/usr/bin/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-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:09:24,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:09:24,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:09:24,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:09:24,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:09:24,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:09:24,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:09:25,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:09:25,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:09:25,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:09:25,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:09:25,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:09:25,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:09:25,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:09:25,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:09:25,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:09:25,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:09:25,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:09:25,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:09:25,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:09:25,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:09:25,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:09:25,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:09:25,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:09:25,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:09:25,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:09:25,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:09:25,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:09:25,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:09:25,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:09:25,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:09:25,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:09:25,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:09:25,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:09:25,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:09:25,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:09:25,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:09:25,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:09:25,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:09:25,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:09:25,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:09:25,064 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 [2019-11-07 10:09:25,083 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:09:25,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:09:25,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:09:25,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:09:25,087 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:09:25,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:09:25,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:09:25,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:09:25,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:09:25,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:09:25,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:09:25,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:09:25,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:09:25,090 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:09:25,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:09:25,090 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:09:25,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:09:25,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:09:25,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:09:25,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:09:25,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:09:25,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:09:25,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:09:25,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:09:25,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:09:25,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:09:25,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:09:25,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:09:25,093 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 [2019-11-07 10:09:25,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:09:25,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:09:25,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:09:25,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:09:25,378 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:09:25,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-11-07 10:09:25,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fa69935/5a745fb7e16a4c2da2959ef2e4295bd8/FLAG6a030deba [2019-11-07 10:09:25,903 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:09:25,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-11-07 10:09:25,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fa69935/5a745fb7e16a4c2da2959ef2e4295bd8/FLAG6a030deba [2019-11-07 10:09:26,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44fa69935/5a745fb7e16a4c2da2959ef2e4295bd8 [2019-11-07 10:09:26,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:09:26,283 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:09:26,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:26,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:09:26,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:09:26,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670df080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26, skipping insertion in model container [2019-11-07 10:09:26,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:09:26,329 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:09:26,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:26,511 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:09:26,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:26,640 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:09:26,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26 WrapperNode [2019-11-07 10:09:26,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:26,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:09:26,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:09:26,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:09:26,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26" (1/1) ... [2019-11-07 10:09:26,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:09:26,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:09:26,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:09:26,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:09:26,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:26" (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 [2019-11-07 10:09:26,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:09:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:09:26,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:09:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:09:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:09:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:09:26,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:09:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:09:26,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:09:27,106 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:09:27,106 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 10:09:27,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:27 BoogieIcfgContainer [2019-11-07 10:09:27,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:09:27,108 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:09:27,108 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:09:27,108 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:09:27,110 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:27" (1/1) ... [2019-11-07 10:09:27,110 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 [2019-11-07 10:09:27,135 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:09:27,135 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:09:27,143 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:09:27,151 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:09:27,152 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:09:27,217 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2019-11-07 10:09:27,301 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:27,438 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:27,739 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-11-07 10:09:28,423 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:28,426 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:28,554 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:28,837 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:28,896 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:29,253 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:29,255 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:29,324 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:29,444 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:29,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-07 10:09:29,845 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:09:29,861 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:09:29,861 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:09:29,865 INFO L168 Benchmark]: Toolchain (without parser) took 3580.20 ms. Allocated memory was 138.9 MB in the beginning and 280.0 MB in the end (delta: 141.0 MB). Free memory was 102.8 MB in the beginning and 144.4 MB in the end (delta: -41.6 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:29,866 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 10:09:29,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.34 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.4 MB in the beginning and 182.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:29,869 INFO L168 Benchmark]: Boogie Preprocessor took 51.04 ms. Allocated memory is still 203.9 MB. Free memory was 182.8 MB in the beginning and 181.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:29,871 INFO L168 Benchmark]: RCFGBuilder took 410.37 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 164.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:29,877 INFO L168 Benchmark]: Sifa took 2753.48 ms. Allocated memory was 203.9 MB in the beginning and 280.0 MB in the end (delta: 76.0 MB). Free memory was 164.8 MB in the beginning and 144.4 MB in the end (delta: 20.4 MB). Peak memory consumption was 96.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:09:29,888 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 357.34 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.4 MB in the beginning and 182.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.04 ms. Allocated memory is still 203.9 MB. Free memory was 182.8 MB in the beginning and 181.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 410.37 ms. Allocated memory is still 203.9 MB. Free memory was 180.8 MB in the beginning and 164.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Sifa took 2753.48 ms. Allocated memory was 203.9 MB in the beginning and 280.0 MB in the end (delta: 76.0 MB). Free memory was 164.8 MB in the beginning and 144.4 MB in the end (delta: 20.4 MB). Peak memory consumption was 96.4 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]: 2711, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 166, TOOLS_POST_TIME[ms]: 245, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 169, TOOLS_QUANTIFIERELIM_TIME[ms]: 198, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 229, FLUID_YES_ANSWERS: 12, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 705, DOMAIN_ALPHA_APPLICATIONS: 12, DOMAIN_ALPHA_TIME[ms]: 1065, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 430, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME[ms]: 89, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME[ms]: 45, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2435, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2434, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 23, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 272, DAG_COMPRESSION_RETAINED_NODES: 79 - UnprovableResult [Line: 97]: 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 664#(and (= 0 main_~main____CPAchecker_TMP_0~1) (<= ~__tmp_94_0~0 2147483647) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (= (ite (= (mod (ite (and (not (= 0 (mod (mod main_~main__x~0 4294967296) 3))) (< (mod main_~main__x~0 4294967296) 0)) (+ (mod (mod main_~main__x~0 4294967296) 3) (- 3)) (mod (mod main_~main__x~0 4294967296) 3)) 4294967296) 0) 1 0) main_~__tmp_1~0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (or (and (<= 0 ~__return_121~0) (<= |old(~__return_121~0)| 0) (<= 0 ~__return_main~0) (<= |old(~__tmp_91_1~0)| 0) (<= 0 |old(~__tmp_112_0~0)|) (<= ~__return_main~0 0) (<= main_~main__y~0 0) (<= |old(~__tmp_88_0~0)| 0) (<= |old(~__tmp_88_1~0)| 0) (<= |old(~__tmp_94_0~0)| 0) (<= |old(~__tmp_93_0~0)| 0) (<= 0 |old(~__tmp_91_0~0)|) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (<= 0 |old(~__tmp_88_1~0)|) (= main_~main__y~0 0) (<= 0 |old(~__tmp_88_0~0)|) (<= 0 |old(~__tmp_93_0~0)|) (<= 0 |old(~__tmp_91_1~0)|) (<= 0 |old(~__tmp_94_0~0)|) (<= |old(~__tmp_112_0~0)| 0) (<= 0 |old(~__return_121~0)|) (<= ~__return_121~0 0) (<= 0 main_~main__y~0) (<= 0 ~__tmp_91_1~0)) (and (<= 0 ~__return_121~0) (<= |old(~__return_121~0)| 0) (<= 0 ~__return_main~0) (<= |old(~__tmp_91_1~0)| 0) (<= 0 |old(~__tmp_112_0~0)|) (<= ~__return_main~0 0) (<= 0 (+ ~__tmp_93_0~0 2147483648)) (<= ~__tmp_93_0~0 2147483647) (<= main_~main__y~0 0) (<= |old(~__tmp_88_0~0)| 0) (<= |old(~__tmp_88_1~0)| 0) (<= |old(~__tmp_94_0~0)| 0) (<= |old(~__tmp_93_0~0)| 0) (<= 0 |old(~__tmp_91_0~0)|) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (<= 0 |old(~__tmp_88_1~0)|) (= ~__tmp_94_0~0 main_~main____CPAchecker_TMP_0~0) (<= 0 |old(~__tmp_88_0~0)|) (<= 0 |old(~__tmp_93_0~0)|) (<= 0 |old(~__tmp_91_1~0)|) (<= 0 |old(~__tmp_94_0~0)|) (<= |old(~__tmp_112_0~0)| 0) (<= 0 |old(~__return_121~0)|) (= ~__tmp_93_0~0 ~__tmp_94_0~0) (<= ~__return_121~0 0) (<= 0 main_~main__y~0) (<= 0 ~__tmp_91_1~0))) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (<= |old(~__tmp_91_0~0)| 0) (<= ~__tmp_91_1~0 0) (<= 0 (+ ~__tmp_94_0~0 2147483648)) (= 0 (mod main_~main__y~0 4294967296)) (<= main_~main____CPAchecker_TMP_0~0 2147483647)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...