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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:17:38,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:17:38,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:17:38,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:17:38,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:17:38,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:17:38,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:17:38,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:17:38,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:17:38,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:17:38,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:17:38,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:17:38,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:17:38,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:17:38,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:17:38,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:17:38,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:17:38,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:17:38,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:17:38,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:17:38,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:17:38,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:17:38,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:17:38,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:17:38,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:17:38,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:17:38,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:17:38,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:17:38,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:17:38,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:17:38,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:17:38,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:17:38,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:17:38,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:17:38,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:17:38,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:17:38,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:17:38,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:17:38,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:17:38,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:17:38,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:17:38,799 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 23:17:38,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:17:38,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:17:38,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:17:38,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:17:38,815 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:17:38,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:17:38,815 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:17:38,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:17:38,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:17:38,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:17:38,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:17:38,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:17:38,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:17:38,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:17:38,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:17:38,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:17:38,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:17:38,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:17:38,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:17:38,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:17:38,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:17:38,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:17:38,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:17:38,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:17:38,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:17:38,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:17:38,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:17:38,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:17:38,820 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:17:38,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:17:38,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:17:38,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:17:38,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:17:38,875 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:17:38,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 23:17:38,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256308008/1511f8843d76483c9818f111f91ae703/FLAG89194e74f [2019-09-20 23:17:39,434 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:17:39,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rewnifrev2.c [2019-09-20 23:17:39,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256308008/1511f8843d76483c9818f111f91ae703/FLAG89194e74f [2019-09-20 23:17:39,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256308008/1511f8843d76483c9818f111f91ae703 [2019-09-20 23:17:39,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:17:39,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:17:39,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:39,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:17:39,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:17:39,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:39" (1/1) ... [2019-09-20 23:17:39,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65342265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:39, skipping insertion in model container [2019-09-20 23:17:39,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:39" (1/1) ... [2019-09-20 23:17:39,871 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:17:39,886 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:17:40,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:40,098 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:17:40,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:40,133 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:17:40,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40 WrapperNode [2019-09-20 23:17:40,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:40,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:17:40,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:17:40,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:17:40,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40" (1/1) ... [2019-09-20 23:17:40,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40" (1/1) ... [2019-09-20 23:17:40,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40" (1/1) ... [2019-09-20 23:17:40,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40" (1/1) ... [2019-09-20 23:17:40,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40" (1/1) ... [2019-09-20 23:17:40,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40" (1/1) ... [2019-09-20 23:17:40,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40" (1/1) ... [2019-09-20 23:17:40,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:17:40,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:17:40,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:17:40,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:17:40,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:40" (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 23:17:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:17:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:17:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 23:17:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:17:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:17:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:17:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:17:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:17:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:17:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:17:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:17:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:17:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:17:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:17:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:17:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:17:40,602 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:17:40,602 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 23:17:40,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:17:40 BoogieIcfgContainer [2019-09-20 23:17:40,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:17:40,605 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:17:40,605 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:17:40,605 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:17:40,606 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:17:40" (1/1) ... [2019-09-20 23:17:40,607 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:17:40,634 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:17:40,634 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:17:40,642 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:17:40,656 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:17:40,663 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:17:40,852 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-20 23:17:41,055 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-20 23:17:41,463 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2019-09-20 23:17:41,616 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 23:17:42,136 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 23:17:42,419 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 23:17:43,065 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 80 [2019-09-20 23:17:43,830 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 23:17:43,884 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 for LOIs [2019-09-20 23:17:43,902 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:17:43,902 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:17:43,904 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 23:17:43,922 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:17:43,922 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:17:43,924 INFO L168 Benchmark]: Toolchain (without parser) took 4069.11 ms. Allocated memory was 133.7 MB in the beginning and 257.9 MB in the end (delta: 124.3 MB). Free memory was 89.3 MB in the beginning and 139.6 MB in the end (delta: -50.3 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:43,933 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:17:43,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.99 ms. Allocated memory is still 133.7 MB. Free memory was 89.1 MB in the beginning and 78.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:43,936 INFO L168 Benchmark]: Boogie Preprocessor took 119.40 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 78.7 MB in the beginning and 177.0 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:43,937 INFO L168 Benchmark]: RCFGBuilder took 350.49 ms. Allocated memory is still 200.8 MB. Free memory was 177.0 MB in the beginning and 160.0 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:43,938 INFO L168 Benchmark]: Sifa took 3317.27 ms. Allocated memory was 200.8 MB in the beginning and 257.9 MB in the end (delta: 57.1 MB). Free memory was 160.0 MB in the beginning and 139.6 MB in the end (delta: 20.4 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:43,944 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.99 ms. Allocated memory is still 133.7 MB. Free memory was 89.1 MB in the beginning and 78.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.40 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 78.7 MB in the beginning and 177.0 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 350.49 ms. Allocated memory is still 200.8 MB. Free memory was 177.0 MB in the beginning and 160.0 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. * Sifa took 3317.27 ms. Allocated memory was 200.8 MB in the beginning and 257.9 MB in the end (delta: 57.1 MB). Free memory was 160.0 MB in the beginning and 139.6 MB in the end (delta: 20.4 MB). Peak memory consumption was 77.6 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]: 3271, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 141, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 91, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 16, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 223, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 69, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 1410, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 1476, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2966, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2965, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 125, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 125, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 13, DAG_COMPRESSION_TIME[ms]: 22, 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...