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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-lit/gcnr2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:16:18,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:16:18,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:16:18,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:16:18,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:16:18,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:16:18,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:16:18,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:16:18,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:16:18,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:16:18,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:16:18,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:16:18,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:16:18,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:16:18,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:16:18,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:16:18,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:16:18,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:16:18,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:16:18,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:16:18,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:16:18,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:16:18,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:16:18,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:16:18,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:16:18,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:16:18,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:16:18,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:16:18,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:16:18,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:16:18,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:16:18,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:16:18,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:16:18,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:16:18,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:16:18,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:16:18,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:16:18,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:16:18,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:16:18,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:16:18,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:16:18,657 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 23:16:18,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:16:18,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:16:18,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:16:18,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:16:18,674 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:16:18,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:16:18,674 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:16:18,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:16:18,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:16:18,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:16:18,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:16:18,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:16:18,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:16:18,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:16:18,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:16:18,676 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:16:18,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:16:18,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:16:18,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:16:18,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:16:18,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:16:18,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:16:18,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:16:18,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:16:18,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:16:18,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:16:18,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:16:18,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:16:18,679 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:16:18,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:16:18,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:16:18,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:16:18,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:16:18,739 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:16:18,740 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-09-20 23:16:18,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766d71192/fbd9f18548ab48538858e97142b1ba21/FLAG65f0b33d9 [2019-09-20 23:16:19,270 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:16:19,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-09-20 23:16:19,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766d71192/fbd9f18548ab48538858e97142b1ba21/FLAG65f0b33d9 [2019-09-20 23:16:19,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766d71192/fbd9f18548ab48538858e97142b1ba21 [2019-09-20 23:16:19,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:16:19,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:16:19,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:16:19,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:16:19,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:16:19,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:19,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602e7f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19, skipping insertion in model container [2019-09-20 23:16:19,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:19,703 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:16:19,721 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:16:19,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:16:19,905 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:16:19,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:16:19,933 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:16:19,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19 WrapperNode [2019-09-20 23:16:19,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:16:19,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:16:19,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:16:19,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:16:20,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:20,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:20,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:20,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:20,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:20,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:20,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19" (1/1) ... [2019-09-20 23:16:20,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:16:20,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:16:20,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:16:20,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:16:20,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:19" (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 23:16:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:16:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:16:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 23:16:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:16:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:16:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:16:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:16:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:16:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:16:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:16:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:16:20,521 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:16:20,522 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 23:16:20,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:16:20 BoogieIcfgContainer [2019-09-20 23:16:20,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:16:20,523 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:16:20,524 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:16:20,524 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:16:20,525 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:16:20" (1/1) ... [2019-09-20 23:16:20,525 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:16:20,547 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:16:20,548 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:16:20,555 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:16:20,566 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:16:20,568 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:16:20,612 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 23:16:20,782 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2019-09-20 23:16:21,117 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 50 [2019-09-20 23:16:21,323 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-20 23:16:21,423 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 23:16:21,455 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:16:21,455 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:16:21,458 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 39#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 23:16:21,475 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:16:21,475 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:16:21,477 INFO L168 Benchmark]: Toolchain (without parser) took 1791.15 ms. Allocated memory was 134.2 MB in the beginning and 227.5 MB in the end (delta: 93.3 MB). Free memory was 90.1 MB in the beginning and 199.9 MB in the end (delta: -109.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:16:21,478 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:16:21,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.76 ms. Allocated memory is still 134.2 MB. Free memory was 89.9 MB in the beginning and 80.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:16:21,480 INFO L168 Benchmark]: Boogie Preprocessor took 117.58 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 80.4 MB in the beginning and 177.3 MB in the end (delta: -96.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:16:21,481 INFO L168 Benchmark]: RCFGBuilder took 471.38 ms. Allocated memory is still 200.8 MB. Free memory was 177.3 MB in the beginning and 157.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:16:21,482 INFO L168 Benchmark]: Sifa took 951.68 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 157.3 MB in the beginning and 199.9 MB in the end (delta: -42.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:16:21,486 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 was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.76 ms. Allocated memory is still 134.2 MB. Free memory was 89.9 MB in the beginning and 80.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.58 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 80.4 MB in the beginning and 177.3 MB in the end (delta: -96.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 471.38 ms. Allocated memory is still 200.8 MB. Free memory was 177.3 MB in the beginning and 157.3 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Sifa took 951.68 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 157.3 MB in the beginning and 199.9 MB in the end (delta: -42.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 910, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 18, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 14, TOOLS_POST_TIME[ms]: 124, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 9, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 18, TOOLS_QUANTIFIERELIM_TIME[ms]: 107, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 39, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 485, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 219, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 795, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 794, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 14, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 51, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 5]: 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 39#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...