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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test21-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:26:52,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:26:52,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:26:52,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:26:52,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:26:52,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:26:52,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:26:52,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:26:52,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:26:52,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:26:52,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:26:52,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:26:52,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:26:52,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:26:52,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:26:52,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:26:52,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:26:52,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:26:52,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:26:52,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:26:52,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:26:52,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:26:52,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:26:52,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:26:52,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 22:26:52,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:26:52,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:26:52,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:26:52,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:26:52,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:26:52,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:26:52,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:26:52,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:26:52,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:26:52,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:26:52,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:26:52,592 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 22:26:52,606 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:26:52,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:26:52,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:26:52,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:26:52,608 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:26:52,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:26:52,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:26:52,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:26:52,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:26:52,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:26:52,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:26:52,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:26:52,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:26:52,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:26:52,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:26:52,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:26:52,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:26:52,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:26:52,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:26:52,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:26:52,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:26:52,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:26:52,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:26:52,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:26:52,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:26:52,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:26:52,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:26:52,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:26:52,613 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:26:52,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:26:52,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:26:52,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:26:52,664 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:26:52,664 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:26:52,665 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-1.c [2019-09-20 22:26:52,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a2f0ac3/d69fc184548348f5845b0f501525a1f4/FLAG70ae3bc81 [2019-09-20 22:26:53,184 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:26:53,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-1.c [2019-09-20 22:26:53,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a2f0ac3/d69fc184548348f5845b0f501525a1f4/FLAG70ae3bc81 [2019-09-20 22:26:53,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a2f0ac3/d69fc184548348f5845b0f501525a1f4 [2019-09-20 22:26:53,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:26:53,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:26:53,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:26:53,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:26:53,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:26:53,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fe4094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53, skipping insertion in model container [2019-09-20 22:26:53,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,619 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:26:53,636 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:26:53,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:26:53,821 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:26:53,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:26:53,947 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:26:53,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53 WrapperNode [2019-09-20 22:26:53,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:26:53,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:26:53,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:26:53,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:26:53,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53" (1/1) ... [2019-09-20 22:26:53,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:26:53,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:26:53,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:26:53,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:26:53,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:53" (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 22:26:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:26:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:26:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 22:26:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 22:26:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 22:26:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:26:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:26:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:26:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 22:26:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 22:26:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:26:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 22:26:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 22:26:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:26:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:26:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:26:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:26:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:26:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:26:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:26:54,378 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:26:54,378 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 22:26:54,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:26:54 BoogieIcfgContainer [2019-09-20 22:26:54,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:26:54,380 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:26:54,380 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:26:54,380 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:26:54,382 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:26:54" (1/1) ... [2019-09-20 22:26:54,383 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:26:54,408 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:26:54,408 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:26:54,416 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:26:54,430 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:26:54,440 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:26:54,698 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 22:26:54,905 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 22:26:55,028 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 3 for LOIs [2019-09-20 22:26:55,237 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-20 22:26:55,394 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 22:26:55,586 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:26:55,586 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:26:55,589 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 49#true [2019-09-20 22:26:55,608 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:26:55,608 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:26:55,611 INFO L168 Benchmark]: Toolchain (without parser) took 2005.02 ms. Allocated memory was 135.3 MB in the beginning and 230.7 MB in the end (delta: 95.4 MB). Free memory was 91.2 MB in the beginning and 170.1 MB in the end (delta: -78.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:55,612 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:26:55,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.54 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 91.0 MB in the beginning and 179.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:55,616 INFO L168 Benchmark]: Boogie Preprocessor took 34.38 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 177.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:55,622 INFO L168 Benchmark]: RCFGBuilder took 396.00 ms. Allocated memory is still 201.9 MB. Free memory was 177.0 MB in the beginning and 156.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:55,623 INFO L168 Benchmark]: Sifa took 1228.32 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 156.5 MB in the beginning and 170.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:55,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 342.54 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 91.0 MB in the beginning and 179.3 MB in the end (delta: -88.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.38 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 177.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 396.00 ms. Allocated memory is still 201.9 MB. Free memory was 177.0 MB in the beginning and 156.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Sifa took 1228.32 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 156.5 MB in the beginning and 170.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 15.2 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]: 1183, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 16, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 771, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 21, TOOLS_QUANTIFIERELIM_TIME[ms]: 788, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 399, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 16, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 249, DOMAIN_ALPHA_APPLICATIONS: 16, DOMAIN_ALPHA_TIME[ms]: 42, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1034, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1033, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 64, DAG_COMPRESSION_RETAINED_NODES: 33 - UnprovableResult [Line: 42]: 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 49#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...