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/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:26:53,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:26:53,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:26:53,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:26:53,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:26:53,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:26:53,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:26:53,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:26:53,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:26:53,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:26:53,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:26:53,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:26:53,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:26:53,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:26:53,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:26:53,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:26:53,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:26:53,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:26:53,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:26:53,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:26:53,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:26:53,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:26:53,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:26:53,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:26:53,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:26:53,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:26:53,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:26:53,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:26:53,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:26:53,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:26:53,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:26:53,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:26:53,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:26:53,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:26:53,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:26:53,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:26:53,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:26:53,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:26:53,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:26:53,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:26:53,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:26:53,684 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 22:26:53,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:26:53,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:26:53,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:26:53,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:26:53,700 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:26:53,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:26:53,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:26:53,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:26:53,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:26:53,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:26:53,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:26:53,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:26:53,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:26:53,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:26:53,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:26:53,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:26:53,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:26:53,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:26:53,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:26:53,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:26:53,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:26:53,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:26:53,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:26:53,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:26:53,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:26:53,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:26:53,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:26:53,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:26:53,705 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 22:26:53,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:26:53,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:26:53,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:26:53,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:26:53,755 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:26:53,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-20 22:26:53,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0d76a95/1e5e12a0ac21496fadd2b16eb679c24b/FLAGca198ef23 [2019-09-20 22:26:54,272 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:26:54,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-20 22:26:54,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0d76a95/1e5e12a0ac21496fadd2b16eb679c24b/FLAGca198ef23 [2019-09-20 22:26:54,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c0d76a95/1e5e12a0ac21496fadd2b16eb679c24b [2019-09-20 22:26:54,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:26:54,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:26:54,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:26:54,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:26:54,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:26:54,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:26:54" (1/1) ... [2019-09-20 22:26:54,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521e2d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:54, skipping insertion in model container [2019-09-20 22:26:54,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:26:54" (1/1) ... [2019-09-20 22:26:54,670 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:26:54,689 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:26:54,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:26:54,910 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:26:55,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:26:55,032 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:26:55,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55 WrapperNode [2019-09-20 22:26:55,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:26:55,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:26:55,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:26:55,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:26:55,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55" (1/1) ... [2019-09-20 22:26:55,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55" (1/1) ... [2019-09-20 22:26:55,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55" (1/1) ... [2019-09-20 22:26:55,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55" (1/1) ... [2019-09-20 22:26:55,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55" (1/1) ... [2019-09-20 22:26:55,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55" (1/1) ... [2019-09-20 22:26:55,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55" (1/1) ... [2019-09-20 22:26:55,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:26:55,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:26:55,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:26:55,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:26:55,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:26:55" (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 22:26:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:26:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:26:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 22:26:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 22:26:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 22:26:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:26:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:26:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:26:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 22:26:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 22:26:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:26:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 22:26:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 22:26:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:26:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:26:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:26:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:26:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:26:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:26:55,532 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:26:55,533 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 22:26:55,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:26:55 BoogieIcfgContainer [2019-09-20 22:26:55,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:26:55,535 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:26:55,535 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:26:55,535 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:26:55,536 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:26:55" (1/1) ... [2019-09-20 22:26:55,537 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 22:26:55,559 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:26:55,559 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:26:55,567 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:26:55,576 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:26:55,577 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:26:55,965 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-20 22:26:56,113 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 3 for LOIs [2019-09-20 22:26:56,310 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-20 22:26:56,458 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 22:26:56,800 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:26:56,800 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:26:56,802 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 81#true [2019-09-20 22:26:56,813 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:26:56,813 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:26:56,815 INFO L168 Benchmark]: Toolchain (without parser) took 2159.12 ms. Allocated memory was 134.2 MB in the beginning and 227.5 MB in the end (delta: 93.3 MB). Free memory was 88.8 MB in the beginning and 151.5 MB in the end (delta: -62.7 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:56,816 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:26:56,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.44 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 176.7 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:56,819 INFO L168 Benchmark]: Boogie Preprocessor took 43.76 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 174.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:56,821 INFO L168 Benchmark]: RCFGBuilder took 452.69 ms. Allocated memory is still 200.8 MB. Free memory was 174.9 MB in the beginning and 153.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:56,822 INFO L168 Benchmark]: Sifa took 1279.02 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 152.9 MB in the beginning and 151.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:26:56,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 375.44 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.8 MB in the beginning and 176.7 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.76 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 174.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 452.69 ms. Allocated memory is still 200.8 MB. Free memory was 174.9 MB in the beginning and 153.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Sifa took 1279.02 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 152.9 MB in the beginning and 151.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 28.1 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]: 1243, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 19, TOOLS_POST_TIME[ms]: 860, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 872, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 395, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 29, DOMAIN_JOIN_APPLICATIONS: 8, DOMAIN_JOIN_TIME[ms]: 228, DOMAIN_ALPHA_APPLICATIONS: 29, DOMAIN_ALPHA_TIME[ms]: 48, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 961, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 961, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 93, DAG_COMPRESSION_RETAINED_NODES: 47 - UnprovableResult [Line: 50]: 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 81#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...