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-invgen/heapsort.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 17:43:35,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 17:43:35,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 17:43:35,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 17:43:35,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 17:43:35,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 17:43:35,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 17:43:35,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 17:43:35,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 17:43:35,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 17:43:35,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 17:43:35,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 17:43:35,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 17:43:35,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 17:43:35,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 17:43:35,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 17:43:35,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 17:43:35,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 17:43:35,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 17:43:35,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 17:43:35,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 17:43:35,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 17:43:35,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 17:43:35,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 17:43:35,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 17:43:35,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 17:43:35,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 17:43:35,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 17:43:35,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 17:43:35,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 17:43:35,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 17:43:35,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 17:43:35,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 17:43:35,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 17:43:35,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 17:43:35,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 17:43:35,839 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 [2019-09-03 17:43:35,862 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 17:43:35,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 17:43:35,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 17:43:35,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 17:43:35,865 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 17:43:35,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 17:43:35,865 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 17:43:35,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 17:43:35,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 17:43:35,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 17:43:35,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 17:43:35,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 17:43:35,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 17:43:35,868 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 17:43:35,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 17:43:35,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 17:43:35,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 17:43:35,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 17:43:35,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 17:43:35,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 17:43:35,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 17:43:35,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 17:43:35,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 17:43:35,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 17:43:35,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 17:43:35,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 17:43:35,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 17:43:35,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 17:43:35,871 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 [2019-09-03 17:43:35,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 17:43:35,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 17:43:35,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 17:43:35,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 17:43:35,948 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 17:43:35,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/heapsort.i [2019-09-03 17:43:36,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29660755/cfcd6e46a5274dbaac0895073bc32174/FLAGcc0b6f4a8 [2019-09-03 17:43:36,434 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 17:43:36,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/heapsort.i [2019-09-03 17:43:36,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29660755/cfcd6e46a5274dbaac0895073bc32174/FLAGcc0b6f4a8 [2019-09-03 17:43:36,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a29660755/cfcd6e46a5274dbaac0895073bc32174 [2019-09-03 17:43:36,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 17:43:36,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 17:43:36,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 17:43:36,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 17:43:36,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 17:43:36,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 05:43:36" (1/1) ... [2019-09-03 17:43:36,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ded780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:36, skipping insertion in model container [2019-09-03 17:43:36,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 05:43:36" (1/1) ... [2019-09-03 17:43:36,873 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 17:43:36,892 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 17:43:37,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 17:43:37,081 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 17:43:37,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 17:43:37,114 INFO L192 MainTranslator]: Completed translation [2019-09-03 17:43:37,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37 WrapperNode [2019-09-03 17:43:37,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 17:43:37,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 17:43:37,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 17:43:37,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 17:43:37,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37" (1/1) ... [2019-09-03 17:43:37,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37" (1/1) ... [2019-09-03 17:43:37,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37" (1/1) ... [2019-09-03 17:43:37,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37" (1/1) ... [2019-09-03 17:43:37,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37" (1/1) ... [2019-09-03 17:43:37,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37" (1/1) ... [2019-09-03 17:43:37,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37" (1/1) ... [2019-09-03 17:43:37,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 17:43:37,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 17:43:37,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 17:43:37,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 17:43:37,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:43:37" (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 [2019-09-03 17:43:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 17:43:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 17:43:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 17:43:37,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 17:43:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 17:43:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 17:43:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 17:43:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 17:43:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 17:43:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 17:43:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 17:43:37,550 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 17:43:37,554 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 17:43:37,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 05:43:37 BoogieIcfgContainer [2019-09-03 17:43:37,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 17:43:37,556 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-03 17:43:37,556 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-03 17:43:37,557 INFO L275 PluginConnector]: Sifa initialized [2019-09-03 17:43:37,563 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 05:43:37" (1/1) ... [2019-09-03 17:43:37,564 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 [2019-09-03 17:43:37,623 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-03 17:43:37,624 INFO L169 IcfgInterpreter]: Building call graph [2019-09-03 17:43:37,640 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-03 17:43:37,651 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-03 17:43:37,653 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-03 17:43:37,712 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-03 17:43:49,428 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-09-03 17:43:49,428 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-03 17:43:49,429 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-03 17:43:49,431 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 9667#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-03 17:43:49,450 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-03 17:43:49,451 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-03 17:43:49,453 INFO L168 Benchmark]: Toolchain (without parser) took 12596.08 ms. Allocated memory was 129.5 MB in the beginning and 474.5 MB in the end (delta: 345.0 MB). Free memory was 85.1 MB in the beginning and 231.1 MB in the end (delta: -146.1 MB). Peak memory consumption was 198.9 MB. Max. memory is 7.1 GB. [2019-09-03 17:43:49,458 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 17:43:49,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.74 ms. Allocated memory is still 129.5 MB. Free memory was 84.9 MB in the beginning and 75.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-03 17:43:49,461 INFO L168 Benchmark]: Boogie Preprocessor took 125.17 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 75.0 MB in the beginning and 173.8 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-03 17:43:49,462 INFO L168 Benchmark]: RCFGBuilder took 315.01 ms. Allocated memory is still 197.7 MB. Free memory was 173.8 MB in the beginning and 157.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-03 17:43:49,469 INFO L168 Benchmark]: Sifa took 11894.69 ms. Allocated memory was 197.7 MB in the beginning and 474.5 MB in the end (delta: 276.8 MB). Free memory was 157.9 MB in the beginning and 231.1 MB in the end (delta: -73.2 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. [2019-09-03 17:43:49,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.74 ms. Allocated memory is still 129.5 MB. Free memory was 84.9 MB in the beginning and 75.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.17 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 75.0 MB in the beginning and 173.8 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 315.01 ms. Allocated memory is still 197.7 MB. Free memory was 173.8 MB in the beginning and 157.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Sifa took 11894.69 ms. Allocated memory was 197.7 MB in the beginning and 474.5 MB in the end (delta: 276.8 MB). Free memory was 157.9 MB in the beginning and 231.1 MB in the end (delta: -73.2 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 11.8s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 5234 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 171 DAG_INTERPRETER_EARLY_EXITS, 3365 TOOLS_POST_APPLICATIONS, 0.6s TOOLS_POST_TIME, 1681 TOOLS_POST_CALL_APPLICATIONS, 6.4s TOOLS_POST_CALL_TIME, 1666 TOOLS_POST_RETURN_APPLICATIONS, 1.1s TOOLS_POST_RETURN_TIME, 7.4s TOOLS_QUANTIFIERELIM_TIME, 0.1s FLUID_QUERY_TIME, 5500 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 1194 DOMAIN_JOIN_APPLICATIONS, 0.5s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 96 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 3593 DOMAIN_ISSUBSETEQ_APPLICATIONS, 1.8s DOMAIN_ISSUBSETEQ_TIME, 759 DOMAIN_ISBOTTOM_APPLICATIONS, 0.7s DOMAIN_ISBOTTOM_TIME, 170 LOOP_SUMMARIZER_APPLICATIONS, 170 LOOP_SUMMARIZER_CACHE_MISSES, 9.6s LOOP_SUMMARIZER_OVERALL_TIME, 9.6s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 266 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1666 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 1.8s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.2s DAG_COMPRESSION_TIME, 4289 DAG_COMPRESSION_PROCESSED_NODES, 1537 DAG_COMPRESSION_RETAINED_NODES - 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 9667#(and (<= __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...