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 IntervalDomain -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 11:14:53,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 11:14:53,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 11:14:53,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 11:14:53,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 11:14:53,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 11:14:53,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 11:14:53,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 11:14:53,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 11:14:53,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 11:14:53,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 11:14:53,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 11:14:53,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 11:14:53,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 11:14:53,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 11:14:53,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 11:14:53,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 11:14:53,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 11:14:53,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 11:14:53,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 11:14:53,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 11:14:53,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 11:14:53,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 11:14:53,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 11:14:53,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 11:14:53,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 11:14:53,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 11:14:53,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 11:14:53,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 11:14:53,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 11:14:53,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 11:14:53,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 11:14:53,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 11:14:53,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 11:14:53,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 11:14:53,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 11:14:53,164 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 [2019-09-05 11:14:53,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 11:14:53,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 11:14:53,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 11:14:53,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 11:14:53,194 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 11:14:53,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 11:14:53,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 11:14:53,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 11:14:53,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 11:14:53,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 11:14:53,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 11:14:53,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 11:14:53,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 11:14:53,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 11:14:53,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 11:14:53,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 11:14:53,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 11:14:53,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 11:14:53,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 11:14:53,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 11:14:53,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 11:14:53,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:14:53,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 11:14:53,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 11:14:53,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 11:14:53,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 11:14:53,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 11:14:53,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 11:14:53,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 11:14:53,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 11:14:53,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 11:14:53,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 11:14:53,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 11:14:53,275 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 11:14:53,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-09-05 11:14:53,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33aeeca71/08d1ab274c824608ad6ab68fb8618a9e/FLAG11e701cbe [2019-09-05 11:14:53,804 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 11:14:53,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-09-05 11:14:53,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33aeeca71/08d1ab274c824608ad6ab68fb8618a9e/FLAG11e701cbe [2019-09-05 11:14:54,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33aeeca71/08d1ab274c824608ad6ab68fb8618a9e [2019-09-05 11:14:54,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 11:14:54,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 11:14:54,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 11:14:54,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 11:14:54,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 11:14:54,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e56c554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54, skipping insertion in model container [2019-09-05 11:14:54,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,256 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 11:14:54,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 11:14:54,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:14:54,578 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 11:14:54,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:14:54,802 INFO L192 MainTranslator]: Completed translation [2019-09-05 11:14:54,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54 WrapperNode [2019-09-05 11:14:54,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 11:14:54,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 11:14:54,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 11:14:54,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 11:14:54,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54" (1/1) ... [2019-09-05 11:14:54,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 11:14:54,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 11:14:54,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 11:14:54,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 11:14:54,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:54" (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 [2019-09-05 11:14:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 11:14:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 11:14:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 11:14:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 11:14:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 11:14:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 11:14:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-05 11:14:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 11:14:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-05 11:14:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 11:14:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 11:14:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 11:14:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 11:14:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 11:14:55,185 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 11:14:55,186 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-05 11:14:55,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:14:55 BoogieIcfgContainer [2019-09-05 11:14:55,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 11:14:55,189 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 11:14:55,189 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 11:14:55,190 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 11:14:55,191 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:14:55" (1/1) ... [2019-09-05 11:14:55,192 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 11:14:55,221 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-05 11:14:55,221 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 11:14:55,229 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 11:14:55,241 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 11:14:55,242 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 11:14:55,328 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-05 11:14:58,589 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 11:14:58,589 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 11:14:58,592 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 151#false [2019-09-05 11:14:58,592 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 149#(or (and (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= main_~__VERIFIER_assert__cond~2 0) (<= ~__return_136~0 0) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= 0 |#NULL.base|) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= main_~__tmp_1~0 1) (<= 0 |old(~__tmp_155_0~0)|) (<= ~__tmp_155_0~0 1) (<= main_~__tmp_3~0 0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0)) (and (<= 0 |main_~#main__array~0.offset|) (<= main_~main__loop_entered~0 0) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 main_~main__loop_entered~0) (<= 0 |#NULL.base|) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_main~0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (<= main_~__tmp_3~0 0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (<= |old(~__tmp_155_0~0)| 0))) [2019-09-05 11:14:58,593 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 92#(and (<= main_~main____CPAchecker_TMP_0~1 0) (<= ~__return_136~0 0) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= 0 |#NULL.base|) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~__VERIFIER_assert__cond~1) (<= 0 |old(~__tmp_155_0~0)|) (<= ~__tmp_155_0~0 1) (<= main_~__tmp_2~0 0) (<= 0 main_~__tmp_2~0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= main_~__VERIFIER_assert__cond~1 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0)) [2019-09-05 11:14:58,608 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 11:14:58,608 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 11:14:58,611 INFO L168 Benchmark]: Toolchain (without parser) took 4367.89 ms. Allocated memory was 137.9 MB in the beginning and 221.2 MB in the end (delta: 83.4 MB). Free memory was 85.6 MB in the beginning and 191.9 MB in the end (delta: -106.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 11:14:58,612 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 11:14:58,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.06 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 85.4 MB in the beginning and 177.3 MB in the end (delta: -91.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:58,614 INFO L168 Benchmark]: Boogie Preprocessor took 34.74 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 175.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:58,615 INFO L168 Benchmark]: RCFGBuilder took 349.80 ms. Allocated memory is still 200.3 MB. Free memory was 174.5 MB in the beginning and 156.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:58,616 INFO L168 Benchmark]: Sifa took 3419.57 ms. Allocated memory was 200.3 MB in the beginning and 221.2 MB in the end (delta: 21.0 MB). Free memory was 156.7 MB in the beginning and 191.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 11:14:58,619 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 560.06 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 85.4 MB in the beginning and 177.3 MB in the end (delta: -91.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.74 ms. Allocated memory is still 200.3 MB. Free memory was 177.3 MB in the beginning and 175.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.80 ms. Allocated memory is still 200.3 MB. Free memory was 174.5 MB in the beginning and 156.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * Sifa took 3419.57 ms. Allocated memory was 200.3 MB in the beginning and 221.2 MB in the end (delta: 21.0 MB). Free memory was 156.7 MB in the beginning and 191.9 MB in the end (delta: -35.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 3372 OVERALL_TIME[ms], 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 116 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 2 DAG_INTERPRETER_EARLY_EXITS, 110 TOOLS_POST_APPLICATIONS, 213 TOOLS_POST_TIME[ms], 2 TOOLS_POST_CALL_APPLICATIONS, 25 TOOLS_POST_CALL_TIME[ms], 1 TOOLS_POST_RETURN_APPLICATIONS, 3 TOOLS_POST_RETURN_TIME[ms], 177 TOOLS_QUANTIFIERELIM_TIME[ms], 9 FLUID_QUERY_TIME[ms], 126 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 29 DOMAIN_JOIN_APPLICATIONS, 294 DOMAIN_JOIN_TIME[ms], 0 DOMAIN_ALPHA_APPLICATIONS, 0 DOMAIN_ALPHA_TIME[ms], 6 DOMAIN_WIDEN_APPLICATIONS, 12 DOMAIN_WIDEN_TIME[ms], 10 DOMAIN_ISSUBSETEQ_APPLICATIONS, 35 DOMAIN_ISSUBSETEQ_TIME[ms], 20 DOMAIN_ISBOTTOM_APPLICATIONS, 2659 DOMAIN_ISBOTTOM_TIME[ms], 4 LOOP_SUMMARIZER_APPLICATIONS, 4 LOOP_SUMMARIZER_CACHE_MISSES, 930 LOOP_SUMMARIZER_OVERALL_TIME[ms], 929 LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 10 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 24 CALL_SUMMARIZER_OVERALL_TIME[ms], 0 CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 5 PROCEDURE_GRAPH_BUILDER_TIME[ms], 6 PATH_EXPR_TIME[ms], 5 REGEX_TO_DAG_TIME[ms], 45 DAG_COMPRESSION_TIME[ms], 313 DAG_COMPRESSION_PROCESSED_NODES, 126 DAG_COMPRESSION_RETAINED_NODES - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 105]: 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 149#(or (and (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= main_~__VERIFIER_assert__cond~2 0) (<= ~__return_136~0 0) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= 0 |#NULL.base|) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= main_~__tmp_1~0 1) (<= 0 |old(~__tmp_155_0~0)|) (<= ~__tmp_155_0~0 1) (<= main_~__tmp_3~0 0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0)) (and (<= 0 |main_~#main__array~0.offset|) (<= main_~main__loop_entered~0 0) (<= |#NULL.base| 0) (<= ~__return_136~0 0) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 main_~main__loop_entered~0) (<= 0 |#NULL.base|) (<= ~__tmp_155_0~0 0) (<= 0 ~__return_main~0) (<= 0 ~__return_136~0) (<= ~__return_main~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (<= 0 ~__tmp_155_0~0) (<= 0 |old(~__tmp_155_0~0)|) (<= main_~__tmp_3~0 0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (<= |old(~__tmp_155_0~0)| 0))). Possible FailurePath: - UnprovableResult [Line: 68]: 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 92#(and (<= main_~main____CPAchecker_TMP_0~1 0) (<= ~__return_136~0 0) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= 0 |#NULL.base|) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= 0 |#NULL.offset|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~__VERIFIER_assert__cond~1) (<= 0 |old(~__tmp_155_0~0)|) (<= ~__tmp_155_0~0 1) (<= main_~__tmp_2~0 0) (<= 0 main_~__tmp_2~0) (<= main_~main__loop_entered~0 1) (<= 0 |main_~#main__array~0.offset|) (<= |#NULL.base| 0) (<= main_~__VERIFIER_assert__cond~1 0) (<= 0 ~__return_136~0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= |#NULL.offset| 0) (<= |main_~#main__array~0.offset| 0) (<= main_~__tmp_1~0 1) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__loop_entered~0) (<= |old(~__tmp_155_0~0)| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...