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 0.1.24-0883e75 [2019-09-05 11:15:02,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 11:15:02,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 11:15:02,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 11:15:02,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 11:15:02,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 11:15:02,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 11:15:02,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 11:15:02,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 11:15:02,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 11:15:02,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 11:15:02,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 11:15:02,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 11:15:02,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 11:15:02,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 11:15:02,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 11:15:02,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 11:15:02,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 11:15:03,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 11:15:03,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 11:15:03,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 11:15:03,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 11:15:03,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 11:15:03,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 11:15:03,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 11:15:03,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 11:15:03,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 11:15:03,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 11:15:03,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 11:15:03,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 11:15:03,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 11:15:03,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 11:15:03,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 11:15:03,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 11:15:03,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 11:15:03,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 11:15:03,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-05 11:15:03,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 11:15:03,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 11:15:03,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 11:15:03,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 11:15:03,040 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 11:15:03,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 11:15:03,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 11:15:03,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 11:15:03,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 11:15:03,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 11:15:03,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 11:15:03,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 11:15:03,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 11:15:03,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 11:15:03,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 11:15:03,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 11:15:03,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 11:15:03,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 11:15:03,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 11:15:03,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 11:15:03,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 11:15:03,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:15:03,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 11:15:03,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 11:15:03,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 11:15:03,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 11:15:03,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 11:15:03,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 11:15:03,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 11:15:03,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 11:15:03,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 11:15:03,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 11:15:03,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 11:15:03,126 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 11:15:03,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/heapsort.i [2019-09-05 11:15:03,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f82330fd/e888414b45fd41428091fa859df06509/FLAGb0c24d068 [2019-09-05 11:15:03,617 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 11:15:03,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/heapsort.i [2019-09-05 11:15:03,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f82330fd/e888414b45fd41428091fa859df06509/FLAGb0c24d068 [2019-09-05 11:15:04,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f82330fd/e888414b45fd41428091fa859df06509 [2019-09-05 11:15:04,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 11:15:04,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 11:15:04,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 11:15:04,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 11:15:04,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 11:15:04,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2243a972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04, skipping insertion in model container [2019-09-05 11:15:04,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,068 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 11:15:04,088 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 11:15:04,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:15:04,302 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 11:15:04,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:15:04,338 INFO L192 MainTranslator]: Completed translation [2019-09-05 11:15:04,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04 WrapperNode [2019-09-05 11:15:04,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 11:15:04,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 11:15:04,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 11:15:04,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 11:15:04,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 11:15:04,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 11:15:04,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 11:15:04,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 11:15:04,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:15:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 11:15:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 11:15:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 11:15:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 11:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 11:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 11:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 11:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 11:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 11:15:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 11:15:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 11:15:04,769 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 11:15:04,769 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-05 11:15:04,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:15:04 BoogieIcfgContainer [2019-09-05 11:15:04,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 11:15:04,774 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 11:15:04,774 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 11:15:04,775 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 11:15:04,776 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:15:04" (1/1) ... [2019-09-05 11:15:04,777 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 11:15:04,813 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 11:15:04,813 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 11:15:04,822 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 11:15:04,835 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 11:15:04,850 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 11:15:04,916 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-05 11:15:29,006 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-09-05 11:15:29,007 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 11:15:29,008 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 11:15:29,010 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 8875#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-05 11:15:29,021 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 11:15:29,022 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 11:15:29,024 INFO L168 Benchmark]: Toolchain (without parser) took 24973.38 ms. Allocated memory was 132.6 MB in the beginning and 499.6 MB in the end (delta: 367.0 MB). Free memory was 88.3 MB in the beginning and 305.8 MB in the end (delta: -217.6 MB). Peak memory consumption was 149.4 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:29,025 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 11:15:29,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.97 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:29,027 INFO L168 Benchmark]: Boogie Preprocessor took 120.96 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 78.2 MB in the beginning and 174.6 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:29,028 INFO L168 Benchmark]: RCFGBuilder took 311.26 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 158.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:29,029 INFO L168 Benchmark]: Sifa took 24247.65 ms. Allocated memory was 198.2 MB in the beginning and 499.6 MB in the end (delta: 301.5 MB). Free memory was 158.7 MB in the beginning and 305.8 MB in the end (delta: -147.1 MB). Peak memory consumption was 154.4 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:29,033 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 287.97 ms. Allocated memory is still 132.6 MB. Free memory was 88.1 MB in the beginning and 78.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.96 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 78.2 MB in the beginning and 174.6 MB in the end (delta: -96.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.26 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 158.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Sifa took 24247.65 ms. Allocated memory was 198.2 MB in the beginning and 499.6 MB in the end (delta: 301.5 MB). Free memory was 158.7 MB in the beginning and 305.8 MB in the end (delta: -147.1 MB). Peak memory consumption was 154.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 24197 OVERALL_TIME[ms], 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 4823 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 203 DAG_INTERPRETER_EARLY_EXITS, 3072 TOOLS_POST_APPLICATIONS, 530 TOOLS_POST_TIME[ms], 1566 TOOLS_POST_CALL_APPLICATIONS, 18929 TOOLS_POST_CALL_TIME[ms], 1551 TOOLS_POST_RETURN_APPLICATIONS, 985 TOOLS_POST_RETURN_TIME[ms], 19765 TOOLS_QUANTIFIERELIM_TIME[ms], 50 FLUID_QUERY_TIME[ms], 5073 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 1053 DOMAIN_JOIN_APPLICATIONS, 499 DOMAIN_JOIN_TIME[ms], 0 DOMAIN_ALPHA_APPLICATIONS, 0 DOMAIN_ALPHA_TIME[ms], 83 DOMAIN_WIDEN_APPLICATIONS, 40 DOMAIN_WIDEN_TIME[ms], 3347 DOMAIN_ISSUBSETEQ_APPLICATIONS, 1829 DOMAIN_ISSUBSETEQ_TIME[ms], 738 DOMAIN_ISBOTTOM_APPLICATIONS, 682 DOMAIN_ISBOTTOM_TIME[ms], 167 LOOP_SUMMARIZER_APPLICATIONS, 167 LOOP_SUMMARIZER_CACHE_MISSES, 20417 LOOP_SUMMARIZER_OVERALL_TIME[ms], 20415 LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 250 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1551 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 1690 CALL_SUMMARIZER_OVERALL_TIME[ms], 0 CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 9 PROCEDURE_GRAPH_BUILDER_TIME[ms], 6 PATH_EXPR_TIME[ms], 12 REGEX_TO_DAG_TIME[ms], 178 DAG_COMPRESSION_TIME[ms], 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 8875#(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...