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 NONE -i ../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:05:27,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:05:27,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:05:27,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:05:27,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:05:27,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:05:27,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:05:27,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:05:27,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:05:27,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:05:27,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:05:27,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:05:27,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:05:27,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:05:27,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:05:27,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:05:27,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:05:27,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:05:27,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:05:27,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:05:27,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:05:27,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:05:27,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:05:27,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:05:27,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:05:27,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:05:27,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:05:27,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:05:27,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:05:27,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:05:27,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:05:27,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:05:27,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:05:27,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:05:27,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:05:27,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:05:27,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:05:27,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:05:27,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:05:27,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:05:27,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:05:27,817 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 15:05:27,844 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:05:27,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:05:27,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:05:27,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:05:27,846 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:05:27,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:05:27,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:05:27,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:05:27,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:05:27,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:05:27,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:05:27,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:05:27,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:05:27,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:05:27,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:05:27,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:05:27,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:05:27,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:05:27,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:05:27,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:05:27,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:05:27,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:05:27,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:05:27,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:05:27,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:05:27,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:05:27,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:05:27,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:05:27,853 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 -> NONE [2019-09-20 15:05:27,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:05:27,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:05:27,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:05:27,909 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:05:27,909 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:05:27,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 15:05:27,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbefef65/121edbe4e9a249d98bdeb8ed85a0aae6/FLAGd5b39bb06 [2019-09-20 15:05:28,409 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:05:28,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 15:05:28,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbefef65/121edbe4e9a249d98bdeb8ed85a0aae6/FLAGd5b39bb06 [2019-09-20 15:05:28,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbefef65/121edbe4e9a249d98bdeb8ed85a0aae6 [2019-09-20 15:05:28,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:05:28,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:05:28,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:05:28,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:05:28,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:05:28,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:05:28" (1/1) ... [2019-09-20 15:05:28,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5589eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:28, skipping insertion in model container [2019-09-20 15:05:28,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:05:28" (1/1) ... [2019-09-20 15:05:28,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:05:28,861 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:05:29,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:05:29,031 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:05:29,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:05:29,067 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:05:29,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29 WrapperNode [2019-09-20 15:05:29,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:05:29,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:05:29,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:05:29,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:05:29,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29" (1/1) ... [2019-09-20 15:05:29,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29" (1/1) ... [2019-09-20 15:05:29,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29" (1/1) ... [2019-09-20 15:05:29,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29" (1/1) ... [2019-09-20 15:05:29,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29" (1/1) ... [2019-09-20 15:05:29,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29" (1/1) ... [2019-09-20 15:05:29,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29" (1/1) ... [2019-09-20 15:05:29,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:05:29,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:05:29,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:05:29,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:05:29,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:29" (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 15:05:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:05:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:05:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 15:05:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:05:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:05:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 15:05:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:05:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:05:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:05:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:05:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:05:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:05:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:05:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:05:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:05:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:05:29,581 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:05:29,582 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 15:05:29,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:05:29 BoogieIcfgContainer [2019-09-20 15:05:29,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:05:29,584 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:05:29,584 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:05:29,584 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:05:29,586 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:05:29" (1/1) ... [2019-09-20 15:05:29,586 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:05:29,616 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:05:29,616 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:05:29,624 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:05:29,638 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:05:29,640 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:05:29,776 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-20 15:05:29,996 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 36 for LOIs [2019-09-20 15:05:29,998 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:05:29,998 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:05:30,001 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 74#(and (exists ((v_prenex_12 Int) (v_prenex_11 Int) (v_main_~a~0.offset_BEFORE_CALL_5 Int) (v_prenex_10 Int) (v_main_~i~0_BEFORE_CALL_5 Int) (v_main_~a~0.base_BEFORE_CALL_5 Int) (v_prenex_9 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_5) v_main_~a~0.offset_BEFORE_CALL_5))) (< 0 ~SIZE~0)) (and (< v_main_~i~0_BEFORE_CALL_5 ~SIZE~0) (= |__VERIFIER_assert_#in~cond| 1) (<= v_main_~i~0_BEFORE_CALL_5 (select (select |#memory_int| v_prenex_12) (+ v_prenex_11 (* 4 v_main_~i~0_BEFORE_CALL_5))))) (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_prenex_12) (+ v_prenex_11 (* 4 v_main_~i~0_BEFORE_CALL_5)))))) (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 (select (select |#memory_int| v_prenex_10) v_prenex_9)) (< 0 ~SIZE~0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 15:05:30,018 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:05:30,018 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:05:30,021 INFO L168 Benchmark]: Toolchain (without parser) took 1190.82 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 91.8 MB in the beginning and 139.9 MB in the end (delta: -48.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:30,022 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:05:30,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.39 ms. Allocated memory is still 137.4 MB. Free memory was 91.6 MB in the beginning and 81.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:30,025 INFO L168 Benchmark]: Boogie Preprocessor took 138.71 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 81.2 MB in the beginning and 176.4 MB in the end (delta: -95.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:30,026 INFO L168 Benchmark]: RCFGBuilder took 375.81 ms. Allocated memory is still 200.3 MB. Free memory was 176.4 MB in the beginning and 159.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:30,027 INFO L168 Benchmark]: Sifa took 434.60 ms. Allocated memory is still 200.3 MB. Free memory was 159.7 MB in the beginning and 139.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:30,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.39 ms. Allocated memory is still 137.4 MB. Free memory was 91.6 MB in the beginning and 81.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.71 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 81.2 MB in the beginning and 176.4 MB in the end (delta: -95.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.81 ms. Allocated memory is still 200.3 MB. Free memory was 176.4 MB in the beginning and 159.7 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Sifa took 434.60 ms. Allocated memory is still 200.3 MB. Free memory was 159.7 MB in the beginning and 139.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 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]: 388, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 33, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 152, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 89, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 12, TOOLS_QUANTIFIERELIM_APPLICATIONS: 36, TOOLS_QUANTIFIERELIM_TIME[ms]: 225, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 65, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 39, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 5, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 172, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 171, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 78, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 78, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 19, 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_prenex_12 Int) (v_prenex_11 Int) (v_main_~a~0.offset_BEFORE_CALL_5 Int) (v_prenex_10 Int) (v_main_~i~0_BEFORE_CALL_5 Int) (v_main_~a~0.base_BEFORE_CALL_5 Int) (v_prenex_9 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (<= 0 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_5) v_main_~a~0.offset_BEFORE_CALL_5))) (< 0 ~SIZE~0)) (and (< v_main_~i~0_BEFORE_CALL_5 ~SIZE~0) (= |__VERIFIER_assert_#in~cond| 1) (<= v_main_~i~0_BEFORE_CALL_5 (select (select |#memory_int| v_prenex_12) (+ v_prenex_11 (* 4 v_main_~i~0_BEFORE_CALL_5))))) (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_prenex_12) (+ v_prenex_11 (* 4 v_main_~i~0_BEFORE_CALL_5)))))) (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 (select (select |#memory_int| v_prenex_10) v_prenex_9)) (< 0 ~SIZE~0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...