/usr/bin/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-acceleration/simple_3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:08:59,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:08:59,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:08:59,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:08:59,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:08:59,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:08:59,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:08:59,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:08:59,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:08:59,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:08:59,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:08:59,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:08:59,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:08:59,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:08:59,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:08:59,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:08:59,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:08:59,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:08:59,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:08:59,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:08:59,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:08:59,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:08:59,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:08:59,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:08:59,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:08:59,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:08:59,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:08:59,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:08:59,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:08:59,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:08:59,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:08:59,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:08:59,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:08:59,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:08:59,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:08:59,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:08:59,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:08:59,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:08:59,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:08:59,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:08:59,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:08:59,781 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 [2019-11-07 10:08:59,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:08:59,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:08:59,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:08:59,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:08:59,797 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:08:59,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:08:59,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:08:59,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:08:59,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:08:59,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:08:59,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:08:59,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:08:59,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:08:59,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:08:59,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:08:59,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:08:59,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:08:59,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:08:59,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:08:59,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:08:59,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:08:59,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:08:59,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:08:59,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:08:59,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:08:59,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:08:59,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:08:59,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:08:59,801 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 [2019-11-07 10:09:00,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:09:00,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:09:00,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:09:00,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:09:00,126 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:09:00,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-11-07 10:09:00,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f936c0aa/ccec7ecc42da4c13b6457fa922788ddd/FLAG8d116ac22 [2019-11-07 10:09:00,667 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:09:00,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-11-07 10:09:00,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f936c0aa/ccec7ecc42da4c13b6457fa922788ddd/FLAG8d116ac22 [2019-11-07 10:09:01,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f936c0aa/ccec7ecc42da4c13b6457fa922788ddd [2019-11-07 10:09:01,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:09:01,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:09:01,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:01,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:09:01,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:09:01,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3385a486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01, skipping insertion in model container [2019-11-07 10:09:01,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,131 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:09:01,149 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:09:01,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:01,350 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:09:01,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:01,373 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:09:01,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01 WrapperNode [2019-11-07 10:09:01,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:01,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:09:01,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:09:01,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:09:01,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:09:01,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:09:01,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:09:01,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:09:01,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:01" (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 [2019-11-07 10:09:01,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:09:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:09:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:09:01,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:09:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:09:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-11-07 10:09:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:09:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:09:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:09:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:09:01,706 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:09:01,706 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 10:09:01,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:01 BoogieIcfgContainer [2019-11-07 10:09:01,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:09:01,711 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:09:01,712 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:09:01,712 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:09:01,715 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:01" (1/1) ... [2019-11-07 10:09:01,716 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 [2019-11-07 10:09:01,744 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:09:01,744 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:09:01,751 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:09:01,759 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:09:01,761 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:09:01,800 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-11-07 10:09:02,004 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-11-07 10:09:02,007 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:09:02,024 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:09:02,024 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:09:02,027 INFO L168 Benchmark]: Toolchain (without parser) took 910.96 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 158.9 MB in the end (delta: -57.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:02,042 INFO L168 Benchmark]: CDTParser took 1.15 ms. Allocated memory is still 138.4 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:09:02,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.20 ms. Allocated memory is still 138.4 MB. Free memory was 101.3 MB in the beginning and 91.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:02,050 INFO L168 Benchmark]: Boogie Preprocessor took 120.02 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 91.6 MB in the beginning and 181.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:02,051 INFO L168 Benchmark]: RCFGBuilder took 216.37 ms. Allocated memory is still 202.9 MB. Free memory was 181.3 MB in the beginning and 170.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:02,052 INFO L168 Benchmark]: Sifa took 312.73 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 158.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:02,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 ms. Allocated memory is still 138.4 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.20 ms. Allocated memory is still 138.4 MB. Free memory was 101.3 MB in the beginning and 91.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.02 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 91.6 MB in the beginning and 181.3 MB in the end (delta: -89.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 216.37 ms. Allocated memory is still 202.9 MB. Free memory was 181.3 MB in the beginning and 170.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Sifa took 312.73 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 158.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 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]: 264, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 27, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 59, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 76, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 51, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 101, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 134, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 134, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 10, DAG_COMPRESSION_PROCESSED_NODES: 43, DAG_COMPRESSION_RETAINED_NODES: 29 - 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 27#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...