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/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:08:37,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:08:37,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:08:37,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:08:37,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:08:37,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:08:37,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:08:37,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:08:37,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:08:37,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:08:37,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:08:37,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:08:37,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:08:37,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:08:37,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:08:37,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:08:37,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:08:37,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:08:37,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:08:37,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:08:37,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:08:37,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:08:37,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:08:37,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:08:37,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:08:37,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:08:37,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:08:37,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:08:37,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:08:37,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:08:37,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:08:37,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:08:37,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:08:37,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:08:37,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:08:37,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:08:37,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:08:37,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:08:37,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:08:37,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:08:37,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:08:37,290 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 [2019-09-20 14:08:37,319 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:08:37,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:08:37,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:08:37,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:08:37,322 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:08:37,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:08:37,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:08:37,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:08:37,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:08:37,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:08:37,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:08:37,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:08:37,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:08:37,325 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:08:37,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:08:37,325 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:08:37,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:08:37,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:08:37,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:08:37,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:08:37,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:08:37,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:08:37,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:08:37,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:08:37,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:08:37,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:08:37,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:08:37,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:08:37,328 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 [2019-09-20 14:08:37,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:08:37,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:08:37,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:08:37,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:08:37,409 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:08:37,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-09-20 14:08:37,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/594628d74/92a8e5a92f1c41f2b06bee2cccbc2491/FLAG35ef9d87e [2019-09-20 14:08:37,889 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:08:37,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-09-20 14:08:37,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/594628d74/92a8e5a92f1c41f2b06bee2cccbc2491/FLAG35ef9d87e [2019-09-20 14:08:38,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/594628d74/92a8e5a92f1c41f2b06bee2cccbc2491 [2019-09-20 14:08:38,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:08:38,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:08:38,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:08:38,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:08:38,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:08:38,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283448d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38, skipping insertion in model container [2019-09-20 14:08:38,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,264 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:08:38,282 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:08:38,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:08:38,563 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:08:38,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:08:38,606 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:08:38,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38 WrapperNode [2019-09-20 14:08:38,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:08:38,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:08:38,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:08:38,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:08:38,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38" (1/1) ... [2019-09-20 14:08:38,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:08:38,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:08:38,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:08:38,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:08:38,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:38" (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 [2019-09-20 14:08:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:08:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:08:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-20 14:08:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 14:08:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:08:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:08:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-20 14:08:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:08:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:08:39,210 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:08:39,210 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 14:08:39,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:08:39 BoogieIcfgContainer [2019-09-20 14:08:39,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:08:39,212 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:08:39,212 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:08:39,212 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:08:39,214 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:08:39" (1/1) ... [2019-09-20 14:08:39,214 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 [2019-09-20 14:08:39,243 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:08:39,243 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:08:39,252 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:08:39,260 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:08:39,261 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:08:39,426 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:08:40,329 WARN L191 SmtUtils]: Spent 818.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 14:08:41,076 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 14:08:41,736 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 14:08:42,154 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 14:08:42,643 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 14:08:43,204 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 14:08:44,037 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 14:08:44,382 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-20 14:08:45,198 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-20 14:08:45,796 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2019-09-20 14:08:46,150 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2019-09-20 14:08:46,330 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 14:08:47,054 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-20 14:08:48,533 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-09-20 14:08:49,031 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:08:49,783 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 14:08:50,451 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 14:08:51,032 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 14:08:51,568 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 14:08:52,049 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 14:08:53,036 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 122 [2019-09-20 14:08:53,490 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 14:08:53,909 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 14:08:54,294 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 14:08:54,791 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-20 14:08:55,038 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 14:08:55,273 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 14:08:55,514 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 14:08:55,515 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:08:55,515 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:08:55,518 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 34#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (or (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|) (not (= |main_~#b~0.base| 0)) (= 0 (select (select |#memory_int| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (not (= |main_~#b~0.base| 0)) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (and (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))))) [2019-09-20 14:08:55,533 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:08:55,533 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:08:55,542 INFO L168 Benchmark]: Toolchain (without parser) took 17288.42 ms. Allocated memory was 131.1 MB in the beginning and 368.6 MB in the end (delta: 237.5 MB). Free memory was 87.5 MB in the beginning and 244.9 MB in the end (delta: -157.3 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:55,543 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:08:55,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.51 ms. Allocated memory is still 131.1 MB. Free memory was 87.1 MB in the beginning and 76.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:55,546 INFO L168 Benchmark]: Boogie Preprocessor took 134.41 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 76.8 MB in the beginning and 174.9 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:55,546 INFO L168 Benchmark]: RCFGBuilder took 468.47 ms. Allocated memory is still 198.7 MB. Free memory was 174.9 MB in the beginning and 154.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:55,549 INFO L168 Benchmark]: Sifa took 16321.08 ms. Allocated memory was 198.7 MB in the beginning and 368.6 MB in the end (delta: 169.9 MB). Free memory was 153.4 MB in the beginning and 244.9 MB in the end (delta: -91.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:55,560 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 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 360.51 ms. Allocated memory is still 131.1 MB. Free memory was 87.1 MB in the beginning and 76.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.41 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 76.8 MB in the beginning and 174.9 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 468.47 ms. Allocated memory is still 198.7 MB. Free memory was 174.9 MB in the beginning and 154.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Sifa took 16321.08 ms. Allocated memory was 198.7 MB in the beginning and 368.6 MB in the end (delta: 169.9 MB). Free memory was 153.4 MB in the beginning and 244.9 MB in the end (delta: -91.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 16275, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 9429, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 3145, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 1761, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 14315, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5262, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 1864, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1063, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1062, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 44]: 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 34#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (or (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|) (not (= |main_~#b~0.base| 0)) (= 0 (select (select |#memory_int| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (not (= |main_~#b~0.base| 0)) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (and (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#NULL.offset| 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...