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 CompoundDomain --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/loops/invert_string-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:47:36,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:47:36,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:47:36,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:47:36,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:47:36,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:47:36,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:47:36,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:47:36,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:47:36,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:47:36,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:47:36,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:47:36,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:47:36,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:47:36,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:47:36,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:47:36,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:47:36,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:47:36,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:47:36,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:47:36,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:47:36,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:47:36,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:47:36,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:47:36,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:47:36,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:47:36,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:47:36,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:47:36,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:47:36,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:47:36,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:47:36,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:47:36,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:47:36,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:47:36,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:47:36,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:47:36,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:47:36,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:47:36,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:47:36,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:47:36,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:47:36,960 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 09:47:36,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:47:36,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:47:36,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:47:36,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:47:36,977 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:47:36,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:47:36,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:47:36,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:47:36,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:47:36,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:47:36,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:47:36,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:47:36,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:47:36,979 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:47:36,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:47:36,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:47:36,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:47:36,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:47:36,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:47:36,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:47:36,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:47:36,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:47:36,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:47:36,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:47:36,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:47:36,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:47:36,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:47:36,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:47:36,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 09:47:37,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:47:37,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:47:37,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:47:37,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:47:37,033 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:47:37,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string-3.c [2019-09-21 09:47:37,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e5b5f61/33673a1178604ef69d067d84c77132b6/FLAG2910d1cc5 [2019-09-21 09:47:37,533 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:47:37,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string-3.c [2019-09-21 09:47:37,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e5b5f61/33673a1178604ef69d067d84c77132b6/FLAG2910d1cc5 [2019-09-21 09:47:37,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70e5b5f61/33673a1178604ef69d067d84c77132b6 [2019-09-21 09:47:37,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:47:37,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:47:37,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:37,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:47:37,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:47:37,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:37" (1/1) ... [2019-09-21 09:47:37,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283534bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:37, skipping insertion in model container [2019-09-21 09:47:37,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:37" (1/1) ... [2019-09-21 09:47:37,963 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:47:37,983 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:47:38,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:38,177 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:47:38,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:38,324 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:47:38,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38 WrapperNode [2019-09-21 09:47:38,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:38,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:47:38,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:47:38,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:47:38,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38" (1/1) ... [2019-09-21 09:47:38,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38" (1/1) ... [2019-09-21 09:47:38,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38" (1/1) ... [2019-09-21 09:47:38,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38" (1/1) ... [2019-09-21 09:47:38,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38" (1/1) ... [2019-09-21 09:47:38,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38" (1/1) ... [2019-09-21 09:47:38,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38" (1/1) ... [2019-09-21 09:47:38,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:47:38,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:47:38,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:47:38,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:47:38,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:38" (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 09:47:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:47:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:47:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:47:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:47:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:47:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:47:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 09:47:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:47:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:47:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:47:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:47:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:47:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:47:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:47:38,838 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:47:38,839 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-21 09:47:38,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:38 BoogieIcfgContainer [2019-09-21 09:47:38,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:47:38,841 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:47:38,841 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:47:38,841 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:47:38,842 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:38" (1/1) ... [2019-09-21 09:47:38,843 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 09:47:38,873 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:47:38,874 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:47:38,882 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:47:38,889 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:47:38,891 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:47:39,075 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-21 09:47:39,470 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:47:39,526 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:47:39,703 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-21 09:47:43,089 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2019-09-21 09:47:43,223 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2019-09-21 09:47:43,420 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 321 [2019-09-21 09:47:44,739 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-09-21 09:47:45,256 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2019-09-21 09:47:45,509 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2019-09-21 09:47:45,812 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 406 [2019-09-21 09:47:49,869 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 363 [2019-09-21 09:47:50,029 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:47:50,031 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:47:50,031 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:47:50,034 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 616#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 09:47:50,049 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:47:50,050 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:47:50,052 INFO L168 Benchmark]: Toolchain (without parser) took 12106.47 ms. Allocated memory was 136.3 MB in the beginning and 602.9 MB in the end (delta: 466.6 MB). Free memory was 83.5 MB in the beginning and 96.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 453.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:50,053 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 102.2 MB in the beginning and 102.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:47:50,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.21 ms. Allocated memory was 136.3 MB in the beginning and 198.2 MB in the end (delta: 61.9 MB). Free memory was 83.3 MB in the beginning and 175.9 MB in the end (delta: -92.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:50,056 INFO L168 Benchmark]: Boogie Preprocessor took 49.92 ms. Allocated memory is still 198.2 MB. Free memory was 175.9 MB in the beginning and 174.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:50,057 INFO L168 Benchmark]: RCFGBuilder took 464.24 ms. Allocated memory is still 198.2 MB. Free memory was 174.2 MB in the beginning and 153.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:50,058 INFO L168 Benchmark]: Sifa took 11209.27 ms. Allocated memory was 198.2 MB in the beginning and 602.9 MB in the end (delta: 404.8 MB). Free memory was 153.2 MB in the beginning and 96.4 MB in the end (delta: 56.8 MB). Peak memory consumption was 461.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:47:50,063 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 136.3 MB. Free memory was 102.2 MB in the beginning and 102.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 379.21 ms. Allocated memory was 136.3 MB in the beginning and 198.2 MB in the end (delta: 61.9 MB). Free memory was 83.3 MB in the beginning and 175.9 MB in the end (delta: -92.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.92 ms. Allocated memory is still 198.2 MB. Free memory was 175.9 MB in the beginning and 174.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 464.24 ms. Allocated memory is still 198.2 MB. Free memory was 174.2 MB in the beginning and 153.2 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Sifa took 11209.27 ms. Allocated memory was 198.2 MB in the beginning and 602.9 MB in the end (delta: 404.8 MB). Free memory was 153.2 MB in the beginning and 96.4 MB in the end (delta: 56.8 MB). Peak memory consumption was 461.5 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]: 11161, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 55, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 39, TOOLS_POST_TIME[ms]: 617, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME[ms]: 6105, TOOLS_POST_RETURN_APPLICATIONS: 11, TOOLS_POST_RETURN_TIME[ms]: 58, TOOLS_QUANTIFIERELIM_APPLICATIONS: 63, TOOLS_QUANTIFIERELIM_TIME[ms]: 6725, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3360, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 71, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 20, DOMAIN_JOIN_TIME[ms]: 1109, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 263, DOMAIN_WIDEN_APPLICATIONS: 13, DOMAIN_WIDEN_TIME[ms]: 2764, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 145, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10873, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10871, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 11, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 155, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 154, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 68, DAG_COMPRESSION_RETAINED_NODES: 37 - UnprovableResult [Line: 5]: 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 616#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 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...