/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/array-examples/standard_copy2_ground-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:14:54,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:14:54,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:14:54,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:14:54,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:14:54,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:14:54,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:14:54,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:14:54,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:14:54,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:14:54,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:14:54,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:14:54,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:14:54,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:14:54,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:14:54,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:14:54,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:14:54,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:14:54,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:14:54,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:14:54,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:14:54,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:14:54,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:14:54,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:14:54,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:14:54,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:14:54,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:14:54,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:14:54,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:14:54,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:14:54,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:14:54,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:14:54,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:14:54,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:14:54,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:14:54,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:14:54,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:14:54,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:14:54,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:14:54,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:14:54,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:14:54,112 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 07:14:54,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:14:54,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:14:54,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:14:54,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:14:54,141 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:14:54,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:14:54,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:14:54,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:14:54,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:14:54,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:14:54,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:14:54,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:14:54,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:14:54,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:14:54,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:14:54,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:14:54,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:14:54,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:14:54,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:14:54,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:14:54,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:14:54,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:14:54,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:14:54,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:14:54,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:14:54,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:14:54,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:14:54,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:14:54,153 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 07:14:54,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:14:54,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:14:54,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:14:54,440 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:14:54,441 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:14:54,441 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy2_ground-1.i [2019-11-07 07:14:54,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61aa3f9d/9141b8f0f58c4bba8605be4b7aaddf1b/FLAG51dcb2eed [2019-11-07 07:14:54,959 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:14:54,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy2_ground-1.i [2019-11-07 07:14:54,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61aa3f9d/9141b8f0f58c4bba8605be4b7aaddf1b/FLAG51dcb2eed [2019-11-07 07:14:55,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61aa3f9d/9141b8f0f58c4bba8605be4b7aaddf1b [2019-11-07 07:14:55,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:14:55,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:14:55,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:14:55,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:14:55,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:14:55,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641f40a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55, skipping insertion in model container [2019-11-07 07:14:55,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,356 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:14:55,380 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:14:55,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:14:55,616 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:14:55,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:14:55,655 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:14:55,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55 WrapperNode [2019-11-07 07:14:55,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:14:55,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:14:55,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:14:55,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:14:55,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55" (1/1) ... [2019-11-07 07:14:55,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:14:55,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:14:55,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:14:55,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:14:55,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:55" (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 07:14:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:14:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:14:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 07:14:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:14:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:14:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 07:14:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:14:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:14:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 07:14:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:14:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:14:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:14:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:14:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:14:56,224 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:14:56,224 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 07:14:56,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:14:56 BoogieIcfgContainer [2019-11-07 07:14:56,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:14:56,226 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:14:56,226 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:14:56,226 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:14:56,227 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:14:56" (1/1) ... [2019-11-07 07:14:56,228 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 07:14:56,250 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:14:56,250 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:14:56,258 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:14:56,265 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:14:56,266 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:14:56,401 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-11-07 07:14:57,001 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-11-07 07:14:57,331 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-11-07 07:14:57,596 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 70 for LOIs [2019-11-07 07:14:57,597 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:14:57,615 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:14:57,615 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:14:57,617 INFO L168 Benchmark]: Toolchain (without parser) took 2276.95 ms. Allocated memory was 145.2 MB in the beginning and 235.4 MB in the end (delta: 90.2 MB). Free memory was 103.5 MB in the beginning and 179.7 MB in the end (delta: -76.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:57,618 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 07:14:57,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.00 ms. Allocated memory is still 145.2 MB. Free memory was 103.3 MB in the beginning and 93.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:57,620 INFO L168 Benchmark]: Boogie Preprocessor took 122.04 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 93.1 MB in the beginning and 179.9 MB in the end (delta: -86.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:57,621 INFO L168 Benchmark]: RCFGBuilder took 446.72 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 158.2 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:57,622 INFO L168 Benchmark]: Sifa took 1389.44 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 158.2 MB in the beginning and 179.7 MB in the end (delta: -21.4 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:57,629 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 315.00 ms. Allocated memory is still 145.2 MB. Free memory was 103.3 MB in the beginning and 93.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.04 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 93.1 MB in the beginning and 179.9 MB in the end (delta: -86.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 446.72 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 158.2 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Sifa took 1389.44 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 158.2 MB in the beginning and 179.7 MB in the end (delta: -21.4 MB). Peak memory consumption was 11.6 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]: 1348, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME[ms]: 827, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 92, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_APPLICATIONS: 43, TOOLS_QUANTIFIERELIM_TIME[ms]: 890, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 273, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 69, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 18, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 274, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 50, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 2, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1116, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1115, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 97, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 97, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 92, DAG_COMPRESSION_RETAINED_NODES: 45 - UnprovableResult [Line: 2]: 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 112#(and (exists ((v_prenex_27 Int) (v_prenex_26 Int) (v_prenex_18 Int) (v_prenex_29 Int) (v_prenex_17 Int) (v_prenex_28 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_prenex_21 Int) (|v_main_~#a3~0.offset_BEFORE_CALL_5| Int) (v_prenex_20 Int) (|v_main_~#a1~0.base_BEFORE_CALL_5| Int) (|v_main_~#a1~0.offset_BEFORE_CALL_5| Int) (v_main_~x~0_BEFORE_CALL_5 Int) (|v_main_~#a3~0.base_BEFORE_CALL_5| Int) (v_prenex_19 Int)) (or (and (<= v_main_~x~0_BEFORE_CALL_5 0) (<= 1 v_main_~x~0_BEFORE_CALL_5) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_23) (+ (* v_main_~x~0_BEFORE_CALL_5 4) v_prenex_24)) (select (select |#memory_int| v_prenex_21) (+ (* v_main_~x~0_BEFORE_CALL_5 4) v_prenex_22)))) (< v_main_~x~0_BEFORE_CALL_5 100000) (<= 0 v_main_~x~0_BEFORE_CALL_5)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#a3~0.base_BEFORE_CALL_5|) |v_main_~#a3~0.offset_BEFORE_CALL_5|) (select (select |#memory_int| |v_main_~#a1~0.base_BEFORE_CALL_5|) |v_main_~#a1~0.offset_BEFORE_CALL_5|)))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_17) v_prenex_18) (select (select |#memory_int| v_prenex_19) v_prenex_20))) (and (= |__VERIFIER_assert_#in~cond| 0) (<= v_prenex_28 100000) (< v_prenex_28 100000) (<= 1 v_prenex_28) (not (= (select (select |#memory_int| v_prenex_26) (+ (* v_prenex_28 4) v_prenex_27)) (select (select |#memory_int| v_prenex_29) (+ (* v_prenex_28 4) v_prenex_25))))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_26) (+ (* v_prenex_28 4) v_prenex_27)) (select (select |#memory_int| v_prenex_29) (+ (* v_prenex_28 4) v_prenex_25))) (<= v_prenex_28 100000) (< v_prenex_28 100000) (<= 1 v_prenex_28)) (and (<= v_main_~x~0_BEFORE_CALL_5 0) (<= 1 v_main_~x~0_BEFORE_CALL_5) (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| v_prenex_23) (+ (* v_main_~x~0_BEFORE_CALL_5 4) v_prenex_24)) (select (select |#memory_int| v_prenex_21) (+ (* v_main_~x~0_BEFORE_CALL_5 4) v_prenex_22))) (< v_main_~x~0_BEFORE_CALL_5 100000) (<= 0 v_main_~x~0_BEFORE_CALL_5)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...