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/float-benchs/rlim_invariant.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:36:16,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:36:16,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:36:16,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:36:16,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:36:16,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:36:16,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:36:16,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:36:16,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:36:16,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:36:16,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:36:16,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:36:16,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:36:16,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:36:16,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:36:16,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:36:16,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:36:16,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:36:16,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:36:16,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:36:16,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:36:16,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:36:16,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:36:16,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:36:16,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:36:16,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:36:16,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:36:16,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:36:16,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:36:16,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:36:16,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:36:16,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:36:16,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:36:16,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:36:16,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:36:16,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:36:16,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:36:16,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:36:16,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:36:16,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:36:16,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:36:16,739 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 [2019-09-06 08:36:16,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:36:16,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:36:16,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:36:16,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:36:16,764 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:36:16,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:36:16,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:36:16,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:36:16,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:36:16,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:36:16,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:36:16,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:36:16,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:36:16,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:36:16,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:36:16,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:36:16,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:36:16,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:36:16,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:36:16,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:36:16,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:36:16,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:36:16,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:36:16,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:36:16,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:36:16,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:36:16,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:36:16,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:36:16,769 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 [2019-09-06 08:36:16,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:36:16,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:36:16,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:36:16,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:36:16,815 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:36:16,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2019-09-06 08:36:16,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d61492da/4bf7b240bfe14bffb039362ce9d81b92/FLAG64d3e24e4 [2019-09-06 08:36:17,278 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:36:17,278 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+lhb-reducer.c [2019-09-06 08:36:17,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d61492da/4bf7b240bfe14bffb039362ce9d81b92/FLAG64d3e24e4 [2019-09-06 08:36:17,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d61492da/4bf7b240bfe14bffb039362ce9d81b92 [2019-09-06 08:36:17,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:36:17,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:36:17,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:36:17,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:36:17,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:36:17,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:17,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350286e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17, skipping insertion in model container [2019-09-06 08:36:17,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:17,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:36:17,701 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:36:17,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:36:17,906 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:36:17,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:36:17,943 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:36:17,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17 WrapperNode [2019-09-06 08:36:17,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:36:17,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:36:17,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:36:17,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:36:18,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:18,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:18,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:18,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:18,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:18,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:18,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17" (1/1) ... [2019-09-06 08:36:18,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:36:18,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:36:18,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:36:18,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:36:18,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:17" (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 [2019-09-06 08:36:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:36:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:36:18,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:36:18,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:36:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-06 08:36:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 08:36:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:36:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:36:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:36:18,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:36:18,495 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:36:18,496 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:36:18,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:36:18 BoogieIcfgContainer [2019-09-06 08:36:18,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:36:18,498 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:36:18,498 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:36:18,498 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:36:18,499 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:36:18" (1/1) ... [2019-09-06 08:36:18,500 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 [2019-09-06 08:36:18,523 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-09-06 08:36:18,523 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:36:18,531 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:36:18,540 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:36:18,541 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:36:18,618 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-06 08:36:19,384 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:36:19,385 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:36:19,387 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 269#(and (<= main_~main____CPAchecker_TMP_2~0 1) (<= |old(~__tmp_160_2~0)| 0) (<= 1 main_~main__i~0) (<= 0 |old(~__tmp_160_2~0)|) (<= 0 ~__tmp_160_2~0) (<= 0 ~__return_main~0) (<= main_~main____CPAchecker_TMP_1~0 1) (<= ~__tmp_160_0~0 1) (<= ~__return_main~0 0) (<= |old(~__tmp_160_1~0)| 0) (<= 0 |old(~__return_165~0)|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~__VERIFIER_assert__cond~1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= main_~main____CPAchecker_TMP_2~1 1) (<= 1 ~__tmp_160_1~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 main_~main____CPAchecker_TMP_2~1) (<= 1 main_~main____CPAchecker_TMP_1~1) (<= ~__tmp_160_2~0 1) (<= 0 main_~__tmp_1~0) (<= 0 main_~__tmp_2~0) (<= 0 ~__return_165~0) (<= main_~main____CPAchecker_TMP_1~1 1) (<= main_~__VERIFIER_assert__cond~1 0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= 0 |old(~__tmp_160_0~0)|) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~main____CPAchecker_TMP_0~1 1) (<= |old(~__tmp_160_0~0)| 0) (<= |old(~__return_165~0)| 0) (<= 0 |old(~__tmp_160_1~0)|) (<= ~__return_165~0 0) (<= 1 main_~main____CPAchecker_TMP_1~0) (<= ~__tmp_160_1~0 1)) [2019-09-06 08:36:19,388 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 80#(and (<= 0 main_~main__i~0) (<= |old(~__tmp_160_2~0)| 0) (<= 0 ~__tmp_160_0~0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= 0 |old(~__tmp_160_2~0)|) (<= ~__tmp_160_0~0 0) (<= 0 ~__tmp_160_2~0) (<= 0 ~__return_main~0) (<= main_~main____CPAchecker_TMP_1~0 1) (<= ~__return_main~0 0) (<= |old(~__tmp_160_1~0)| 0) (<= 0 |old(~__return_165~0)|) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= main_~main__i~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= ~__tmp_160_2~0 0) (<= 0 ~__return_165~0) (<= 0 ~__tmp_160_1~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= 0 |old(~__tmp_160_0~0)|) (<= |old(~__tmp_160_0~0)| 0) (<= |old(~__return_165~0)| 0) (<= 0 |old(~__tmp_160_1~0)|) (<= main_~main____CPAchecker_TMP_2~0 0) (<= ~__return_165~0 0) (<= 1 main_~main____CPAchecker_TMP_1~0) (<= ~__tmp_160_1~0 0)) [2019-09-06 08:36:19,406 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:36:19,407 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:36:19,410 INFO L168 Benchmark]: Toolchain (without parser) took 1749.50 ms. Allocated memory was 133.7 MB in the beginning and 225.4 MB in the end (delta: 91.8 MB). Free memory was 90.1 MB in the beginning and 180.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,412 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.90 ms. Allocated memory is still 133.7 MB. Free memory was 89.9 MB in the beginning and 78.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,415 INFO L168 Benchmark]: Boogie Preprocessor took 134.86 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 78.5 MB in the beginning and 175.6 MB in the end (delta: -97.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,416 INFO L168 Benchmark]: RCFGBuilder took 417.71 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 156.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,421 INFO L168 Benchmark]: Sifa took 908.99 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 156.3 MB in the beginning and 180.0 MB in the end (delta: -23.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:19,429 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 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 283.90 ms. Allocated memory is still 133.7 MB. Free memory was 89.9 MB in the beginning and 78.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.86 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 78.5 MB in the beginning and 175.6 MB in the end (delta: -97.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 417.71 ms. Allocated memory is still 199.8 MB. Free memory was 175.6 MB in the beginning and 156.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Sifa took 908.99 ms. Allocated memory was 199.8 MB in the beginning and 225.4 MB in the end (delta: 25.7 MB). Free memory was 156.3 MB in the beginning and 180.0 MB in the end (delta: -23.6 MB). Peak memory consumption was 2.1 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]: 865, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 200, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 197, TOOLS_POST_TIME[ms]: 225, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_TIME[ms]: 185, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 203, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 65, DOMAIN_JOIN_TIME[ms]: 245, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 66, DOMAIN_ISBOTTOM_TIME[ms]: 187, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 273, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 272, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 23, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 66, DAG_COMPRESSION_PROCESSED_NODES: 936, DAG_COMPRESSION_RETAINED_NODES: 390 - UnprovableResult [Line: 118]: 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 269#(and (<= main_~main____CPAchecker_TMP_2~0 1) (<= |old(~__tmp_160_2~0)| 0) (<= 1 main_~main__i~0) (<= 0 |old(~__tmp_160_2~0)|) (<= 0 ~__tmp_160_2~0) (<= 0 ~__return_main~0) (<= main_~main____CPAchecker_TMP_1~0 1) (<= ~__tmp_160_0~0 1) (<= ~__return_main~0 0) (<= |old(~__tmp_160_1~0)| 0) (<= 0 |old(~__return_165~0)|) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~__VERIFIER_assert__cond~1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= main_~main____CPAchecker_TMP_2~1 1) (<= 1 ~__tmp_160_1~0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 main_~main____CPAchecker_TMP_2~1) (<= 1 main_~main____CPAchecker_TMP_1~1) (<= ~__tmp_160_2~0 1) (<= 0 main_~__tmp_1~0) (<= 0 main_~__tmp_2~0) (<= 0 ~__return_165~0) (<= main_~main____CPAchecker_TMP_1~1 1) (<= main_~__VERIFIER_assert__cond~1 0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= 0 |old(~__tmp_160_0~0)|) (<= main_~__tmp_1~0 1) (<= main_~__tmp_2~0 1) (<= main_~main____CPAchecker_TMP_0~1 1) (<= |old(~__tmp_160_0~0)| 0) (<= |old(~__return_165~0)| 0) (<= 0 |old(~__tmp_160_1~0)|) (<= ~__return_165~0 0) (<= 1 main_~main____CPAchecker_TMP_1~0) (<= ~__tmp_160_1~0 1)). Possible FailurePath: - UnprovableResult [Line: 62]: 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 80#(and (<= 0 main_~main__i~0) (<= |old(~__tmp_160_2~0)| 0) (<= 0 ~__tmp_160_0~0) (<= 1 main_~main____CPAchecker_TMP_0~0) (<= 0 |old(~__tmp_160_2~0)|) (<= ~__tmp_160_0~0 0) (<= 0 ~__tmp_160_2~0) (<= 0 ~__return_main~0) (<= main_~main____CPAchecker_TMP_1~0 1) (<= ~__return_main~0 0) (<= |old(~__tmp_160_1~0)| 0) (<= 0 |old(~__return_165~0)|) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= main_~main__i~0 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= ~__tmp_160_2~0 0) (<= 0 ~__return_165~0) (<= 0 ~__tmp_160_1~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= main_~main____CPAchecker_TMP_0~0 1) (<= 0 |old(~__tmp_160_0~0)|) (<= |old(~__tmp_160_0~0)| 0) (<= |old(~__return_165~0)| 0) (<= 0 |old(~__tmp_160_1~0)|) (<= main_~main____CPAchecker_TMP_2~0 0) (<= ~__return_165~0 0) (<= 1 main_~main____CPAchecker_TMP_1~0) (<= ~__tmp_160_1~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...