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 -i ../../../trunk/examples/svcomp/ldv-regression/1_3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:24:36,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:24:36,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:24:36,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:24:36,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:24:36,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:24:36,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:24:36,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:24:36,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:24:36,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:24:36,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:24:36,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:24:36,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:24:36,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:24:36,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:24:36,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:24:36,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:24:36,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:24:36,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:24:36,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:24:36,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:24:36,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:24:36,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:24:36,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:24:36,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:24:36,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:24:36,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:24:36,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:24:36,269 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 [2019-08-31 03:24:36,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:24:36,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:24:36,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:24:36,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:24:36,285 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:24:36,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:24:36,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:24:36,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:24:36,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:24:36,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:24:36,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:24:36,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:24:36,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:24:36,287 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:24:36,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:24:36,287 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:24:36,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:24:36,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:24:36,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:24:36,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:24:36,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:24:36,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:24:36,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:24:36,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:24:36,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:24:36,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:24:36,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:24:36,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:24:36,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:24:36,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:24:36,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:24:36,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:24:36,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:24:36,335 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:24:36,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/1_3.i [2019-08-31 03:24:36,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1814f8a4/9913522d8cb649f580ff76184aae00e7/FLAG1238ac6f0 [2019-08-31 03:24:36,813 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:24:36,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/1_3.i [2019-08-31 03:24:36,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1814f8a4/9913522d8cb649f580ff76184aae00e7/FLAG1238ac6f0 [2019-08-31 03:24:37,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1814f8a4/9913522d8cb649f580ff76184aae00e7 [2019-08-31 03:24:37,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:24:37,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:24:37,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:24:37,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:24:37,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:24:37,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9668f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37, skipping insertion in model container [2019-08-31 03:24:37,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,229 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:24:37,246 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:24:37,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:24:37,439 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:24:37,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:24:37,468 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:24:37,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37 WrapperNode [2019-08-31 03:24:37,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:24:37,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:24:37,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:24:37,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:24:37,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:24:37,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:24:37,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:24:37,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:24:37,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:24:37" (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 [2019-08-31 03:24:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:24:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:24:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-31 03:24:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getrr [2019-08-31 03:24:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getPtr [2019-08-31 03:24:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure freePtr [2019-08-31 03:24:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:24:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:24:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-31 03:24:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-31 03:24:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:24:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:24:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure getrr [2019-08-31 03:24:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:24:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:24:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure getPtr [2019-08-31 03:24:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure freePtr [2019-08-31 03:24:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:24:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:24:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:24:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:24:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:24:37,818 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:24:37,818 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:24:37,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:24:37 BoogieIcfgContainer [2019-08-31 03:24:37,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:24:37,820 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:24:37,820 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:24:37,820 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:24:37,821 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:24:37" (1/1) ... [2019-08-31 03:24:37,882 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:24:37,882 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:24:37,893 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:24:37,906 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:24:37,907 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:24:38,043 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:24:38,043 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,067 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:38,068 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,068 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:24:38,083 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-31 03:24:38,105 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 1=[|v_#valid_14|]} [2019-08-31 03:24:38,126 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:24:38,127 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,186 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:38,197 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-31 03:24:38,198 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,229 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:38,238 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-31 03:24:38,238 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:38,266 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,267 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:51, output treesize:40 [2019-08-31 03:24:38,296 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-08-31 03:24:38,298 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,327 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:38,328 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,328 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:34 [2019-08-31 03:24:38,376 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-08-31 03:24:38,377 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:24:38,392 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,393 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:14 [2019-08-31 03:24:38,432 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2019-08-31 03:24:38,432 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,504 INFO L567 ElimStorePlain]: treesize reduction 15, result has 73.7 percent of original size [2019-08-31 03:24:38,505 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:24:38,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:42 [2019-08-31 03:24:38,523 INFO L199 IcfgInterpreter]: Interpreting procedure freePtr with input of size 38 for LOIs [2019-08-31 03:24:38,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:24:38,552 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 30 for LOIs [2019-08-31 03:24:38,553 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:24:38,554 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:24:38,556 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 66#(exists ((v_freePtr_~ptr.base_BEFORE_CALL_2 Int)) (and (<= |#NULL.base| 0) (< |#StackHeapBarrier| v_freePtr_~ptr.base_BEFORE_CALL_2) (not (= 0 v_freePtr_~ptr.base_BEFORE_CALL_2)) (<= 0 |#NULL.base|) (= (select (select |#memory_int| v_freePtr_~ptr.base_BEFORE_CALL_2) 0) 2) (= |#NULL.offset| 0) (= (select |#length| v_freePtr_~ptr.base_BEFORE_CALL_2) 4) (not (= (select (select |#memory_int| v_freePtr_~ptr.base_BEFORE_CALL_2) 0) 1)) (= (select |#valid| v_freePtr_~ptr.base_BEFORE_CALL_2) 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) [2019-08-31 03:24:38,576 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:24:38,576 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:24:38,579 INFO L168 Benchmark]: Toolchain (without parser) took 1364.16 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 90.0 MB in the beginning and 115.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:38,583 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:24:38,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.46 ms. Allocated memory is still 133.7 MB. Free memory was 89.8 MB in the beginning and 79.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:38,591 INFO L168 Benchmark]: Boogie Preprocessor took 114.50 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.7 MB in the beginning and 176.6 MB in the end (delta: -96.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:38,593 INFO L168 Benchmark]: RCFGBuilder took 234.98 ms. Allocated memory is still 200.3 MB. Free memory was 176.6 MB in the beginning and 162.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:38,593 INFO L168 Benchmark]: Sifa took 756.68 ms. Allocated memory is still 200.3 MB. Free memory was 162.3 MB in the beginning and 115.3 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:24:38,602 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 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.46 ms. Allocated memory is still 133.7 MB. Free memory was 89.8 MB in the beginning and 79.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.50 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.7 MB in the beginning and 176.6 MB in the end (delta: -96.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.98 ms. Allocated memory is still 200.3 MB. Free memory was 176.6 MB in the beginning and 162.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Sifa took 756.68 ms. Allocated memory is still 200.3 MB. Free memory was 162.3 MB in the beginning and 115.3 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.7s OVERALL_TIME, 4 ICFG_INTERPRETER_ENTERED_PROCEDURES, 29 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 18 TOOLS_POST_APPLICATIONS, 0.3s TOOLS_POST_TIME, 9 TOOLS_POST_CALL_APPLICATIONS, 0.1s TOOLS_POST_CALL_TIME, 5 TOOLS_POST_RETURN_APPLICATIONS, 0.1s TOOLS_POST_RETURN_TIME, 0.5s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 29 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 8 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 2 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 5 CALL_SUMMARIZER_APPLICATIONS, 5 CALL_SUMMARIZER_CACHE_MISSES, 0.4s CALL_SUMMARIZER_OVERALL_TIME, 0.4s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 67 DAG_COMPRESSION_PROCESSED_NODES, 46 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 6]: 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 66#(exists ((v_freePtr_~ptr.base_BEFORE_CALL_2 Int)) (and (<= |#NULL.base| 0) (< |#StackHeapBarrier| v_freePtr_~ptr.base_BEFORE_CALL_2) (not (= 0 v_freePtr_~ptr.base_BEFORE_CALL_2)) (<= 0 |#NULL.base|) (= (select (select |#memory_int| v_freePtr_~ptr.base_BEFORE_CALL_2) 0) 2) (= |#NULL.offset| 0) (= (select |#length| v_freePtr_~ptr.base_BEFORE_CALL_2) 4) (not (= (select (select |#memory_int| v_freePtr_~ptr.base_BEFORE_CALL_2) 0) 1)) (= (select |#valid| v_freePtr_~ptr.base_BEFORE_CALL_2) 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...