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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:34:22,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:34:22,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:34:22,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:34:22,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:34:22,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:34:22,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:34:22,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:34:22,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:34:22,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:34:22,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:34:22,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:34:22,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:34:22,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:34:22,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:34:22,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:34:22,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:34:22,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:34:22,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:34:22,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:34:22,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:34:22,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:34:22,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:34:22,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:34:22,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:34:22,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:34:22,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:34:22,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:34:22,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:34:22,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:34:22,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:34:22,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:34:22,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:34:22,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:34:22,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:34:22,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:34:22,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:34:22,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:34:22,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:34:22,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:34:22,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:34:22,713 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 [2019-10-15 06:34:22,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:34:22,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:34:22,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:34:22,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:34:22,745 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:34:22,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:34:22,746 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:34:22,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:34:22,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:34:22,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:34:22,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:34:22,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:34:22,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:34:22,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:34:22,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:34:22,748 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:34:22,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:34:22,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:34:22,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:34:22,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:34:22,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:34:22,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:34:22,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:34:22,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:34:22,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:34:22,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:34:22,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:34:22,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:34:22,750 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:34:23,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:34:23,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:34:23,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:34:23,051 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:34:23,051 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:34:23,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i [2019-10-15 06:34:23,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e228849/be45533b9cf74074a465e7316b8fcbfd/FLAG4238e2f3a [2019-10-15 06:34:23,632 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:34:23,634 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i [2019-10-15 06:34:23,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e228849/be45533b9cf74074a465e7316b8fcbfd/FLAG4238e2f3a [2019-10-15 06:34:24,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73e228849/be45533b9cf74074a465e7316b8fcbfd [2019-10-15 06:34:24,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:34:24,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:34:24,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:24,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:34:24,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:34:24,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1199a4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24, skipping insertion in model container [2019-10-15 06:34:24,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,089 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:34:24,108 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:34:24,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:24,291 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:34:24,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:24,317 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:34:24,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24 WrapperNode [2019-10-15 06:34:24,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:24,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:34:24,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:34:24,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:34:24,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:34:24,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:34:24,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:34:24,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:34:24,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:24" (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 [2019-10-15 06:34:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:34:24,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:34:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 06:34:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:34:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:34:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 06:34:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:34:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:34:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:34:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:34:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:34:24,661 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:34:24,661 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 06:34:24,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:24 BoogieIcfgContainer [2019-10-15 06:34:24,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:34:24,663 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:34:24,663 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:34:24,664 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:34:24,665 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:24" (1/1) ... [2019-10-15 06:34:24,665 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 06:34:24,688 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:34:24,688 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:34:24,695 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:34:24,702 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:34:24,703 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:34:24,798 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-15 06:34:25,240 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-15 06:34:25,258 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:34:25,274 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:34:25,274 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:34:25,277 INFO L168 Benchmark]: Toolchain (without parser) took 1203.45 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.3 MB in the beginning and 139.1 MB in the end (delta: -37.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:25,279 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:34:25,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.34 ms. Allocated memory is still 144.7 MB. Free memory was 101.1 MB in the beginning and 91.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:25,282 INFO L168 Benchmark]: Boogie Preprocessor took 119.15 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 91.9 MB in the beginning and 180.1 MB in the end (delta: -88.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:25,283 INFO L168 Benchmark]: RCFGBuilder took 224.77 ms. Allocated memory is still 201.3 MB. Free memory was 180.1 MB in the beginning and 168.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:25,285 INFO L168 Benchmark]: Sifa took 611.10 ms. Allocated memory is still 201.3 MB. Free memory was 168.9 MB in the beginning and 139.1 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:25,291 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 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.34 ms. Allocated memory is still 144.7 MB. Free memory was 101.1 MB in the beginning and 91.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.15 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 91.9 MB in the beginning and 180.1 MB in the end (delta: -88.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 224.77 ms. Allocated memory is still 201.3 MB. Free memory was 180.1 MB in the beginning and 168.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Sifa took 611.10 ms. Allocated memory is still 201.3 MB. Free memory was 168.9 MB in the beginning and 139.1 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 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]: 570, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 12, TOOLS_POST_TIME[ms]: 67, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 75, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME[ms]: 224, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 153, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 408, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 407, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 54, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 54, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 50, DAG_COMPRESSION_RETAINED_NODES: 31 - 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 73#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...