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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:09:23,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:09:23,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:09:23,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:09:23,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:09:23,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:09:23,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:09:23,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:09:23,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:09:23,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:09:23,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:09:23,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:09:23,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:09:23,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:09:23,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:09:23,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:09:23,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:09:23,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:09:23,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:09:23,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:09:23,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:09:23,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:09:23,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:09:23,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:09:23,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:09:23,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:09:23,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:09:23,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:09:23,386 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 [2019-09-21 09:09:23,402 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:09:23,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:09:23,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:09:23,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:09:23,404 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:09:23,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:09:23,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:09:23,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:09:23,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:09:23,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:09:23,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:09:23,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:09:23,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:09:23,406 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:09:23,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:09:23,406 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:09:23,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:09:23,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:09:23,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:09:23,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:09:23,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:09:23,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:09:23,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:09:23,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:09:23,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:09:23,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:09:23,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:09:23,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:09:23,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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_QUICK [2019-09-21 09:09:23,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:09:23,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:09:23,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:09:23,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:09:23,467 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:09:23,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-09-21 09:09:23,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3467507/e7d1d923db72464384de9a9bfd22a5ca/FLAG80c6fff65 [2019-09-21 09:09:23,946 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:09:23,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-09-21 09:09:23,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3467507/e7d1d923db72464384de9a9bfd22a5ca/FLAG80c6fff65 [2019-09-21 09:09:24,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3467507/e7d1d923db72464384de9a9bfd22a5ca [2019-09-21 09:09:24,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:09:24,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:09:24,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:24,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:09:24,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:09:24,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af9c1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24, skipping insertion in model container [2019-09-21 09:09:24,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,395 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:09:24,418 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:09:24,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:24,724 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:09:24,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:09:24,875 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:09:24,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24 WrapperNode [2019-09-21 09:09:24,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:09:24,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:09:24,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:09:24,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:09:24,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24" (1/1) ... [2019-09-21 09:09:24,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:09:24,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:09:24,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:09:24,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:09:24,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:09:24" (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 [2019-09-21 09:09:25,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:09:25,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:09:25,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:09:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:09:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:09:25,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:09:25,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-21 09:09:25,008 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:09:25,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:09:25,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:09:25,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:09:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:09:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:09:25,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:09:25,364 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:09:25,364 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:09:25,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:25 BoogieIcfgContainer [2019-09-21 09:09:25,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:09:25,366 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:09:25,367 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:09:25,367 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:09:25,368 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:09:25" (1/1) ... [2019-09-21 09:09:25,369 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:09:25,392 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-21 09:09:25,392 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:09:25,399 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:09:25,411 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:09:25,412 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:09:25,587 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-21 09:09:26,628 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:09:26,628 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:09:26,630 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 149#false [2019-09-21 09:09:26,631 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 147#(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)) [2019-09-21 09:09:26,631 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 92#(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))) [2019-09-21 09:09:26,649 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:09:26,649 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:09:26,652 INFO L168 Benchmark]: Toolchain (without parser) took 2275.75 ms. Allocated memory was 138.9 MB in the beginning and 220.2 MB in the end (delta: 81.3 MB). Free memory was 86.6 MB in the beginning and 166.9 MB in the end (delta: -80.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:26,653 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:09:26,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.70 ms. Allocated memory was 138.9 MB in the beginning and 197.7 MB in the end (delta: 58.7 MB). Free memory was 86.4 MB in the beginning and 174.6 MB in the end (delta: -88.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:26,655 INFO L168 Benchmark]: Boogie Preprocessor took 63.41 ms. Allocated memory is still 197.7 MB. Free memory was 174.6 MB in the beginning and 172.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:26,656 INFO L168 Benchmark]: RCFGBuilder took 425.27 ms. Allocated memory is still 197.7 MB. Free memory was 171.8 MB in the beginning and 153.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:26,657 INFO L168 Benchmark]: Sifa took 1283.11 ms. Allocated memory was 197.7 MB in the beginning and 220.2 MB in the end (delta: 22.5 MB). Free memory was 152.8 MB in the beginning and 166.9 MB in the end (delta: -14.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:09:26,661 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 499.70 ms. Allocated memory was 138.9 MB in the beginning and 197.7 MB in the end (delta: 58.7 MB). Free memory was 86.4 MB in the beginning and 174.6 MB in the end (delta: -88.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.41 ms. Allocated memory is still 197.7 MB. Free memory was 174.6 MB in the beginning and 172.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 425.27 ms. Allocated memory is still 197.7 MB. Free memory was 171.8 MB in the beginning and 153.4 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Sifa took 1283.11 ms. Allocated memory was 197.7 MB in the beginning and 220.2 MB in the end (delta: 22.5 MB). Free memory was 152.8 MB in the beginning and 166.9 MB in the end (delta: -14.0 MB). Peak memory consumption was 8.5 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]: 1240, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 115, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 109, TOOLS_POST_TIME[ms]: 285, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 109, TOOLS_QUANTIFIERELIM_TIME[ms]: 246, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 98, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 125, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME[ms]: 561, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 13, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 20, DOMAIN_ISBOTTOM_TIME[ms]: 205, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 872, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 872, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 125, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 125, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 312, DAG_COMPRESSION_RETAINED_NODES: 125 - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 147#(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: - 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 92#(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: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...