/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/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/fo_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:02:33,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:02:33,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:02:33,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:02:33,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:02:33,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:02:33,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:02:33,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:02:33,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:02:33,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:02:33,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:02:33,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:02:33,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:02:33,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:02:33,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:02:33,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:02:33,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:02:33,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:02:33,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:02:33,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:02:33,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:02:33,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:02:33,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:02:33,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:02:33,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:02:33,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:02:33,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:02:33,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:02:33,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:02:33,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:02:33,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:02:33,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:02:33,771 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:02:33,772 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:02:33,772 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:02:33,772 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:02:33,772 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:02:33,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:02:33,773 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:02:33,773 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:02:33,773 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:02:33,773 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:02:33,774 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:02:33,774 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:02:33,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:02:33,775 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:02:33,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:02:33,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:02:33,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:02:33,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:02:33,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:02:33,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:02:33,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:02:33,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:02:33,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:02:33,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:02:33,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:02:33,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:02:33,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:02:33,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:02:33,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:02:33,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:02:33,778 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:02:33,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:02:33,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:02:33,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:02:33,779 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:02:34,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:02:34,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:02:34,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:02:34,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:02:34,074 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:02:34,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/fo_test.i [2019-11-24 16:02:34,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e0bfe8f/d1ca1179e53f48d8beaf3c06bea81b57/FLAGaf3cf44c6 [2019-11-24 16:02:34,608 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:02:34,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/fo_test.i [2019-11-24 16:02:34,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e0bfe8f/d1ca1179e53f48d8beaf3c06bea81b57/FLAGaf3cf44c6 [2019-11-24 16:02:34,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1e0bfe8f/d1ca1179e53f48d8beaf3c06bea81b57 [2019-11-24 16:02:34,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:02:34,921 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:02:34,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:02:34,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:02:34,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:02:34,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:02:34" (1/1) ... [2019-11-24 16:02:34,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43685070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:34, skipping insertion in model container [2019-11-24 16:02:34,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:02:34" (1/1) ... [2019-11-24 16:02:34,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:02:35,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:02:35,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:02:35,440 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:02:35,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:02:35,577 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:02:35,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35 WrapperNode [2019-11-24 16:02:35,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:02:35,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:02:35,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:02:35,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:02:35,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:02:35,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:02:35,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:02:35,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:02:35,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (1/1) ... [2019-11-24 16:02:35,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:02:35,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:02:35,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:02:35,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:02:35,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:02:35" (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 [2019-11-24 16:02:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-24 16:02:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:02:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-24 16:02:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:02:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:02:36,180 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:02:36,180 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-24 16:02:36,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:02:36 BoogieIcfgContainer [2019-11-24 16:02:36,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:02:36,182 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:02:36,182 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:02:36,183 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:02:36,185 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:02:36" (1/1) ... [2019-11-24 16:02:36,186 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 [2019-11-24 16:02:36,226 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:02:36,226 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:02:36,237 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:02:36,247 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:02:36,249 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:02:36,700 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-11-24 16:02:36,937 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:02:36,955 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:02:36,955 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:02:36,957 INFO L168 Benchmark]: Toolchain (without parser) took 2036.18 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.3 MB in the beginning and 94.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:36,958 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 16:02:36,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.00 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.9 MB in the beginning and 165.6 MB in the end (delta: -65.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:36,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.76 ms. Allocated memory is still 202.4 MB. Free memory was 165.6 MB in the beginning and 163.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:36,961 INFO L168 Benchmark]: Boogie Preprocessor took 23.44 ms. Allocated memory is still 202.4 MB. Free memory was 163.7 MB in the beginning and 161.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:36,962 INFO L168 Benchmark]: RCFGBuilder took 517.22 ms. Allocated memory is still 202.4 MB. Free memory was 161.8 MB in the beginning and 137.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:36,963 INFO L168 Benchmark]: Sifa took 773.13 ms. Allocated memory is still 202.4 MB. Free memory was 137.9 MB in the beginning and 94.8 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2019-11-24 16:02:36,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.00 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.9 MB in the beginning and 165.6 MB in the end (delta: -65.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.76 ms. Allocated memory is still 202.4 MB. Free memory was 165.6 MB in the beginning and 163.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.44 ms. Allocated memory is still 202.4 MB. Free memory was 163.7 MB in the beginning and 161.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 517.22 ms. Allocated memory is still 202.4 MB. Free memory was 161.8 MB in the beginning and 137.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Sifa took 773.13 ms. Allocated memory is still 202.4 MB. Free memory was 137.9 MB in the beginning and 94.8 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 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]: 712, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 3, TOOLS_POST_TIME[ms]: 644, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 3, TOOLS_QUANTIFIERELIM_TIME[ms]: 633, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 633, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 4, 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: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 15, DAG_COMPRESSION_RETAINED_NODES: 9 - UnprovableResult [Line: 960]: 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 5#(and (not (= 1 ~globalState~0)) (or (and (<= 0 (+ |ULTIMATE.start_l_open_#res| 2147483648)) (= ULTIMATE.start_main_~cbuf~0.base |ULTIMATE.start_l_read_#in~cbuf.base|) (= 0 |#NULL.base|) (not (= |#t~string6.base| 0)) (<= |ULTIMATE.start_l_open_#res| 2147483647) (= (select |#valid| |ULTIMATE.start_main_#t~malloc8.base|) 1) (< |#StackHeapBarrier| |#t~string6.base|) (= |ULTIMATE.start_main_#in~argv.offset| ULTIMATE.start_main_~argv.offset) (= |ULTIMATE.start_l_open_#in~file.base| ULTIMATE.start_l_open_~file.base) (= |ULTIMATE.start_l_open_#in~file.offset| |#t~string6.offset|) (not (= 0 |ULTIMATE.start_main_#t~malloc8.base|)) (= |ULTIMATE.start_l_read_#in~count| ULTIMATE.start_l_read_~count) (= |ULTIMATE.start_l_read_#in~cbuf.offset| ULTIMATE.start_main_~cbuf~0.offset) (= ULTIMATE.start_main_~argc |ULTIMATE.start_main_#in~argc|) (= (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 100) (= 1 ~globalState~0) (= |ULTIMATE.start_l_read_#in~cbuf.offset| ULTIMATE.start_l_read_~cbuf.offset) (= 0 |#t~string6.offset|) (= |ULTIMATE.start_#in~argc| |ULTIMATE.start_main_#in~argc|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_l_read_#in~count| 99) (< 0 ULTIMATE.start_l_open_~fd~0) (= |ULTIMATE.start_l_read_#in~fd| ULTIMATE.start_l_read_~fd) (= 0 |ULTIMATE.start_l_open_#in~flags|) (= ULTIMATE.start_l_open_~fd~0 |ULTIMATE.start_l_open_#res|) (= ULTIMATE.start_l_open_~fd~0 |ULTIMATE.start_l_open_#t~nondet11|) (= |ULTIMATE.start_l_read_#in~fd| ULTIMATE.start_main_~file~0) (= |ULTIMATE.start_#in~argv.base| |ULTIMATE.start_main_#in~argv.base|) (= ULTIMATE.start_l_open_~flags |ULTIMATE.start_l_open_#in~flags|) (= ULTIMATE.start_main_~cbuf~0.base |ULTIMATE.start_main_#t~malloc8.base|) (= ULTIMATE.start_l_open_~file.offset |ULTIMATE.start_l_open_#in~file.offset|) (= ULTIMATE.start_main_~cbuf~0.offset |ULTIMATE.start_main_#t~malloc8.offset|) (= ULTIMATE.start_l_read_~cbuf.base |ULTIMATE.start_l_read_#in~cbuf.base|) (< |ULTIMATE.start_main_#t~malloc8.base| |#StackHeapBarrier|) (= |#t~string6.base| |ULTIMATE.start_l_open_#in~file.base|) (= ULTIMATE.start_main_~file~0 |ULTIMATE.start_l_open_#res|) (= 8 (select |#length| |#t~string6.base|)) (= 0 (select |#valid| 0)) (= 0 |ULTIMATE.start_main_#t~malloc8.offset|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_#in~argv.offset| |ULTIMATE.start_#in~argv.offset|) (= ULTIMATE.start_main_~argv.base |ULTIMATE.start_main_#in~argv.base|) (= (select |#valid| |#t~string6.base|) 1)) (and (<= 0 (+ |ULTIMATE.start_l_open_#res| 2147483648)) (= ULTIMATE.start_main_~cbuf~0.base |ULTIMATE.start_l_read_#in~cbuf.base|) (= 0 |#NULL.base|) (not (= |#t~string6.base| 0)) (<= |ULTIMATE.start_l_open_#res| 2147483647) (= (select |#valid| |ULTIMATE.start_main_#t~malloc8.base|) 1) (< |#StackHeapBarrier| |#t~string6.base|) (= |ULTIMATE.start_main_#in~argv.offset| ULTIMATE.start_main_~argv.offset) (= |ULTIMATE.start_l_open_#in~file.base| ULTIMATE.start_l_open_~file.base) (= |ULTIMATE.start_l_open_#in~file.offset| |#t~string6.offset|) (not (= 0 |ULTIMATE.start_main_#t~malloc8.base|)) (= |ULTIMATE.start_l_read_#in~count| ULTIMATE.start_l_read_~count) (= |ULTIMATE.start_l_read_#in~cbuf.offset| ULTIMATE.start_main_~cbuf~0.offset) (= ULTIMATE.start_main_~argc |ULTIMATE.start_main_#in~argc|) (= (select |#length| |ULTIMATE.start_main_#t~malloc8.base|) 100) (= 0 ~globalState~0) (not (< 0 ULTIMATE.start_l_open_~fd~0)) (= |ULTIMATE.start_l_read_#in~cbuf.offset| ULTIMATE.start_l_read_~cbuf.offset) (= 0 |#t~string6.offset|) (= |ULTIMATE.start_#in~argc| |ULTIMATE.start_main_#in~argc|) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_l_read_#in~count| 99) (= |ULTIMATE.start_l_read_#in~fd| ULTIMATE.start_l_read_~fd) (= 0 |ULTIMATE.start_l_open_#in~flags|) (= ULTIMATE.start_l_open_~fd~0 |ULTIMATE.start_l_open_#res|) (= ULTIMATE.start_l_open_~fd~0 |ULTIMATE.start_l_open_#t~nondet11|) (= |ULTIMATE.start_l_read_#in~fd| ULTIMATE.start_main_~file~0) (= |ULTIMATE.start_#in~argv.base| |ULTIMATE.start_main_#in~argv.base|) (= ULTIMATE.start_l_open_~flags |ULTIMATE.start_l_open_#in~flags|) (= ULTIMATE.start_main_~cbuf~0.base |ULTIMATE.start_main_#t~malloc8.base|) (= ULTIMATE.start_l_open_~file.offset |ULTIMATE.start_l_open_#in~file.offset|) (= ULTIMATE.start_main_~cbuf~0.offset |ULTIMATE.start_main_#t~malloc8.offset|) (= ULTIMATE.start_l_read_~cbuf.base |ULTIMATE.start_l_read_#in~cbuf.base|) (< |ULTIMATE.start_main_#t~malloc8.base| |#StackHeapBarrier|) (= |#t~string6.base| |ULTIMATE.start_l_open_#in~file.base|) (= ULTIMATE.start_main_~file~0 |ULTIMATE.start_l_open_#res|) (= 8 (select |#length| |#t~string6.base|)) (= 0 (select |#valid| 0)) (= 0 |ULTIMATE.start_main_#t~malloc8.offset|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_#in~argv.offset| |ULTIMATE.start_#in~argv.offset|) (= ULTIMATE.start_main_~argv.base |ULTIMATE.start_main_#in~argv.base|) (= (select |#valid| |#t~string6.base|) 1)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...