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/array-tiling/skipped.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:27:41,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:27:41,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:27:41,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:27:41,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:27:41,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:27:41,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:27:41,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:27:41,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:27:41,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:27:41,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:27:41,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:27:41,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:27:41,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:27:41,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:27:41,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:27:41,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:27:41,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:27:41,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:27:41,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:27:41,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:27:41,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:27:41,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:27:41,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:27:41,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 15:27:41,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:27:41,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:27:41,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:27:41,972 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 15:27:41,992 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:27:41,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:27:41,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:27:41,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:27:41,994 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:27:41,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:27:41,995 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:27:41,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:27:41,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:27:41,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:27:41,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:27:41,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:27:41,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:27:41,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:27:41,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:27:41,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:27:41,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:27:41,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:27:41,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:27:41,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:27:42,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:27:42,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:27:42,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:27:42,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:27:42,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:27:42,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:27:42,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:27:42,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:27:42,002 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 15:27:42,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:27:42,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:27:42,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:27:42,072 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:27:42,072 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:27:42,073 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/skipped.c [2019-09-05 15:27:42,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f1f49d0/5aa743ad632f482495d85d1d270e3208/FLAG9b5af8857 [2019-09-05 15:27:42,574 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:27:42,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/skipped.c [2019-09-05 15:27:42,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f1f49d0/5aa743ad632f482495d85d1d270e3208/FLAG9b5af8857 [2019-09-05 15:27:42,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f1f49d0/5aa743ad632f482495d85d1d270e3208 [2019-09-05 15:27:42,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:27:42,981 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:27:42,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:42,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:27:42,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:27:42,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:42" (1/1) ... [2019-09-05 15:27:42,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2914a9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:42, skipping insertion in model container [2019-09-05 15:27:42,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:27:42" (1/1) ... [2019-09-05 15:27:43,000 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:27:43,018 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:27:43,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:43,241 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:27:43,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:27:43,376 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:27:43,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43 WrapperNode [2019-09-05 15:27:43,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:27:43,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:27:43,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:27:43,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:27:43,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43" (1/1) ... [2019-09-05 15:27:43,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43" (1/1) ... [2019-09-05 15:27:43,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43" (1/1) ... [2019-09-05 15:27:43,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43" (1/1) ... [2019-09-05 15:27:43,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43" (1/1) ... [2019-09-05 15:27:43,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43" (1/1) ... [2019-09-05 15:27:43,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43" (1/1) ... [2019-09-05 15:27:43,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:27:43,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:27:43,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:27:43,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:27:43,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:27:43" (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 15:27:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:27:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:27:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 15:27:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:27:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:27:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 15:27:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 15:27:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 15:27:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-05 15:27:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:27:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-05 15:27:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 15:27:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 15:27:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:27:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:27:43,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 15:27:43,869 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:27:43,870 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-05 15:27:43,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:43 BoogieIcfgContainer [2019-09-05 15:27:43,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:27:43,872 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:27:43,872 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:27:43,872 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:27:43,874 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:27:43" (1/1) ... [2019-09-05 15:27:43,881 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 15:27:43,904 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:27:43,904 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:27:43,912 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:27:43,922 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:27:43,923 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:27:44,010 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 26 for LOIs [2019-09-05 15:27:44,199 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-05 15:27:44,374 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-09-05 15:27:44,381 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:27:44,381 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:27:44,386 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 94#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 ~SIZE~0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-05 15:27:44,402 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:27:44,403 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:27:44,405 INFO L168 Benchmark]: Toolchain (without parser) took 1423.85 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 86.9 MB in the beginning and 134.8 MB in the end (delta: -47.9 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:44,407 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 15:27:44,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.68 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 86.7 MB in the beginning and 179.1 MB in the end (delta: -92.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:44,415 INFO L168 Benchmark]: Boogie Preprocessor took 51.75 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 176.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:44,416 INFO L168 Benchmark]: RCFGBuilder took 440.71 ms. Allocated memory is still 200.8 MB. Free memory was 176.9 MB in the beginning and 160.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:44,417 INFO L168 Benchmark]: Sifa took 530.94 ms. Allocated memory is still 200.8 MB. Free memory was 160.3 MB in the beginning and 134.8 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-05 15:27:44,430 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 396.68 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 86.7 MB in the beginning and 179.1 MB in the end (delta: -92.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.75 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 176.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 440.71 ms. Allocated memory is still 200.8 MB. Free memory was 176.9 MB in the beginning and 160.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Sifa took 530.94 ms. Allocated memory is still 200.8 MB. Free memory was 160.3 MB in the beginning and 134.8 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 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]: 482, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 70, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 60, TOOLS_POST_TIME[ms]: 220, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 35, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 235, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 76, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 31, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 32, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME[ms]: 37, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 263, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 263, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 38, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 247, DAG_COMPRESSION_RETAINED_NODES: 107 - 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 94#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 ~SIZE~0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...