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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 18:01:07,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 18:01:07,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 18:01:07,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 18:01:07,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 18:01:07,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 18:01:07,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 18:01:07,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 18:01:07,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 18:01:07,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 18:01:07,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 18:01:07,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 18:01:07,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 18:01:07,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 18:01:07,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 18:01:07,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 18:01:07,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 18:01:07,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 18:01:07,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 18:01:07,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 18:01:07,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 18:01:07,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 18:01:07,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 18:01:07,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 18:01:07,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 18:01:07,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 18:01:07,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 18:01:07,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 18:01:07,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 18:01:07,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 18:01:07,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 18:01:07,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 18:01:07,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 18:01:07,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 18:01:07,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 18:01:07,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 18:01:07,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 18:01:07,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 18:01:07,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 18:01:07,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 18:01:07,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 18:01:07,064 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 [2019-09-16 18:01:07,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 18:01:07,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 18:01:07,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 18:01:07,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 18:01:07,082 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 18:01:07,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 18:01:07,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 18:01:07,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 18:01:07,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 18:01:07,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 18:01:07,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 18:01:07,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 18:01:07,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 18:01:07,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 18:01:07,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 18:01:07,084 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 18:01:07,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 18:01:07,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 18:01:07,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 18:01:07,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 18:01:07,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 18:01:07,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 18:01:07,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 18:01:07,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 18:01:07,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 18:01:07,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 18:01:07,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 18:01:07,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 18:01:07,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-16 18:01:07,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 18:01:07,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 18:01:07,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 18:01:07,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 18:01:07,137 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 18:01:07,138 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-16 18:01:07,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a253c1e1c/e12e7ea72b0041dda3e167d7a51b2ab1/FLAG4cb6154f4 [2019-09-16 18:01:07,620 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 18:01:07,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-16 18:01:07,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a253c1e1c/e12e7ea72b0041dda3e167d7a51b2ab1/FLAG4cb6154f4 [2019-09-16 18:01:07,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a253c1e1c/e12e7ea72b0041dda3e167d7a51b2ab1 [2019-09-16 18:01:08,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 18:01:08,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 18:01:08,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 18:01:08,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 18:01:08,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 18:01:08,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:01:07" (1/1) ... [2019-09-16 18:01:08,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cf0ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08, skipping insertion in model container [2019-09-16 18:01:08,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 06:01:07" (1/1) ... [2019-09-16 18:01:08,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 18:01:08,042 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 18:01:08,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:01:08,287 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 18:01:08,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 18:01:08,430 INFO L192 MainTranslator]: Completed translation [2019-09-16 18:01:08,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08 WrapperNode [2019-09-16 18:01:08,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 18:01:08,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 18:01:08,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 18:01:08,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 18:01:08,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08" (1/1) ... [2019-09-16 18:01:08,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08" (1/1) ... [2019-09-16 18:01:08,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08" (1/1) ... [2019-09-16 18:01:08,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08" (1/1) ... [2019-09-16 18:01:08,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08" (1/1) ... [2019-09-16 18:01:08,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08" (1/1) ... [2019-09-16 18:01:08,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08" (1/1) ... [2019-09-16 18:01:08,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 18:01:08,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 18:01:08,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 18:01:08,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 18:01:08,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 06:01:08" (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 [2019-09-16 18:01:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 18:01:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 18:01:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-16 18:01:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-16 18:01:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-16 18:01:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 18:01:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 18:01:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 18:01:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-16 18:01:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-16 18:01:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 18:01:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-16 18:01:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-16 18:01:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 18:01:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 18:01:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 18:01:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 18:01:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 18:01:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 18:01:08,899 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 18:01:08,899 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 18:01:08,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:01:08 BoogieIcfgContainer [2019-09-16 18:01:08,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 18:01:08,901 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-16 18:01:08,901 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-16 18:01:08,901 INFO L275 PluginConnector]: Sifa initialized [2019-09-16 18:01:08,902 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 06:01:08" (1/1) ... [2019-09-16 18:01:08,903 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-16 18:01:08,929 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-16 18:01:08,930 INFO L169 IcfgInterpreter]: Building call graph [2019-09-16 18:01:08,940 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-16 18:01:08,953 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-16 18:01:08,955 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-16 18:01:09,483 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 39 for LOIs [2019-09-16 18:01:09,674 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-16 18:01:09,811 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-16 18:01:10,220 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 18:01:10,234 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-16 18:01:10,307 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-16 18:01:10,324 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-16 18:01:10,334 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-16 18:01:10,399 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-16 18:01:11,246 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-16 18:01:12,004 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-16 18:01:12,374 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-16 18:01:13,061 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-16 18:01:13,745 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-16 18:01:15,171 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-16 18:01:15,841 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-16 18:01:17,743 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2019-09-16 18:01:18,664 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-16 18:01:20,635 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2019-09-16 18:01:21,557 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-16 18:01:24,061 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2019-09-16 18:01:24,187 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-16 18:01:24,187 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-16 18:01:24,189 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 73#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))) [2019-09-16 18:01:24,198 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-16 18:01:24,198 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-16 18:01:24,200 INFO L168 Benchmark]: Toolchain (without parser) took 16191.70 ms. Allocated memory was 136.3 MB in the beginning and 439.4 MB in the end (delta: 303.0 MB). Free memory was 83.7 MB in the beginning and 342.9 MB in the end (delta: -259.2 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-09-16 18:01:24,202 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 18:01:24,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.27 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 83.3 MB in the beginning and 174.3 MB in the end (delta: -91.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-16 18:01:24,203 INFO L168 Benchmark]: Boogie Preprocessor took 41.86 ms. Allocated memory is still 197.1 MB. Free memory was 174.3 MB in the beginning and 172.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-16 18:01:24,204 INFO L168 Benchmark]: RCFGBuilder took 427.39 ms. Allocated memory is still 197.1 MB. Free memory was 172.0 MB in the beginning and 150.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-16 18:01:24,205 INFO L168 Benchmark]: Sifa took 15297.62 ms. Allocated memory was 197.1 MB in the beginning and 439.4 MB in the end (delta: 242.2 MB). Free memory was 150.9 MB in the beginning and 342.9 MB in the end (delta: -192.0 MB). Peak memory consumption was 50.3 MB. Max. memory is 7.1 GB. [2019-09-16 18:01:24,209 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 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 421.27 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 83.3 MB in the beginning and 174.3 MB in the end (delta: -91.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.86 ms. Allocated memory is still 197.1 MB. Free memory was 174.3 MB in the beginning and 172.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 427.39 ms. Allocated memory is still 197.1 MB. Free memory was 172.0 MB in the beginning and 150.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Sifa took 15297.62 ms. Allocated memory was 197.1 MB in the beginning and 439.4 MB in the end (delta: 242.2 MB). Free memory was 150.9 MB in the beginning and 342.9 MB in the end (delta: -192.0 MB). Peak memory consumption was 50.3 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]: 15259, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 34, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 1827, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 204, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 20, TOOLS_QUANTIFIERELIM_APPLICATIONS: 38, TOOLS_QUANTIFIERELIM_TIME[ms]: 2024, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1088, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 38, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 6400, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 6701, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 20, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12842, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12842, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 953, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 953, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 93, DAG_COMPRESSION_RETAINED_NODES: 47 - UnprovableResult [Line: 50]: 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 73#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...