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 IntervalDomain -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 11:15:04,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 11:15:04,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 11:15:04,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 11:15:04,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 11:15:04,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 11:15:04,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 11:15:04,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 11:15:04,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 11:15:04,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 11:15:04,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 11:15:04,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 11:15:04,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 11:15:04,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 11:15:04,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 11:15:04,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 11:15:04,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 11:15:04,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 11:15:04,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 11:15:04,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 11:15:04,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 11:15:04,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 11:15:04,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 11:15:04,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 11:15:04,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 11:15:04,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 11:15:04,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 11:15:04,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 11:15:04,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 11:15:04,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 11:15:04,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 11:15:04,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 11:15:04,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 11:15:04,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 11:15:04,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 11:15:04,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 11:15:04,748 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 [2019-09-05 11:15:04,764 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 11:15:04,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 11:15:04,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 11:15:04,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 11:15:04,766 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 11:15:04,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 11:15:04,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 11:15:04,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 11:15:04,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 11:15:04,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 11:15:04,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 11:15:04,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 11:15:04,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 11:15:04,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 11:15:04,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 11:15:04,769 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 11:15:04,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 11:15:04,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 11:15:04,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 11:15:04,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 11:15:04,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 11:15:04,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:15:04,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 11:15:04,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 11:15:04,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 11:15:04,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 11:15:04,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 11:15:04,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 11:15:04,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 11:15:04,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 11:15:04,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 11:15:04,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 11:15:04,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 11:15:04,829 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 11:15:04,830 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-05 11:15:04,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d958843ea/2ffacbe9ba114e63a6d5f69298e6a062/FLAGab01697aa [2019-09-05 11:15:05,303 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 11:15:05,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-05 11:15:05,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d958843ea/2ffacbe9ba114e63a6d5f69298e6a062/FLAGab01697aa [2019-09-05 11:15:05,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d958843ea/2ffacbe9ba114e63a6d5f69298e6a062 [2019-09-05 11:15:05,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 11:15:05,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 11:15:05,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 11:15:05,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 11:15:05,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 11:15:05,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:15:05" (1/1) ... [2019-09-05 11:15:05,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2475af2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:05, skipping insertion in model container [2019-09-05 11:15:05,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:15:05" (1/1) ... [2019-09-05 11:15:05,743 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 11:15:05,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 11:15:05,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:15:05,969 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 11:15:05,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:15:06,005 INFO L192 MainTranslator]: Completed translation [2019-09-05 11:15:06,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06 WrapperNode [2019-09-05 11:15:06,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 11:15:06,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 11:15:06,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 11:15:06,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 11:15:06,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06" (1/1) ... [2019-09-05 11:15:06,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06" (1/1) ... [2019-09-05 11:15:06,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06" (1/1) ... [2019-09-05 11:15:06,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06" (1/1) ... [2019-09-05 11:15:06,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06" (1/1) ... [2019-09-05 11:15:06,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06" (1/1) ... [2019-09-05 11:15:06,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06" (1/1) ... [2019-09-05 11:15:06,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 11:15:06,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 11:15:06,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 11:15:06,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 11:15:06,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:06" (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 [2019-09-05 11:15:06,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 11:15:06,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 11:15:06,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 11:15:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 11:15:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 11:15:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 11:15:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 11:15:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 11:15:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 11:15:06,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 11:15:06,394 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 11:15:06,394 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-05 11:15:06,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:15:06 BoogieIcfgContainer [2019-09-05 11:15:06,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 11:15:06,396 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 11:15:06,396 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 11:15:06,396 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 11:15:06,397 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:15:06" (1/1) ... [2019-09-05 11:15:06,398 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 11:15:06,422 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-05 11:15:06,422 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 11:15:06,430 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 11:15:06,440 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 11:15:06,442 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 11:15:06,516 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-05 11:15:06,729 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 11:15:06,730 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 11:15:06,732 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 60#(and (<= 1 main_~__tmp_2~0) (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 1) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~__tmp_3~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_1~0) (<= main_~main__j~0 8) (<= 0 main_~__tmp_3~0) (<= 0 |old(~__return_100~0)|)) [2019-09-05 11:15:06,733 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 52#(and (<= 0 main_~__tmp_2~0) (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 0 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= main_~__tmp_2~0 0) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__return_100~0)|)) [2019-09-05 11:15:06,733 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 17#(and (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~main__j~0 0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= 0 main_~main__nlen~0) (<= main_~main__i~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 main_~main__j~0) (<= 0 |old(~__return_100~0)|)) [2019-09-05 11:15:06,760 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 11:15:06,760 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 11:15:06,763 INFO L168 Benchmark]: Toolchain (without parser) took 1036.76 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.1 MB in the beginning and 149.1 MB in the end (delta: -61.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 11:15:06,764 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 11:15:06,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.72 ms. Allocated memory is still 140.5 MB. Free memory was 86.9 MB in the beginning and 76.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:06,766 INFO L168 Benchmark]: Boogie Preprocessor took 125.14 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 76.9 MB in the beginning and 177.9 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:06,767 INFO L168 Benchmark]: RCFGBuilder took 262.84 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 164.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:06,768 INFO L168 Benchmark]: Sifa took 364.53 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 149.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:06,772 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.72 ms. Allocated memory is still 140.5 MB. Free memory was 86.9 MB in the beginning and 76.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.14 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 76.9 MB in the beginning and 177.9 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 262.84 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 164.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Sifa took 364.53 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 149.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 312 OVERALL_TIME[ms], 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 47 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 39 TOOLS_POST_APPLICATIONS, 65 TOOLS_POST_TIME[ms], 2 TOOLS_POST_CALL_APPLICATIONS, 19 TOOLS_POST_CALL_TIME[ms], 1 TOOLS_POST_RETURN_APPLICATIONS, 1 TOOLS_POST_RETURN_TIME[ms], 53 TOOLS_QUANTIFIERELIM_TIME[ms], 7 FLUID_QUERY_TIME[ms], 56 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 13 DOMAIN_JOIN_APPLICATIONS, 69 DOMAIN_JOIN_TIME[ms], 0 DOMAIN_ALPHA_APPLICATIONS, 0 DOMAIN_ALPHA_TIME[ms], 3 DOMAIN_WIDEN_APPLICATIONS, 19 DOMAIN_WIDEN_TIME[ms], 9 DOMAIN_ISSUBSETEQ_APPLICATIONS, 44 DOMAIN_ISSUBSETEQ_TIME[ms], 2 DOMAIN_ISBOTTOM_APPLICATIONS, 6 DOMAIN_ISBOTTOM_TIME[ms], 6 LOOP_SUMMARIZER_APPLICATIONS, 6 LOOP_SUMMARIZER_CACHE_MISSES, 172 LOOP_SUMMARIZER_OVERALL_TIME[ms], 171 LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 9 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 21 CALL_SUMMARIZER_OVERALL_TIME[ms], 0 CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 5 PROCEDURE_GRAPH_BUILDER_TIME[ms], 4 PATH_EXPR_TIME[ms], 3 REGEX_TO_DAG_TIME[ms], 18 DAG_COMPRESSION_TIME[ms], 112 DAG_COMPRESSION_PROCESSED_NODES, 48 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 59]: 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 60#(and (<= 1 main_~__tmp_2~0) (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= main_~__VERIFIER_assert__cond~2 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 1) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~__tmp_3~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_1~0) (<= main_~main__j~0 8) (<= 0 main_~__tmp_3~0) (<= 0 |old(~__return_100~0)|)). Possible FailurePath: - UnprovableResult [Line: 43]: 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 52#(and (<= 0 main_~__tmp_2~0) (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~1 0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main__nlen~0) (<= 0 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= main_~__tmp_2~0 0) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__return_100~0)|)). Possible FailurePath: - UnprovableResult [Line: 30]: 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 17#(and (<= 0 main_~main__i~0) (<= main_~main__nlen~0 2147483647) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_100~0) (<= 0 ~__return_main~0) (<= main_~main__j~0 0) (<= ~__return_main~0 0) (<= ~__return_100~0 0) (<= 0 main_~main__nlen~0) (<= main_~main__i~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= |old(~__return_100~0)| 0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 main_~main__j~0) (<= 0 |old(~__return_100~0)|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...