e22b949d557743899f30485a529b67ca [2019-09-20 15:44:01,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:44:01,161 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:44:01,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:44:01,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:44:01,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:44:01,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b02fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01, skipping insertion in model container [2019-09-20 15:44:01,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,177 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:44:01,197 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:44:01,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:44:01,380 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:44:01,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:44:01,415 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:44:01,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01 WrapperNode [2019-09-20 15:44:01,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:44:01,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:44:01,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:44:01,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:44:01,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:44:01,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:44:01,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:44:01,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:44:01,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:01" (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 15:44:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:44:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:44:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 15:44:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:44:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:44:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 15:44:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:44:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:44:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:44:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:44:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:44:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:44:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:44:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:44:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:44:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:44:01,914 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:44:01,914 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 15:44:01,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:44:01 BoogieIcfgContainer [2019-09-20 15:44:01,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:44:01,916 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:44:01,916 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:44:01,917 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:44:01,918 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:44:01" (1/1) ... [2019-09-20 15:44:01,918 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:44:01,939 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:44:01,939 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:44:01,947 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:44:01,955 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:44:01,957 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:44:02,130 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-20 15:44:02,659 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 for LOIs [2019-09-20 15:44:02,665 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:44:02,665 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:44:02,668 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 74#(and (exists ((v_main_~a~0.offset_BEFORE_CALL_5 Int) (v_main_~a~0.base_BEFORE_CALL_5 Int) (v_main_~i~0_BEFORE_CALL_5 Int)) (or (and (< v_main_~i~0_BEFORE_CALL_5 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_5 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_5) (+ v_main_~a~0.offset_BEFORE_CALL_5 (* 4 v_main_~i~0_BEFORE_CALL_5)))) (= |__VERIFIER_assert_#in~cond| 1)) (and (< v_main_~i~0_BEFORE_CALL_5 ~SIZE~0) (= |__VERIFIER_assert_#in~cond| 0) (not (<= v_main_~i~0_BEFORE_CALL_5 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_5) (+ v_main_~a~0.offset_BEFORE_CALL_5 (* 4 v_main_~i~0_BEFORE_CALL_5)))))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 15:44:02,691 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:44:02,691 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:44:02,694 INFO L168 Benchmark]: Toolchain (without parser) took 1532.56 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 120.3 MB in the end (delta: -30.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:02,696 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:44:02,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.50 ms. Allocated memory is still 133.2 MB. Free memory was 89.0 MB in the beginning and 79.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:02,699 INFO L168 Benchmark]: Boogie Preprocessor took 135.09 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.2 MB in the beginning and 175.6 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:02,706 INFO L168 Benchmark]: RCFGBuilder took 363.97 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 159.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:02,707 INFO L168 Benchmark]: Sifa took 775.13 ms. Allocated memory is still 199.8 MB. Free memory was 158.7 MB in the beginning and 120.3 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:02,713 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 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.50 ms. Allocated memory is still 133.2 MB. Free memory was 89.0 MB in the beginning and 79.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.09 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.2 MB in the beginning and 175.6 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.97 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 159.3 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Sifa took 775.13 ms. Allocated memory is still 199.8 MB. Free memory was 158.7 MB in the beginning and 120.3 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 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]: 729, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 192, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 103, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 36, TOOLS_QUANTIFIERELIM_TIME[ms]: 276, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 102, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 39, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 139, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 156, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 468, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 467, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 126, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 125, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 15, 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 74#(and (exists ((v_main_~a~0.offset_BEFORE_CALL_5 Int) (v_main_~a~0.base_BEFORE_CALL_5 Int) (v_main_~i~0_BEFORE_CALL_5 Int)) (or (and (< v_main_~i~0_BEFORE_CALL_5 ~SIZE~0) (<= v_main_~i~0_BEFORE_CALL_5 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_5) (+ v_main_~a~0.offset_BEFORE_CALL_5 (* 4 v_main_~i~0_BEFORE_CALL_5)))) (= |__VERIFIER_assert_#in~cond| 1)) (and (< v_main_~i~0_BEFORE_CALL_5 ~SIZE~0) (= |__VERIFIER_assert_#in~cond| 0) (not (<= v_main_~i~0_BEFORE_CALL_5 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_5) (+ v_main_~a~0.offset_BEFORE_CALL_5 (* 4 v_main_~i~0_BEFORE_CALL_5)))))))) (= 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...