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_QUICK -i ../../../trunk/examples/svcomp/ldv-regression/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:54:11,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:54:11,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:54:11,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:54:11,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:54:11,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:54:11,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:54:11,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:54:11,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:54:11,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:54:11,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:54:11,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:54:11,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:54:11,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:54:11,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:54:11,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:54:11,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:54:11,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:54:11,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:54:11,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:54:11,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:54:11,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:54:11,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:54:11,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:54:11,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:54:11,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:54:11,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:54:11,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:54:11,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:54:11,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:54:11,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:54:11,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:54:11,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:54:11,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:54:11,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:54:11,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:54:11,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:54:11,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:54:11,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:54:11,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:54:11,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:54:11,165 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 [2019-09-21 09:54:11,181 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:54:11,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:54:11,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:54:11,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:54:11,183 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:54:11,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:54:11,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:54:11,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:54:11,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:54:11,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:54:11,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:54:11,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:54:11,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:54:11,185 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:54:11,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:54:11,185 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:54:11,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:54:11,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:54:11,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:54:11,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:54:11,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:54:11,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:54:11,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:54:11,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:54:11,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:54:11,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:54:11,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:54:11,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:54:11,188 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_QUICK [2019-09-21 09:54:11,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:54:11,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:54:11,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:54:11,246 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:54:11,246 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:54:11,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-21 09:54:11,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05692967b/a28fc0a5dea14e508e4b9d4a56aa2d79/FLAG71333cc1d [2019-09-21 09:54:11,794 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:54:11,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-09-21 09:54:11,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05692967b/a28fc0a5dea14e508e4b9d4a56aa2d79/FLAG71333cc1d [2019-09-21 09:54:12,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05692967b/a28fc0a5dea14e508e4b9d4a56aa2d79 [2019-09-21 09:54:12,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:54:12,161 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:54:12,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:12,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:54:12,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:54:12,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c9b0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12, skipping insertion in model container [2019-09-21 09:54:12,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,177 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:54:12,193 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:54:12,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:12,371 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:54:12,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:54:12,509 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:54:12,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12 WrapperNode [2019-09-21 09:54:12,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:54:12,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:54:12,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:54:12,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:54:12,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:12,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:54:12,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:54:12,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:54:12,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:54:12,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:54:12" (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 [2019-09-21 09:54:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:54:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:54:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-21 09:54:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-21 09:54:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-21 09:54:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:54:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:54:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:54:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-21 09:54:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-21 09:54:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:54:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-21 09:54:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-21 09:54:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:54:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:54:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:54:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:54:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:54:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:54:12,994 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:54:12,995 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:54:12,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:12 BoogieIcfgContainer [2019-09-21 09:54:12,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:54:12,998 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:54:12,998 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:54:12,999 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:54:13,000 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:54:12" (1/1) ... [2019-09-21 09:54:13,000 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:54:13,036 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:54:13,036 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:54:13,046 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:54:13,054 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:54:13,056 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:54:13,515 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-21 09:54:13,754 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-21 09:54:13,931 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:13,965 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:13,998 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:14,011 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:54:15,967 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 180 [2019-09-21 09:54:16,099 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-09-21 09:54:16,287 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 180 [2019-09-21 09:54:16,752 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 228 [2019-09-21 09:54:16,906 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2019-09-21 09:54:17,121 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 228 [2019-09-21 09:54:17,294 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-09-21 09:54:17,404 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-09-21 09:54:17,547 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2019-09-21 09:54:17,763 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 295 [2019-09-21 09:54:17,949 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-09-21 09:54:18,230 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 295 [2019-09-21 09:54:18,398 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-21 09:54:18,543 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-21 09:54:18,723 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 245 [2019-09-21 09:54:19,032 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 381 [2019-09-21 09:54:19,148 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:54:19,149 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:54:19,151 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 164#(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)) [2019-09-21 09:54:19,164 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:54:19,165 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:54:19,166 INFO L168 Benchmark]: Toolchain (without parser) took 7005.16 ms. Allocated memory was 133.7 MB in the beginning and 461.4 MB in the end (delta: 327.7 MB). Free memory was 87.4 MB in the beginning and 83.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 331.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:19,168 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:54:19,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.26 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.2 MB in the beginning and 178.0 MB in the end (delta: -90.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:19,170 INFO L168 Benchmark]: Boogie Preprocessor took 41.37 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 175.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:19,171 INFO L168 Benchmark]: RCFGBuilder took 444.67 ms. Allocated memory is still 200.3 MB. Free memory was 175.6 MB in the beginning and 154.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:19,172 INFO L168 Benchmark]: Sifa took 6166.50 ms. Allocated memory was 200.3 MB in the beginning and 461.4 MB in the end (delta: 261.1 MB). Free memory was 154.0 MB in the beginning and 83.2 MB in the end (delta: 70.9 MB). Peak memory consumption was 331.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:54:19,176 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 349.26 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 87.2 MB in the beginning and 178.0 MB in the end (delta: -90.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.37 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 175.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 444.67 ms. Allocated memory is still 200.3 MB. Free memory was 175.6 MB in the beginning and 154.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Sifa took 6166.50 ms. Allocated memory was 200.3 MB in the beginning and 461.4 MB in the end (delta: 261.1 MB). Free memory was 154.0 MB in the beginning and 83.2 MB in the end (delta: 70.9 MB). Peak memory consumption was 331.9 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]: 6115, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 37, TOOLS_POST_TIME[ms]: 833, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_APPLICATIONS: 50, TOOLS_QUANTIFIERELIM_TIME[ms]: 838, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 316, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 56, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 2112, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 22, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 2947, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 61, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5029, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5029, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 735, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 734, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, 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 164#(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...