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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/ps2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:23:04,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:23:04,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:23:04,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:23:04,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:23:04,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:23:04,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:23:04,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:23:04,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:23:04,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:23:04,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:23:04,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:23:04,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:23:04,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:23:04,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:23:04,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:23:04,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:23:04,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:23:04,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:23:04,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:23:04,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:23:04,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:23:04,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:23:04,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:23:04,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:23:04,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:23:04,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:23:04,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:23:04,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:23:04,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:23:04,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:23:04,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:23:04,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:23:04,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:23:04,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:23:04,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:23:04,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:23:04,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:23:04,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:23:04,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:23:04,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:23:04,563 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 17:23:04,577 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:23:04,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:23:04,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:23:04,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:23:04,579 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:23:04,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:23:04,579 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:23:04,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:23:04,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:23:04,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:23:04,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:23:04,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:23:04,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:23:04,581 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:23:04,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:23:04,581 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:23:04,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:23:04,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:23:04,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:23:04,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:23:04,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:23:04,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:23:04,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:23:04,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:23:04,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:23:04,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:23:04,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:23:04,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:23:04,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:23:04,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:23:04,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:23:04,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:23:04,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:23:04,634 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:23:04,635 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps2.c [2019-09-20 17:23:04,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c7b6c5d/f36660e18d50421eb766cfe14c943b01/FLAG5cf9edd09 [2019-09-20 17:23:05,110 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:23:05,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps2.c [2019-09-20 17:23:05,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c7b6c5d/f36660e18d50421eb766cfe14c943b01/FLAG5cf9edd09 [2019-09-20 17:23:05,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78c7b6c5d/f36660e18d50421eb766cfe14c943b01 [2019-09-20 17:23:05,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:23:05,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:23:05,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:05,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:23:05,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:23:05,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345ca635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05, skipping insertion in model container [2019-09-20 17:23:05,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,570 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:23:05,588 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:23:05,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:05,772 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:23:05,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:05,802 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:23:05,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05 WrapperNode [2019-09-20 17:23:05,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:05,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:23:05,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:23:05,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:23:05,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05" (1/1) ... [2019-09-20 17:23:05,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:23:05,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:23:05,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:23:05,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:23:05,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:05" (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 17:23:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:23:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:23:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:23:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:23:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:23:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:23:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:23:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:23:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:23:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:23:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:23:06,172 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:23:06,173 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:23:06,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:06 BoogieIcfgContainer [2019-09-20 17:23:06,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:23:06,175 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:23:06,175 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:23:06,175 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:23:06,176 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:06" (1/1) ... [2019-09-20 17:23:06,177 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:23:06,227 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:23:06,227 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:23:06,253 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:23:06,280 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:23:06,281 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:23:06,357 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:23:07,379 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2019-09-20 17:23:07,494 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 17:23:07,798 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-09-20 17:23:08,161 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2019-09-20 17:23:08,547 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-09-20 17:23:08,956 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-09-20 17:23:08,993 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 17:23:09,035 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:23:09,035 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:23:09,037 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 87#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:23:09,052 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:23:09,052 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:23:09,054 INFO L168 Benchmark]: Toolchain (without parser) took 3503.60 ms. Allocated memory was 133.7 MB in the beginning and 226.5 MB in the end (delta: 92.8 MB). Free memory was 89.0 MB in the beginning and 178.1 MB in the end (delta: -89.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:09,054 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 17:23:09,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.70 ms. Allocated memory is still 133.7 MB. Free memory was 89.0 MB in the beginning and 79.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:09,056 INFO L168 Benchmark]: Boogie Preprocessor took 119.29 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 79.5 MB in the beginning and 176.7 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:09,057 INFO L168 Benchmark]: RCFGBuilder took 251.55 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 165.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:09,058 INFO L168 Benchmark]: Sifa took 2877.46 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 165.1 MB in the beginning and 178.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:09,062 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.7 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.70 ms. Allocated memory is still 133.7 MB. Free memory was 89.0 MB in the beginning and 79.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.29 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 79.5 MB in the beginning and 176.7 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 251.55 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 165.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Sifa took 2877.46 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 165.1 MB in the beginning and 178.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 12.7 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]: 2810, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 45, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 78, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 114, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 33, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 2262, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 273, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1780, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1779, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 108, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 107, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 69, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 7]: 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 87#(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...