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_DDA -i ../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:51:05,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:51:05,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:51:05,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:51:05,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:51:05,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:51:05,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:51:05,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:51:05,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:51:05,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:51:05,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:51:05,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:51:05,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:51:05,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:51:05,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:51:05,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:51:05,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:51:05,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:51:05,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:51:05,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:51:05,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:51:05,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:51:05,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:51:05,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:51:05,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:51:05,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:51:05,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:51:05,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:51:05,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:51:05,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:51:05,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:51:05,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:51:05,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:51:05,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:51:05,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:51:05,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:51:05,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:51:05,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:51:05,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:51:05,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:51:05,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:51:05,801 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 [2019-09-16 17:51:05,829 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:51:05,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:51:05,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 17:51:05,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 17:51:05,832 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 17:51:05,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:51:05,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:51:05,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 17:51:05,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:51:05,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:51:05,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:51:05,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:51:05,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:51:05,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:51:05,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:51:05,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 17:51:05,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:51:05,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:51:05,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:51:05,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 17:51:05,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 17:51:05,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:51:05,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:51:05,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:51:05,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 17:51:05,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 17:51:05,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:51:05,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 17:51:05,838 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_DDA [2019-09-16 17:51:05,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:51:05,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:51:05,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:51:05,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:51:05,915 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:51:05,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-16 17:51:05,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e25168e/87766fa2e4a04ab2b4fab06fbffdf09b/FLAG22086d28c [2019-09-16 17:51:06,438 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:51:06,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-16 17:51:06,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e25168e/87766fa2e4a04ab2b4fab06fbffdf09b/FLAG22086d28c [2019-09-16 17:51:06,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69e25168e/87766fa2e4a04ab2b4fab06fbffdf09b [2019-09-16 17:51:06,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:51:06,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:51:06,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:51:06,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:51:06,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:51:06,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:51:06" (1/1) ... [2019-09-16 17:51:06,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3e828a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:06, skipping insertion in model container [2019-09-16 17:51:06,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:51:06" (1/1) ... [2019-09-16 17:51:06,857 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:51:06,873 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:51:07,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:51:07,069 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:51:07,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:51:07,096 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:51:07,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07 WrapperNode [2019-09-16 17:51:07,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:51:07,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:51:07,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:51:07,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:51:07,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07" (1/1) ... [2019-09-16 17:51:07,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07" (1/1) ... [2019-09-16 17:51:07,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07" (1/1) ... [2019-09-16 17:51:07,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07" (1/1) ... [2019-09-16 17:51:07,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07" (1/1) ... [2019-09-16 17:51:07,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07" (1/1) ... [2019-09-16 17:51:07,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07" (1/1) ... [2019-09-16 17:51:07,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:51:07,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:51:07,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:51:07,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:51:07,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:51:07" (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 [2019-09-16 17:51:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:51:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:51:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:51:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:51:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:51:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:51:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:51:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:51:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:51:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:51:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:51:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:51:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:51:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:51:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:51:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:51:07,584 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:51:07,585 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-16 17:51:07,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:51:07 BoogieIcfgContainer [2019-09-16 17:51:07,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:51:07,587 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 17:51:07,587 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 17:51:07,587 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 17:51:07,591 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:51:07" (1/1) ... [2019-09-16 17:51:07,592 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 [2019-09-16 17:51:07,620 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 17:51:07,621 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 17:51:07,633 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 17:51:07,641 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 17:51:07,642 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 17:51:07,813 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-16 17:51:08,000 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-16 17:51:08,415 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-16 17:51:08,567 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-16 17:51:09,066 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-16 17:51:09,352 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-16 17:51:10,008 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-16 17:51:10,714 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-16 17:51:10,766 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 for LOIs [2019-09-16 17:51:10,785 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 17:51:10,785 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 17:51:10,787 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 82#(and (exists ((v_main_~i~0_BEFORE_CALL_6 Int) (v_main_~a~0.offset_BEFORE_CALL_6 Int) (v_main_~a~0.base_BEFORE_CALL_6 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= v_main_~i~0_BEFORE_CALL_6 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_6) (+ (* 4 v_main_~i~0_BEFORE_CALL_6) v_main_~a~0.offset_BEFORE_CALL_6))) (< v_main_~i~0_BEFORE_CALL_6 ~SIZE~0)) (and (not (<= v_main_~i~0_BEFORE_CALL_6 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_6) (+ (* 4 v_main_~i~0_BEFORE_CALL_6) v_main_~a~0.offset_BEFORE_CALL_6)))) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_6 ~SIZE~0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-16 17:51:10,798 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 17:51:10,798 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 17:51:10,800 INFO L168 Benchmark]: Toolchain (without parser) took 3959.25 ms. Allocated memory was 131.1 MB in the beginning and 269.5 MB in the end (delta: 138.4 MB). Free memory was 86.8 MB in the beginning and 163.1 MB in the end (delta: -76.3 MB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:51:10,801 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:51:10,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.46 ms. Allocated memory is still 131.1 MB. Free memory was 86.6 MB in the beginning and 76.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:51:10,803 INFO L168 Benchmark]: Boogie Preprocessor took 124.88 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 76.4 MB in the beginning and 173.8 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:51:10,804 INFO L168 Benchmark]: RCFGBuilder took 363.85 ms. Allocated memory is still 198.2 MB. Free memory was 173.8 MB in the beginning and 157.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:51:10,805 INFO L168 Benchmark]: Sifa took 3211.48 ms. Allocated memory was 198.2 MB in the beginning and 269.5 MB in the end (delta: 71.3 MB). Free memory was 157.1 MB in the beginning and 163.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 65.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:51:10,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.46 ms. Allocated memory is still 131.1 MB. Free memory was 86.6 MB in the beginning and 76.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.88 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 76.4 MB in the beginning and 173.8 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.85 ms. Allocated memory is still 198.2 MB. Free memory was 173.8 MB in the beginning and 157.1 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Sifa took 3211.48 ms. Allocated memory was 198.2 MB in the beginning and 269.5 MB in the end (delta: 71.3 MB). Free memory was 157.1 MB in the beginning and 163.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 65.3 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]: 3167, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 143, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 85, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 12, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 214, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 79, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 1363, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1471, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2889, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2888, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 142, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 141, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 13, 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 82#(and (exists ((v_main_~i~0_BEFORE_CALL_6 Int) (v_main_~a~0.offset_BEFORE_CALL_6 Int) (v_main_~a~0.base_BEFORE_CALL_6 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= v_main_~i~0_BEFORE_CALL_6 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_6) (+ (* 4 v_main_~i~0_BEFORE_CALL_6) v_main_~a~0.offset_BEFORE_CALL_6))) (< v_main_~i~0_BEFORE_CALL_6 ~SIZE~0)) (and (not (<= v_main_~i~0_BEFORE_CALL_6 (select (select |#memory_int| v_main_~a~0.base_BEFORE_CALL_6) (+ (* 4 v_main_~i~0_BEFORE_CALL_6) v_main_~a~0.offset_BEFORE_CALL_6)))) (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~i~0_BEFORE_CALL_6 ~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...