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-crafted/zero_sum_m4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:28:04,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:28:04,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:28:04,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:28:04,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:28:04,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:28:04,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:28:04,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:28:04,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:28:04,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:28:04,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:28:04,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:28:04,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:28:04,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:28:04,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:28:04,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:28:04,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:28:04,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:28:04,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:28:04,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:28:04,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:28:04,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:28:04,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:28:04,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:28:04,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 15:28:05,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 15:28:05,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 15:28:05,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 15:28:05,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 15:28:05,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 15:28:05,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 15:28:05,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 15:28:05,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 15:28:05,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:28:05,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:28:05,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:28:05,009 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 15:28:05,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:28:05,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:28:05,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:28:05,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:28:05,026 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:28:05,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:28:05,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:28:05,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:28:05,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:28:05,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:28:05,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:28:05,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:28:05,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:28:05,028 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:28:05,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:28:05,028 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:28:05,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:28:05,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:28:05,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:28:05,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:28:05,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:28:05,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:28:05,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:28:05,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:28:05,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:28:05,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:28:05,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:28:05,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:28:05,031 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 15:28:05,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:28:05,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:28:05,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:28:05,082 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:28:05,083 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:28:05,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum_m4.c [2019-09-05 15:28:05,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeeeca402/04c80e12c77b476a9e530ebc71980293/FLAGe54ff1622 [2019-09-05 15:28:05,606 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:28:05,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum_m4.c [2019-09-05 15:28:05,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeeeca402/04c80e12c77b476a9e530ebc71980293/FLAGe54ff1622 [2019-09-05 15:28:06,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeeeca402/04c80e12c77b476a9e530ebc71980293 [2019-09-05 15:28:06,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:28:06,018 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:28:06,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:28:06,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:28:06,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:28:06,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe21a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06, skipping insertion in model container [2019-09-05 15:28:06,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,039 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:28:06,064 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:28:06,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:28:06,272 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:28:06,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:28:06,316 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:28:06,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06 WrapperNode [2019-09-05 15:28:06,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:28:06,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:28:06,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:28:06,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:28:06,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:28:06,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:28:06,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:28:06,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:28:06,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:28:06" (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 15:28:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:28:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:28:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 15:28:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:28:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:28:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 15:28:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 15:28:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-09-05 15:28:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:28:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-05 15:28:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 15:28:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 15:28:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 15:28:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:28:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:28:06,826 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:28:06,826 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-05 15:28:06,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:28:06 BoogieIcfgContainer [2019-09-05 15:28:06,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:28:06,828 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:28:06,828 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:28:06,829 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:28:06,830 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:28:06" (1/1) ... [2019-09-05 15:28:06,830 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 15:28:06,875 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:28:06,875 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:28:06,889 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:28:06,898 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:28:06,900 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:28:06,978 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 22 for LOIs [2019-09-05 15:28:07,560 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 11 for LOIs [2019-09-05 15:28:07,563 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:28:07,563 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:28:07,565 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 377#(or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= ~SIZE~0 0)) (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 15:28:07,577 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:28:07,578 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:28:07,580 INFO L168 Benchmark]: Toolchain (without parser) took 1561.82 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.7 MB in the beginning and 111.8 MB in the end (delta: -24.0 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2019-09-05 15:28:07,580 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 15:28:07,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.61 ms. Allocated memory is still 132.6 MB. Free memory was 87.5 MB in the beginning and 76.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-05 15:28:07,582 INFO L168 Benchmark]: Boogie Preprocessor took 128.68 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 76.9 MB in the beginning and 175.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-05 15:28:07,583 INFO L168 Benchmark]: RCFGBuilder took 380.98 ms. Allocated memory is still 199.8 MB. Free memory was 175.3 MB in the beginning and 155.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-05 15:28:07,584 INFO L168 Benchmark]: Sifa took 749.49 ms. Allocated memory is still 199.8 MB. Free memory was 155.5 MB in the beginning and 111.8 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-09-05 15:28:07,588 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 298.61 ms. Allocated memory is still 132.6 MB. Free memory was 87.5 MB in the beginning and 76.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.68 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 76.9 MB in the beginning and 175.3 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.98 ms. Allocated memory is still 199.8 MB. Free memory was 175.3 MB in the beginning and 155.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Sifa took 749.49 ms. Allocated memory is still 199.8 MB. Free memory was 155.5 MB in the beginning and 111.8 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 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]: 690, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 290, DAG_INTERPRETER_EARLY_EXITS: 22, TOOLS_POST_APPLICATIONS: 256, TOOLS_POST_TIME[ms]: 236, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 26, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 201, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 335, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 101, DOMAIN_JOIN_TIME[ms]: 65, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 13, DOMAIN_ISSUBSETEQ_APPLICATIONS: 45, DOMAIN_ISSUBSETEQ_TIME[ms]: 69, DOMAIN_ISBOTTOM_APPLICATIONS: 70, DOMAIN_ISBOTTOM_TIME[ms]: 104, LOOP_SUMMARIZER_APPLICATIONS: 31, LOOP_SUMMARIZER_CACHE_MISSES: 31, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 272, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 270, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 45, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 21, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 63, DAG_COMPRESSION_PROCESSED_NODES: 1142, DAG_COMPRESSION_RETAINED_NODES: 515 - 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 377#(or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (<= ~SIZE~0 0)) (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...