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/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:06:05,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:06:05,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:06:05,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:06:05,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:06:05,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:06:05,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:06:05,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:06:05,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:06:05,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:06:05,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:06:05,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:06:05,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:06:05,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:06:05,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:06:05,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:06:05,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:06:05,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:06:05,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:06:05,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:06:05,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:06:05,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:06:05,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:06:05,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:06:05,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 02:06:05,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:06:05,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:06:05,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:06:05,614 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 02:06:05,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:06:05,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:06:05,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:06:05,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:06:05,647 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:06:05,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:06:05,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:06:05,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:06:05,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:06:05,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:06:05,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:06:05,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:06:05,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:06:05,648 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:06:05,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:06:05,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:06:05,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:06:05,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:06:05,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:06:05,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:06:05,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:06:05,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:06:05,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:06:05,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:06:05,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:06:05,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:06:05,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:06:05,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:06:05,653 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 02:06:05,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:06:05,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:06:05,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:06:05,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:06:05,716 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:06:05,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-17 02:06:05,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f10eb110/77c8ce8e1bc7497f8846c6cae369e2e7/FLAGd23656d40 [2019-09-17 02:06:06,275 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:06:06,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-17 02:06:06,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f10eb110/77c8ce8e1bc7497f8846c6cae369e2e7/FLAGd23656d40 [2019-09-17 02:06:06,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f10eb110/77c8ce8e1bc7497f8846c6cae369e2e7 [2019-09-17 02:06:06,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:06:06,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:06:06,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:06,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:06:06,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:06:06,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:06" (1/1) ... [2019-09-17 02:06:06,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373ef01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:06, skipping insertion in model container [2019-09-17 02:06:06,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:06" (1/1) ... [2019-09-17 02:06:06,690 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:06:06,712 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:06:06,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:06,949 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:06:06,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:07,076 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:06:07,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07 WrapperNode [2019-09-17 02:06:07,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:07,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:06:07,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:06:07,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:06:07,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:06:07,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:06:07,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:06:07,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:06:07,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (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 02:06:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:06:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:06:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:06:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:06:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:06:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 02:06:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:06:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:06:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:06:07,446 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:06:07,447 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 02:06:07,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:07 BoogieIcfgContainer [2019-09-17 02:06:07,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:06:07,449 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:06:07,449 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:06:07,449 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:06:07,451 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,451 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 02:06:07,494 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:06:07,494 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:06:07,508 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:06:07,518 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:06:07,520 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:06:07,599 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2019-09-17 02:06:07,704 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 02:06:08,600 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5526 conjuctions. This might take some time... [2019-09-17 02:06:12,236 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6750 conjuctions. This might take some time... [2019-09-17 02:06:19,581 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 02:06:19,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 02:06:20,419 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:06:20,419 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:06:20,422 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 11285#(and (= main_~main____CPAchecker_TMP_0~1 0) (= main_~__VERIFIER_assert__cond~0 0)) [2019-09-17 02:06:20,437 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:06:20,437 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:06:20,439 INFO L168 Benchmark]: Toolchain (without parser) took 13765.76 ms. Allocated memory was 132.6 MB in the beginning and 262.1 MB in the end (delta: 129.5 MB). Free memory was 86.9 MB in the beginning and 183.8 MB in the end (delta: -96.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:20,440 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:06:20,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.17 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 176.7 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:20,442 INFO L168 Benchmark]: Boogie Preprocessor took 29.71 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 174.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:20,443 INFO L168 Benchmark]: RCFGBuilder took 341.11 ms. Allocated memory is still 199.2 MB. Free memory was 174.5 MB in the beginning and 157.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:20,444 INFO L168 Benchmark]: Sifa took 12988.10 ms. Allocated memory was 199.2 MB in the beginning and 262.1 MB in the end (delta: 62.9 MB). Free memory was 157.8 MB in the beginning and 183.8 MB in the end (delta: -26.1 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:20,448 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 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 403.17 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 176.7 MB in the end (delta: -90.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.71 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 174.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.11 ms. Allocated memory is still 199.2 MB. Free memory was 174.5 MB in the beginning and 157.8 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Sifa took 12988.10 ms. Allocated memory was 199.2 MB in the beginning and 262.1 MB in the end (delta: 62.9 MB). Free memory was 157.8 MB in the beginning and 183.8 MB in the end (delta: -26.1 MB). Peak memory consumption was 36.8 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]: 12928, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 269, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 249, TOOLS_POST_TIME[ms]: 465, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 35, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 252, TOOLS_QUANTIFIERELIM_TIME[ms]: 389, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 303, FLUID_YES_ANSWERS: 30, DOMAIN_JOIN_APPLICATIONS: 58, DOMAIN_JOIN_TIME[ms]: 14, DOMAIN_ALPHA_APPLICATIONS: 30, DOMAIN_ALPHA_TIME[ms]: 9422, DOMAIN_WIDEN_APPLICATIONS: 16, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 34, DOMAIN_ISSUBSETEQ_TIME[ms]: 2741, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME[ms]: 96, LOOP_SUMMARIZER_APPLICATIONS: 18, LOOP_SUMMARIZER_CACHE_MISSES: 18, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12722, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12721, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 34, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 8, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 269, DAG_COMPRESSION_RETAINED_NODES: 111 - UnprovableResult [Line: 97]: 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 11285#(and (= main_~main____CPAchecker_TMP_0~1 0) (= main_~__VERIFIER_assert__cond~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...