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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:26:12,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:26:12,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:26:12,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:26:12,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:26:12,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:26:12,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:26:12,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:26:12,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:26:12,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:26:12,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:26:12,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:26:12,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:26:12,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:26:12,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:26:12,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:26:12,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:26:12,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:26:12,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:26:12,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:26:12,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:26:12,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:26:12,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:26:12,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:26:12,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:26:12,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:26:12,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:26:12,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:26:12,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:26:12,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:26:12,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:26:12,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:26:12,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:26:12,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:26:12,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:26:12,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:26:12,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:26:12,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:26:12,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:26:12,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:26:12,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:26:12,060 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 [2019-09-17 16:26:12,074 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:26:12,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:26:12,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:26:12,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:26:12,076 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:26:12,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:26:12,077 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:26:12,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:26:12,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:26:12,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:26:12,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:26:12,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:26:12,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:26:12,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:26:12,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:26:12,078 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:26:12,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:26:12,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:26:12,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:26:12,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:26:12,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:26:12,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:26:12,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:26:12,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:26:12,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:26:12,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:26:12,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:26:12,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:26:12,081 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 16:26:12,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:26:12,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:26:12,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:26:12,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:26:12,127 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:26:12,128 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-17 16:26:12,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b99134d/fffcb1d69c9e4d0db06e320ed957c8e8/FLAG0b5e20d7d [2019-09-17 16:26:12,607 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:26:12,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-17 16:26:12,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b99134d/fffcb1d69c9e4d0db06e320ed957c8e8/FLAG0b5e20d7d [2019-09-17 16:26:13,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b99134d/fffcb1d69c9e4d0db06e320ed957c8e8 [2019-09-17 16:26:13,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:26:13,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:26:13,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:26:13,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:26:13,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:26:13,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483f1457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13, skipping insertion in model container [2019-09-17 16:26:13,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,061 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:26:13,079 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:26:13,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:26:13,305 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:26:13,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:26:13,438 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:26:13,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13 WrapperNode [2019-09-17 16:26:13,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:26:13,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:26:13,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:26:13,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:26:13,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:26:13,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:26:13,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:26:13,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:26:13,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:13" (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 [2019-09-17 16:26:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:26:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:26:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-17 16:26:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-17 16:26:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-17 16:26:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:26:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:26:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 16:26:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-17 16:26:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-17 16:26:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:26:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-17 16:26:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-17 16:26:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:26:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:26:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:26:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 16:26:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:26:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:26:13,916 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:26:13,917 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 16:26:13,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:26:13 BoogieIcfgContainer [2019-09-17 16:26:13,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:26:13,919 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:26:13,919 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:26:13,919 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:26:13,920 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:26:13" (1/1) ... [2019-09-17 16:26:13,921 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 16:26:13,945 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:26:13,945 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:26:13,952 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:26:13,960 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:26:13,961 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:26:14,593 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-17 16:26:14,600 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 41 for LOIs [2019-09-17 16:26:14,807 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-17 16:26:14,933 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-17 16:26:15,344 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:26:15,363 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:26:15,375 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:26:15,383 WARN L211 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:26:15,512 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:26:15,529 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:26:16,431 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 100 [2019-09-17 16:26:17,237 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2019-09-17 16:26:17,638 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 16:26:18,430 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-09-17 16:26:19,088 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-17 16:26:19,845 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-17 16:26:21,292 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2019-09-17 16:26:22,596 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2019-09-17 16:26:23,268 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-17 16:26:24,576 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 120 DAG size of output: 114 [2019-09-17 16:26:26,476 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2019-09-17 16:26:27,402 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 16:26:29,267 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2019-09-17 16:26:31,118 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2019-09-17 16:26:32,023 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-17 16:26:33,773 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 126 DAG size of output: 121 [2019-09-17 16:26:36,023 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 141 DAG size of output: 131 [2019-09-17 16:26:37,116 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-17 16:26:39,310 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2019-09-17 16:26:41,465 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2019-09-17 16:26:42,529 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 16:26:44,666 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 130 DAG size of output: 125 [2019-09-17 16:26:47,326 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2019-09-17 16:26:48,636 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 16:26:51,322 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 138 DAG size of output: 134 [2019-09-17 16:26:54,007 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2019-09-17 16:26:55,327 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 16:26:57,960 WARN L191 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2019-09-17 16:27:01,171 WARN L191 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2019-09-17 16:27:02,764 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 16:27:05,794 WARN L191 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2019-09-17 16:27:08,656 WARN L191 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-17 16:27:10,106 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 16:27:12,928 WARN L191 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 137 DAG size of output: 133 [2019-09-17 16:27:16,223 WARN L191 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2019-09-17 16:27:17,877 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 16:27:21,267 WARN L191 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 146 DAG size of output: 142 [2019-09-17 16:27:24,648 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 141 DAG size of output: 139 [2019-09-17 16:27:26,306 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 16:27:29,688 WARN L191 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 16:27:33,592 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2019-09-17 16:27:35,516 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 150 [2019-09-17 16:27:39,393 WARN L191 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 155 DAG size of output: 150 [2019-09-17 16:27:43,216 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 148 DAG size of output: 146 [2019-09-17 16:27:45,120 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 16:27:48,995 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2019-09-17 16:27:53,329 WARN L191 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 163 DAG size of output: 155 [2019-09-17 16:27:55,460 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 155 [2019-09-17 16:27:59,817 WARN L191 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2019-09-17 16:28:04,075 WARN L191 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 156 DAG size of output: 154 [2019-09-17 16:28:06,207 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 154 [2019-09-17 16:28:10,495 WARN L191 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2019-09-17 16:28:15,331 WARN L191 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 172 DAG size of output: 165 [2019-09-17 16:28:17,760 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 165 [2019-09-17 16:28:22,631 WARN L191 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 170 DAG size of output: 165 [2019-09-17 16:28:27,390 WARN L191 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-09-17 16:28:29,785 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 16:28:34,580 WARN L191 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 165 DAG size of output: 160 [2019-09-17 16:28:40,010 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 180 DAG size of output: 172 [2019-09-17 16:28:40,491 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-17 16:28:40,747 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-17 16:28:40,846 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:28:40,846 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:28:40,849 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 171#(and (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= |#NULL.base| 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pd1~0.offset) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset)) [2019-09-17 16:28:40,861 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:28:40,861 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:28:40,862 INFO L168 Benchmark]: Toolchain (without parser) took 147819.56 ms. Allocated memory was 137.9 MB in the beginning and 152.6 MB in the end (delta: 14.7 MB). Free memory was 85.3 MB in the beginning and 114.3 MB in the end (delta: -28.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 16:28:40,863 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:28:40,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.63 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 174.9 MB in the end (delta: -89.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:28:40,865 INFO L168 Benchmark]: Boogie Preprocessor took 39.17 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 173.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-17 16:28:40,865 INFO L168 Benchmark]: RCFGBuilder took 439.59 ms. Allocated memory is still 198.2 MB. Free memory was 173.0 MB in the beginning and 152.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-17 16:28:40,867 INFO L168 Benchmark]: Sifa took 146942.37 ms. Allocated memory was 198.2 MB in the beginning and 152.6 MB in the end (delta: -45.6 MB). Free memory was 152.0 MB in the beginning and 114.3 MB in the end (delta: 37.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 16:28:40,870 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 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 394.63 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 174.9 MB in the end (delta: -89.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.17 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 173.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.59 ms. Allocated memory is still 198.2 MB. Free memory was 173.0 MB in the beginning and 152.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Sifa took 146942.37 ms. Allocated memory was 198.2 MB in the beginning and 152.6 MB in the end (delta: -45.6 MB). Free memory was 152.0 MB in the beginning and 114.3 MB in the end (delta: 37.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 146905, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 48, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 39, TOOLS_POST_TIME[ms]: 1885, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 214, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 15, TOOLS_QUANTIFIERELIM_APPLICATIONS: 52, TOOLS_QUANTIFIERELIM_TIME[ms]: 2078, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1139, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 70637, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 74014, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 143720, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 143720, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1093, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1093, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 23, 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 171#(and (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= |#NULL.base| 0) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pd1~0.offset) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...