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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:07:05,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:07:05,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:07:05,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:07:05,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:07:05,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:07:05,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:07:05,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:07:05,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:07:05,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:07:05,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:07:05,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:07:05,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:07:05,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:07:05,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:07:05,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:07:05,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:07:05,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:07:05,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:07:05,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:07:05,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:07:05,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:07:05,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:07:05,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:07:05,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 02:07:05,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:07:05,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:07:05,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:07:05,574 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 [2019-09-17 02:07:05,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:07:05,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:07:05,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:07:05,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:07:05,592 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:07:05,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:07:05,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:07:05,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:07:05,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:07:05,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:07:05,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:07:05,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:07:05,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:07:05,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:07:05,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:07:05,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:07:05,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:07:05,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:07:05,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:07:05,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:07:05,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:07:05,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:07:05,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:07:05,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:07:05,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:07:05,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:07:05,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:07:05,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:07:05,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-17 02:07:05,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:07:05,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:07:05,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:07:05,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:07:05,650 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:07:05,651 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2019-09-17 02:07:05,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1126fe28a/2892e0f89fa94e5bb8f33d7d948cedf4/FLAG016fe9b0c [2019-09-17 02:07:06,174 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:07:06,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2019-09-17 02:07:06,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1126fe28a/2892e0f89fa94e5bb8f33d7d948cedf4/FLAG016fe9b0c [2019-09-17 02:07:06,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1126fe28a/2892e0f89fa94e5bb8f33d7d948cedf4 [2019-09-17 02:07:06,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:07:06,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:07:06,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:07:06,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:07:06,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:07:06,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:06,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec8f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06, skipping insertion in model container [2019-09-17 02:07:06,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:06,582 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:07:06,609 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:07:06,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:07:06,808 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:07:06,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:07:06,957 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:07:06,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06 WrapperNode [2019-09-17 02:07:06,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:07:06,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:07:06,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:07:06,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:07:06,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:06,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:06,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:06,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:06,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:06,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:06,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06" (1/1) ... [2019-09-17 02:07:07,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:07:07,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:07:07,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:07:07,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:07:07,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:07:06" (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 [2019-09-17 02:07:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:07:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:07:07,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:07:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:07:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:07:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:07:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:07:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:07:07,732 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:07:07,732 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 02:07:07,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:07:07 BoogieIcfgContainer [2019-09-17 02:07:07,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:07:07,736 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:07:07,736 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:07:07,737 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:07:07,738 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:07:07" (1/1) ... [2019-09-17 02:07:07,741 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:07:07,764 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:07:07,765 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:07:07,773 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:07:07,781 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:07:07,783 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:07:07,836 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 02:07:08,353 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-09-17 02:07:08,682 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16384 conjuctions. This might take some time... [2019-09-17 02:08:29,455 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-09-17 02:08:29,647 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16384 conjuctions. This might take some time... [2019-09-17 02:12:12,749 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:12:12,750 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:12:12,753 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 74244#true [2019-09-17 02:12:12,768 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:12:12,769 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:12:12,771 INFO L168 Benchmark]: Toolchain (without parser) took 306205.41 ms. Allocated memory was 136.8 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 84.4 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-09-17 02:12:12,772 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:12:12,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.54 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 84.2 MB in the beginning and 176.4 MB in the end (delta: -92.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:12:12,774 INFO L168 Benchmark]: Boogie Preprocessor took 43.13 ms. Allocated memory is still 198.2 MB. Free memory was 176.4 MB in the beginning and 174.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-17 02:12:12,775 INFO L168 Benchmark]: RCFGBuilder took 732.97 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 128.9 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:12:12,776 INFO L168 Benchmark]: Sifa took 305032.58 ms. Allocated memory was 198.2 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 128.9 MB in the beginning and 1.1 GB in the end (delta: -963.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-09-17 02:12:12,780 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 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 392.54 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 84.2 MB in the beginning and 176.4 MB in the end (delta: -92.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.13 ms. Allocated memory is still 198.2 MB. Free memory was 176.4 MB in the beginning and 174.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 732.97 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 128.9 MB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. * Sifa took 305032.58 ms. Allocated memory was 198.2 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 128.9 MB in the beginning and 1.1 GB in the end (delta: -963.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 304989, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 20904, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 19298, TOOLS_POST_TIME[ms]: 107826, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 8, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 19301, TOOLS_QUANTIFIERELIM_TIME[ms]: 96693, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 803, FLUID_QUERY_TIME[ms]: 124, FLUID_QUERIES: 21083, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 9184, DOMAIN_JOIN_TIME[ms]: 5183, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 161642, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 179, DOMAIN_ISSUBSETEQ_TIME[ms]: 5056, DOMAIN_ISBOTTOM_APPLICATIONS: 7485, DOMAIN_ISBOTTOM_TIME[ms]: 23935, LOOP_SUMMARIZER_APPLICATIONS: 179, LOOP_SUMMARIZER_CACHE_MISSES: 179, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 140471, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 140466, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 179, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 15, DAG_COMPRESSION_TIME[ms]: 397, DAG_COMPRESSION_PROCESSED_NODES: 16562, DAG_COMPRESSION_RETAINED_NODES: 6392 - UnprovableResult [Line: 217]: 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 74244#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...