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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 09:27:59,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 09:27:59,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 09:27:59,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 09:27:59,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 09:27:59,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 09:27:59,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 09:27:59,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 09:27:59,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 09:27:59,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 09:27:59,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 09:27:59,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 09:27:59,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 09:27:59,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 09:27:59,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 09:27:59,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 09:27:59,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 09:27:59,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 09:27:59,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 09:27:59,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 09:27:59,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 09:27:59,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 09:27:59,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 09:27:59,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 09:27:59,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 09:27:59,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 09:27:59,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 09:27:59,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 09:27:59,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 09:27:59,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 09:27:59,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 09:27:59,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 09:27:59,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 09:27:59,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 09:27:59,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 09:27:59,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 09:27:59,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 09:27:59,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 09:27:59,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 09:27:59,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 09:27:59,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 09:27:59,693 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 [2019-10-04 09:27:59,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 09:27:59,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 09:27:59,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 09:27:59,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 09:27:59,733 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 09:27:59,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 09:27:59,733 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 09:27:59,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 09:27:59,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 09:27:59,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 09:27:59,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 09:27:59,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 09:27:59,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 09:27:59,740 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 09:27:59,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 09:27:59,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 09:27:59,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 09:27:59,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 09:27:59,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 09:27:59,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 09:27:59,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 09:27:59,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 09:27:59,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 09:27:59,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 09:27:59,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 09:27:59,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 09:27:59,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 09:27:59,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 09:27:59,743 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 09:27:59,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 09:27:59,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 09:27:59,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 09:27:59,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 09:27:59,812 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 09:27:59,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-10-04 09:27:59,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed2cbb66/47d39efda26e45aeb4152287bff64576/FLAG1f5df357c [2019-10-04 09:28:00,332 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 09:28:00,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2019-10-04 09:28:00,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed2cbb66/47d39efda26e45aeb4152287bff64576/FLAG1f5df357c [2019-10-04 09:28:00,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed2cbb66/47d39efda26e45aeb4152287bff64576 [2019-10-04 09:28:00,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 09:28:00,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 09:28:00,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 09:28:00,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 09:28:00,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 09:28:00,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:00,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52da3fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00, skipping insertion in model container [2019-10-04 09:28:00,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:00,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 09:28:00,766 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 09:28:00,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:28:00,965 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 09:28:00,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 09:28:00,995 INFO L192 MainTranslator]: Completed translation [2019-10-04 09:28:00,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00 WrapperNode [2019-10-04 09:28:00,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 09:28:00,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 09:28:00,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 09:28:00,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 09:28:01,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:01,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:01,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:01,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:01,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:01,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:01,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00" (1/1) ... [2019-10-04 09:28:01,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 09:28:01,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 09:28:01,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 09:28:01,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 09:28:01,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 09:28:00" (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 [2019-10-04 09:28:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 09:28:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 09:28:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 09:28:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 09:28:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 09:28:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-04 09:28:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 09:28:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 09:28:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 09:28:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 09:28:01,352 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 09:28:01,353 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-04 09:28:01,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:28:01 BoogieIcfgContainer [2019-10-04 09:28:01,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 09:28:01,355 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 09:28:01,355 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 09:28:01,355 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 09:28:01,356 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 09:28:01" (1/1) ... [2019-10-04 09:28:01,357 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 09:28:01,386 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 09:28:01,387 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 09:28:01,394 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 09:28:01,403 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 09:28:01,405 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 09:28:01,532 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-10-04 09:28:01,911 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 09:28:01,912 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 09:28:01,914 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 49#(and (<= ~__return_60~0 0) (<= 0 main_~main__sum~0) (<= 1 main_~main__i~0) (<= 0 ~__return_60~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_main~0 0) (not (<= main_~main__i~0 main_~main__n~0)) (<= 0 |old(~__return_60~0)|) (<= main_~main__n~0 1000) (= main_~__tmp_1~0 (ite (= (* main_~main__n~0 (+ main_~main__n~0 1)) (* 2 main_~main__sum~0)) 1 0)) (<= |old(~__return_60~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__n~0) (<= main_~__tmp_1~0 0) (= ~__return_main~0 0) (<= 0 main_~__tmp_1~0) (= |old(~__return_60~0)| 0)) [2019-10-04 09:28:01,946 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 09:28:01,947 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 09:28:01,959 INFO L168 Benchmark]: Toolchain (without parser) took 1218.96 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 127.3 MB in the end (delta: -40.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:01,961 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-04 09:28:01,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.69 ms. Allocated memory is still 131.6 MB. Free memory was 87.0 MB in the beginning and 77.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:01,964 INFO L168 Benchmark]: Boogie Preprocessor took 121.27 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.5 MB in the beginning and 175.1 MB in the end (delta: -97.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:01,965 INFO L168 Benchmark]: RCFGBuilder took 235.71 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 162.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:01,968 INFO L168 Benchmark]: Sifa took 592.35 ms. Allocated memory is still 198.7 MB. Free memory was 162.8 MB in the beginning and 127.3 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-10-04 09:28:01,981 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.69 ms. Allocated memory is still 131.6 MB. Free memory was 87.0 MB in the beginning and 77.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.27 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.5 MB in the beginning and 175.1 MB in the end (delta: -97.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 235.71 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 162.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Sifa took 592.35 ms. Allocated memory is still 198.7 MB. Free memory was 162.8 MB in the beginning and 127.3 MB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 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]: 528, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 18, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 24, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 30, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 236, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 166, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 348, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 348, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 70, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 70, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 25 - UnprovableResult [Line: 44]: 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 49#(and (<= ~__return_60~0 0) (<= 0 main_~main__sum~0) (<= 1 main_~main__i~0) (<= 0 ~__return_60~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_main~0 0) (not (<= main_~main__i~0 main_~main__n~0)) (<= 0 |old(~__return_60~0)|) (<= main_~main__n~0 1000) (= main_~__tmp_1~0 (ite (= (* main_~main__n~0 (+ main_~main__n~0 1)) (* 2 main_~main__sum~0)) 1 0)) (<= |old(~__return_60~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 1 main_~main__n~0) (<= main_~__tmp_1~0 0) (= ~__return_main~0 0) (<= 0 main_~__tmp_1~0) (= |old(~__return_60~0)| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...