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/loops/invert_string-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:19:29,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:19:29,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:19:29,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:19:29,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:19:29,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:19:29,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:19:29,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:19:29,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:19:29,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:19:29,293 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:19:29,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:19:29,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:19:29,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:19:29,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:19:29,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:19:29,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:19:29,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:19:29,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:19:29,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:19:29,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:19:29,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:19:29,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:19:29,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:19:29,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:19:29,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:19:29,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:19:29,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:19:29,329 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 [2019-08-18 07:19:29,344 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:19:29,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:19:29,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:19:29,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:19:29,348 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:19:29,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:19:29,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:19:29,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:19:29,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:19:29,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:19:29,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:19:29,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:19:29,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:19:29,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:19:29,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:19:29,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:19:29,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:19:29,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:19:29,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:19:29,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:19:29,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:19:29,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:19:29,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:19:29,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:19:29,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:19:29,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:19:29,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:19:29,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:19:29,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:19:29,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:19:29,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:19:29,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:19:29,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:19:29,434 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:19:29,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string-3.c [2019-08-18 07:19:29,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084a75256/add18311e97542f9b885121c35c1a339/FLAG22c9ae821 [2019-08-18 07:19:29,961 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:19:29,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string-3.c [2019-08-18 07:19:29,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084a75256/add18311e97542f9b885121c35c1a339/FLAG22c9ae821 [2019-08-18 07:19:30,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/084a75256/add18311e97542f9b885121c35c1a339 [2019-08-18 07:19:30,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:19:30,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:19:30,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:19:30,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:19:30,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:19:30,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3902abd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30, skipping insertion in model container [2019-08-18 07:19:30,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,351 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:19:30,373 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:19:30,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:19:30,567 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:19:30,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:19:30,608 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:19:30,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30 WrapperNode [2019-08-18 07:19:30,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:19:30,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:19:30,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:19:30,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:19:30,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30" (1/1) ... [2019-08-18 07:19:30,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:19:30,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:19:30,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:19:30,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:19:30,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:19:30" (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 [2019-08-18 07:19:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:19:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:19:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 07:19:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:19:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:19:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:19:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-18 07:19:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:19:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:19:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:19:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:19:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:19:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:19:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:19:31,035 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:19:31,035 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-18 07:19:31,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:19:31 BoogieIcfgContainer [2019-08-18 07:19:31,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:19:31,037 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:19:31,037 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:19:31,038 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:19:31,038 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:19:31" (1/1) ... [2019-08-18 07:19:31,048 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:19:31,050 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:19:31,056 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:19:31,063 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:19:31,064 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:19:31,147 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 [2019-08-18 07:19:31,148 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:19:31,187 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,188 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:19:31,208 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-18 07:19:31,450 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 13 treesize of output 9 [2019-08-18 07:19:31,450 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:19:31,477 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,477 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:28 [2019-08-18 07:19:31,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:31,549 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 43 treesize of output 39 [2019-08-18 07:19:31,550 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,584 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 47 treesize of output 43 [2019-08-18 07:19:31,587 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,802 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2019-08-18 07:19:31,803 INFO L567 ElimStorePlain]: treesize reduction 474, result has 14.9 percent of original size [2019-08-18 07:19:31,805 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-18 07:19:31,805 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:565, output treesize:83 [2019-08-18 07:19:31,833 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:19:31,836 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:19:31,862 INFO L341 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2019-08-18 07:19:31,863 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 53 [2019-08-18 07:19:31,864 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,872 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:31,873 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,925 INFO L567 ElimStorePlain]: treesize reduction 3, result has 94.7 percent of original size [2019-08-18 07:19:31,926 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:19:31,927 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:133, output treesize:54 [2019-08-18 07:19:31,936 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:31,959 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:19:31,959 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:31,973 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:19:31,977 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:19:32,127 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-08-18 07:19:32,128 INFO L341 Elim1Store]: treesize reduction 36, result has 72.3 percent of original size [2019-08-18 07:19:32,129 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 152 [2019-08-18 07:19:32,132 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:32,146 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:19:32,167 INFO L341 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2019-08-18 07:19:32,168 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 53 [2019-08-18 07:19:32,169 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:32,324 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-08-18 07:19:32,324 INFO L567 ElimStorePlain]: treesize reduction 80, result has 60.8 percent of original size [2019-08-18 07:19:32,326 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-18 07:19:32,326 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:213, output treesize:124 [2019-08-18 07:19:32,360 INFO L341 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2019-08-18 07:19:32,361 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 1 case distinctions, treesize of input 20 treesize of output 20 [2019-08-18 07:19:32,361 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:19:32,368 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:19:32,368 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:19:32,368 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2019-08-18 07:19:32,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:32,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:32,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:19:32,399 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-18 07:19:32,399 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:19:32,400 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:19:32,402 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 106#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 07:19:32,412 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:19:32,413 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:19:32,415 INFO L168 Benchmark]: Toolchain (without parser) took 2079.90 ms. Allocated memory was 142.6 MB in the beginning and 230.7 MB in the end (delta: 88.1 MB). Free memory was 90.2 MB in the beginning and 186.8 MB in the end (delta: -96.7 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:32,416 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:19:32,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.15 ms. Allocated memory is still 142.6 MB. Free memory was 90.0 MB in the beginning and 79.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:32,417 INFO L168 Benchmark]: Boogie Preprocessor took 132.95 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 79.9 MB in the beginning and 177.0 MB in the end (delta: -97.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:32,418 INFO L168 Benchmark]: RCFGBuilder took 293.70 ms. Allocated memory is still 200.3 MB. Free memory was 177.0 MB in the beginning and 162.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:32,419 INFO L168 Benchmark]: Symbolic Interpretation took 1375.62 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 162.4 MB in the beginning and 186.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:19:32,424 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 106#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.15 ms. Allocated memory is still 142.6 MB. Free memory was 90.0 MB in the beginning and 79.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.95 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 79.9 MB in the beginning and 177.0 MB in the end (delta: -97.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 293.70 ms. Allocated memory is still 200.3 MB. Free memory was 177.0 MB in the beginning and 162.4 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1375.62 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 162.4 MB in the beginning and 186.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...