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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/locks/test_locks_7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:24:39,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:24:39,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:24:39,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:24:39,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:24:39,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:24:39,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:24:39,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:24:39,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:24:39,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:24:39,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:24:39,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:24:39,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:24:39,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:24:39,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:24:39,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:24:39,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:24:39,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:24:39,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:24:39,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:24:39,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:24:39,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:24:39,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:24:39,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:24:39,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 21:24:39,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:24:39,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:24:39,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:24:39,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:24:39,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:24:39,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:24:39,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:24:39,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:24:39,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:24:39,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:24:39,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:24:39,700 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 [2019-09-20 21:24:39,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:24:39,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:24:39,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:24:39,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:24:39,724 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:24:39,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:24:39,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:24:39,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:24:39,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:24:39,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:24:39,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:24:39,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:24:39,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:24:39,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:24:39,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:24:39,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:24:39,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:24:39,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:24:39,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:24:39,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:24:39,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:24:39,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:24:39,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:24:39,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:24:39,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:24:39,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:24:39,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:24:39,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:24:39,731 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 -> InterpretCallSummarizer 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 -> SIMPLIFY_DDA [2019-09-20 21:24:39,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:24:39,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:24:39,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:24:39,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:24:39,819 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:24:39,819 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_7.c [2019-09-20 21:24:39,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60c9fc7b/921d4545ca444616aef2a89a707eadae/FLAG7601dce41 [2019-09-20 21:24:40,325 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:24:40,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_7.c [2019-09-20 21:24:40,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60c9fc7b/921d4545ca444616aef2a89a707eadae/FLAG7601dce41 [2019-09-20 21:24:40,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c60c9fc7b/921d4545ca444616aef2a89a707eadae [2019-09-20 21:24:40,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:24:40,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:24:40,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:24:40,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:24:40,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:24:40,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:40,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b520fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40, skipping insertion in model container [2019-09-20 21:24:40,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:40,696 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:24:40,715 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:24:40,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:24:40,883 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:24:40,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:24:40,916 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:24:40,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40 WrapperNode [2019-09-20 21:24:40,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:24:40,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:24:40,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:24:40,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:24:41,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:41,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:41,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:41,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:41,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:41,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:41,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40" (1/1) ... [2019-09-20 21:24:41,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:24:41,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:24:41,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:24:41,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:24:41,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:24:40" (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 [2019-09-20 21:24:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:24:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:24:41,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:24:41,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:24:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:24:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:24:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:24:41,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:24:41,529 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:24:41,529 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 21:24:41,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:24:41 BoogieIcfgContainer [2019-09-20 21:24:41,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:24:41,531 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:24:41,531 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:24:41,531 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:24:41,533 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:24:41" (1/1) ... [2019-09-20 21:24:41,533 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:24:41,556 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:24:41,557 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:24:41,566 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:24:41,577 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:24:41,579 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:24:41,627 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 21:24:41,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-20 21:24:41,760 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2019-09-20 21:24:42,401 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-09-20 21:24:42,719 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 21:24:42,926 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 21:24:43,339 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 21:24:43,455 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 21:24:43,468 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-20 21:24:43,510 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-20 21:24:44,259 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-20 21:24:44,470 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 21:24:44,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-20 21:24:44,860 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-09-20 21:24:46,049 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:24:46,049 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:24:46,051 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1510#true [2019-09-20 21:24:46,064 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:24:46,064 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:24:46,066 INFO L168 Benchmark]: Toolchain (without parser) took 5385.63 ms. Allocated memory was 142.1 MB in the beginning and 285.2 MB in the end (delta: 143.1 MB). Free memory was 90.3 MB in the beginning and 115.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:46,067 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 142.1 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:24:46,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.34 ms. Allocated memory is still 142.1 MB. Free memory was 89.9 MB in the beginning and 79.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:46,069 INFO L168 Benchmark]: Boogie Preprocessor took 126.64 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 79.9 MB in the beginning and 178.5 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:46,069 INFO L168 Benchmark]: RCFGBuilder took 485.76 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 152.6 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:46,070 INFO L168 Benchmark]: Sifa took 4533.54 ms. Allocated memory was 201.3 MB in the beginning and 285.2 MB in the end (delta: 83.9 MB). Free memory was 152.6 MB in the beginning and 115.6 MB in the end (delta: 37.0 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:46,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 142.1 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.34 ms. Allocated memory is still 142.1 MB. Free memory was 89.9 MB in the beginning and 79.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.64 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 79.9 MB in the beginning and 178.5 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 485.76 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 152.6 MB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Sifa took 4533.54 ms. Allocated memory was 201.3 MB in the beginning and 285.2 MB in the end (delta: 83.9 MB). Free memory was 152.6 MB in the beginning and 115.6 MB in the end (delta: 37.0 MB). Peak memory consumption was 120.9 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]: 4495, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 108, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 94, TOOLS_POST_TIME[ms]: 73, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 7, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 97, TOOLS_QUANTIFIERELIM_TIME[ms]: 54, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 110, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 51, DOMAIN_JOIN_TIME[ms]: 3766, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME[ms]: 190, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 268, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 43, DOMAIN_ISBOTTOM_TIME[ms]: 74, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3016, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3016, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 441, DAG_COMPRESSION_RETAINED_NODES: 159 - UnprovableResult [Line: 119]: 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 1510#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...