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-fea9116 [2019-09-20 14:06:39,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:06:39,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:06:39,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:06:39,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:06:39,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:06:39,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:06:39,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:06:39,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:06:39,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:06:39,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:06:39,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:06:39,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:06:39,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:06:39,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:06:39,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:06:39,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:06:39,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:06:39,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:06:39,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:06:39,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:06:39,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:06:39,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:06:39,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:06:39,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:06:39,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:06:39,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:06:39,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:06:39,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:06:39,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:06:39,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:06:39,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:06:39,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:06:39,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:06:39,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:06:39,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:06:39,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:06:39,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:06:39,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:06:39,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:06:39,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:06:39,521 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 14:06:39,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:06:39,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:06:39,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:06:39,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:06:39,538 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:06:39,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:06:39,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:06:39,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:06:39,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:06:39,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:06:39,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:06:39,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:06:39,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:06:39,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:06:39,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:06:39,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:06:39,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:06:39,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:06:39,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:06:39,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:06:39,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:06:39,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:06:39,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:06:39,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:06:39,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:06:39,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:06:39,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:06:39,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:06:39,543 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 [2019-09-20 14:06:39,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:06:39,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:06:39,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:06:39,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:06:39,592 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:06:39,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 14:06:39,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4287e43b7/aaeb7e3319f645bead4b7742ab6bd433/FLAGcb2101241 [2019-09-20 14:06:40,099 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:06:40,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 14:06:40,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4287e43b7/aaeb7e3319f645bead4b7742ab6bd433/FLAGcb2101241 [2019-09-20 14:06:40,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4287e43b7/aaeb7e3319f645bead4b7742ab6bd433 [2019-09-20 14:06:40,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:06:40,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:06:40,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:06:40,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:06:40,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:06:40,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adbfbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40, skipping insertion in model container [2019-09-20 14:06:40,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,531 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:06:40,547 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:06:40,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:06:40,734 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:06:40,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:06:40,767 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:06:40,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40 WrapperNode [2019-09-20 14:06:40,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:06:40,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:06:40,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:06:40,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:06:40,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40" (1/1) ... [2019-09-20 14:06:40,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:06:40,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:06:40,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:06:40,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:06:40,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:06:40" (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 14:06:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:06:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:06:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 14:06:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:06:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:06:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 14:06:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 14:06:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:06:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:06:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:06:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:06:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:06:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:06:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:06:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:06:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:06:41,308 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:06:41,308 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 14:06:41,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:06:41 BoogieIcfgContainer [2019-09-20 14:06:41,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:06:41,310 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:06:41,310 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:06:41,311 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:06:41,312 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:06:41" (1/1) ... [2019-09-20 14:06:41,312 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 14:06:41,335 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:06:41,335 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:06:41,343 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:06:41,352 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:06:41,353 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:06:41,526 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-20 14:06:41,711 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-20 14:06:42,141 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-20 14:06:42,301 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 14:06:42,794 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 14:06:43,018 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 14:06:43,745 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-20 14:06:44,493 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 14:06:44,549 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 for LOIs [2019-09-20 14:06:44,577 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:06:44,578 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:06:44,579 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)) [2019-09-20 14:06:44,603 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:06:44,603 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:06:44,605 INFO L168 Benchmark]: Toolchain (without parser) took 4092.19 ms. Allocated memory was 129.0 MB in the beginning and 279.4 MB in the end (delta: 150.5 MB). Free memory was 84.2 MB in the beginning and 169.6 MB in the end (delta: -85.3 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:06:44,606 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 129.0 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:06:44,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.60 ms. Allocated memory is still 129.0 MB. Free memory was 84.0 MB in the beginning and 74.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-20 14:06:44,608 INFO L168 Benchmark]: Boogie Preprocessor took 127.57 ms. Allocated memory was 129.0 MB in the beginning and 197.1 MB in the end (delta: 68.2 MB). Free memory was 74.1 MB in the beginning and 173.2 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:06:44,609 INFO L168 Benchmark]: RCFGBuilder took 413.51 ms. Allocated memory is still 197.1 MB. Free memory was 172.5 MB in the beginning and 155.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:06:44,610 INFO L168 Benchmark]: Sifa took 3293.07 ms. Allocated memory was 197.1 MB in the beginning and 279.4 MB in the end (delta: 82.3 MB). Free memory was 155.5 MB in the beginning and 169.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 68.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:06:44,619 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 129.0 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.60 ms. Allocated memory is still 129.0 MB. Free memory was 84.0 MB in the beginning and 74.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.57 ms. Allocated memory was 129.0 MB in the beginning and 197.1 MB in the end (delta: 68.2 MB). Free memory was 74.1 MB in the beginning and 173.2 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.51 ms. Allocated memory is still 197.1 MB. Free memory was 172.5 MB in the beginning and 155.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. * Sifa took 3293.07 ms. Allocated memory was 197.1 MB in the beginning and 279.4 MB in the end (delta: 82.3 MB). Free memory was 155.5 MB in the beginning and 169.6 MB in the end (delta: -14.1 MB). Peak memory consumption was 68.2 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]: 3245, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 138, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 90, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 213, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 73, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 1338, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1569, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2952, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2952, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 138, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 138, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, 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 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...