java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-lit/mcmillan2006.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 11:15:23,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 11:15:23,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 11:15:23,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 11:15:23,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 11:15:23,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 11:15:23,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 11:15:23,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 11:15:23,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 11:15:23,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 11:15:23,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 11:15:23,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 11:15:23,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 11:15:23,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 11:15:23,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 11:15:23,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 11:15:23,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 11:15:23,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 11:15:23,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 11:15:23,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 11:15:23,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 11:15:23,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 11:15:23,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 11:15:23,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 11:15:23,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 11:15:23,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 11:15:23,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 11:15:23,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 11:15:23,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 11:15:23,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 11:15:23,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 11:15:23,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 11:15:23,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 11:15:23,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 11:15:23,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 11:15:23,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 11:15:23,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-05 11:15:23,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 11:15:23,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 11:15:23,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 11:15:23,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 11:15:23,358 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 11:15:23,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 11:15:23,358 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 11:15:23,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 11:15:23,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 11:15:23,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 11:15:23,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 11:15:23,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 11:15:23,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 11:15:23,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 11:15:23,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 11:15:23,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 11:15:23,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 11:15:23,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 11:15:23,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 11:15:23,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 11:15:23,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 11:15:23,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:15:23,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 11:15:23,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 11:15:23,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 11:15:23,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 11:15:23,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 11:15:23,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 11:15:23,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 11:15:23,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 11:15:23,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 11:15:23,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 11:15:23,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 11:15:23,425 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 11:15:23,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/mcmillan2006.i [2019-09-05 11:15:23,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dcb7f746/7eaf5847ca6d473ebd0f47a91f838ad3/FLAG3c64bfaf4 [2019-09-05 11:15:23,975 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 11:15:23,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/mcmillan2006.i [2019-09-05 11:15:23,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dcb7f746/7eaf5847ca6d473ebd0f47a91f838ad3/FLAG3c64bfaf4 [2019-09-05 11:15:24,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dcb7f746/7eaf5847ca6d473ebd0f47a91f838ad3 [2019-09-05 11:15:24,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 11:15:24,365 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 11:15:24,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 11:15:24,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 11:15:24,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 11:15:24,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4514680f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24, skipping insertion in model container [2019-09-05 11:15:24,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,381 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 11:15:24,395 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 11:15:24,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:15:24,560 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 11:15:24,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:15:24,594 INFO L192 MainTranslator]: Completed translation [2019-09-05 11:15:24,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24 WrapperNode [2019-09-05 11:15:24,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 11:15:24,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 11:15:24,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 11:15:24,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 11:15:24,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24" (1/1) ... [2019-09-05 11:15:24,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 11:15:24,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 11:15:24,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 11:15:24,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 11:15:24,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:24" (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 [2019-09-05 11:15:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 11:15:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 11:15:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 11:15:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 11:15:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-05 11:15:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 11:15:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 11:15:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 11:15:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 11:15:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 11:15:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-05 11:15:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-05 11:15:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-05 11:15:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 11:15:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 11:15:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-05 11:15:25,019 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 11:15:25,020 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-05 11:15:25,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:15:25 BoogieIcfgContainer [2019-09-05 11:15:25,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 11:15:25,021 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 11:15:25,022 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 11:15:25,022 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 11:15:25,023 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:15:25" (1/1) ... [2019-09-05 11:15:25,024 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 11:15:25,046 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 11:15:25,046 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 11:15:25,053 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 11:15:25,064 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 11:15:25,066 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 11:15:25,150 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-05 11:15:25,377 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 13 for LOIs [2019-09-05 11:15:25,380 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 11:15:25,380 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 11:15:25,383 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 60#(and (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-05 11:15:25,395 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 11:15:25,395 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 11:15:25,398 INFO L168 Benchmark]: Toolchain (without parser) took 1031.73 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.4 MB in the beginning and 145.4 MB in the end (delta: -57.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:25,399 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 11:15:25,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.67 ms. Allocated memory is still 132.6 MB. Free memory was 87.2 MB in the beginning and 77.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:25,401 INFO L168 Benchmark]: Boogie Preprocessor took 120.80 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 77.5 MB in the beginning and 175.7 MB in the end (delta: -98.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:25,402 INFO L168 Benchmark]: RCFGBuilder took 304.64 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 161.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:25,403 INFO L168 Benchmark]: Sifa took 374.09 ms. Allocated memory is still 199.8 MB. Free memory was 161.6 MB in the beginning and 145.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:25,407 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 132.6 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.67 ms. Allocated memory is still 132.6 MB. Free memory was 87.2 MB in the beginning and 77.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.80 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 77.5 MB in the beginning and 175.7 MB in the end (delta: -98.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 304.64 ms. Allocated memory is still 199.8 MB. Free memory was 175.7 MB in the beginning and 161.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Sifa took 374.09 ms. Allocated memory is still 199.8 MB. Free memory was 161.6 MB in the beginning and 145.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 337 OVERALL_TIME[ms], 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 42 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 35 TOOLS_POST_APPLICATIONS, 86 TOOLS_POST_TIME[ms], 5 TOOLS_POST_CALL_APPLICATIONS, 41 TOOLS_POST_CALL_TIME[ms], 3 TOOLS_POST_RETURN_APPLICATIONS, 11 TOOLS_POST_RETURN_TIME[ms], 113 TOOLS_QUANTIFIERELIM_TIME[ms], 5 FLUID_QUERY_TIME[ms], 46 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 13 DOMAIN_JOIN_APPLICATIONS, 41 DOMAIN_JOIN_TIME[ms], 0 DOMAIN_ALPHA_APPLICATIONS, 0 DOMAIN_ALPHA_TIME[ms], 2 DOMAIN_WIDEN_APPLICATIONS, 11 DOMAIN_WIDEN_TIME[ms], 5 DOMAIN_ISSUBSETEQ_APPLICATIONS, 26 DOMAIN_ISSUBSETEQ_TIME[ms], 4 DOMAIN_ISBOTTOM_APPLICATIONS, 18 DOMAIN_ISBOTTOM_TIME[ms], 2 LOOP_SUMMARIZER_APPLICATIONS, 2 LOOP_SUMMARIZER_CACHE_MISSES, 168 LOOP_SUMMARIZER_OVERALL_TIME[ms], 167 LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 4 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 37 CALL_SUMMARIZER_OVERALL_TIME[ms], 0 CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 11 PROCEDURE_GRAPH_BUILDER_TIME[ms], 4 PATH_EXPR_TIME[ms], 4 REGEX_TO_DAG_TIME[ms], 29 DAG_COMPRESSION_TIME[ms], 115 DAG_COMPRESSION_PROCESSED_NODES, 54 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 6]: 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 60#(and (<= __VERIFIER_assert_~cond 0) (<= |#NULL.base| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 |#NULL.base|) (<= 0 __VERIFIER_assert_~cond) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...