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/array-examples/standard_copy2_ground-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:12:36,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:12:36,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:12:36,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:12:36,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:12:36,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:12:36,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:12:36,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:12:36,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:12:36,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:12:36,213 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:12:36,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:12:36,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:12:36,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:12:36,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:12:36,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:12:36,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:12:36,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:12:36,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:12:36,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:12:36,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:12:36,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:12:36,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:12:36,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:12:36,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:12:36,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:12:36,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:12:36,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:12:36,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:12:36,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:12:36,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:12:36,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:12:36,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:12:36,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:12:36,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:12:36,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:12:36,239 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 [2019-08-17 21:12:36,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:12:36,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:12:36,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:12:36,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:12:36,255 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:12:36,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:12:36,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:12:36,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:12:36,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:12:36,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:12:36,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:12:36,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:12:36,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:12:36,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:12:36,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:12:36,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:12:36,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:12:36,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:12:36,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:12:36,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:12:36,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:12:36,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:12:36,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:12:36,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:12:36,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:12:36,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:12:36,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:12:36,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:12:36,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:12:36,287 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:12:36,299 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:12:36,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:12:36,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:12:36,304 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:12:36,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copy2_ground-2.i [2019-08-17 21:12:36,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b85fd9e5/8fafeb5ab82049d28d4da650b8bf3c98/FLAG09c6ce0fd [2019-08-17 21:12:36,790 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:12:36,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copy2_ground-2.i [2019-08-17 21:12:36,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b85fd9e5/8fafeb5ab82049d28d4da650b8bf3c98/FLAG09c6ce0fd [2019-08-17 21:12:37,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b85fd9e5/8fafeb5ab82049d28d4da650b8bf3c98 [2019-08-17 21:12:37,209 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:12:37,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:12:37,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:37,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:12:37,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:12:37,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74005b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37, skipping insertion in model container [2019-08-17 21:12:37,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:12:37,241 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:12:37,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:37,459 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:12:37,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:37,508 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:12:37,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37 WrapperNode [2019-08-17 21:12:37,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:37,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:12:37,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:12:37,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:12:37,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:12:37,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:12:37,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:12:37,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:12:37,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:37" (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 [2019-08-17 21:12:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:12:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:12:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:12:37,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:12:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:12:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:12:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:12:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:12:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:12:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:12:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:12:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:12:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:12:37,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:12:37,971 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:12:37,971 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-17 21:12:37,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:37 BoogieIcfgContainer [2019-08-17 21:12:37,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:12:37,973 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:12:37,973 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:12:37,974 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:12:37,975 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:37" (1/1) ... [2019-08-17 21:12:37,986 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:12:37,991 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:12:38,003 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:12:38,018 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:12:38,020 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:12:38,140 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 [2019-08-17 21:12:38,141 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:38,180 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,181 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:12:38,191 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:12:38,337 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 15 treesize of output 11 [2019-08-17 21:12:38,337 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,356 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:38,358 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,358 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2019-08-17 21:12:38,368 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:38,435 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:38,436 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 34 treesize of output 33 [2019-08-17 21:12:38,437 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,470 INFO L567 ElimStorePlain]: treesize reduction 130, result has 17.2 percent of original size [2019-08-17 21:12:38,470 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,471 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:161, output treesize:27 [2019-08-17 21:12:38,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:38,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:38,539 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:38,540 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 34 treesize of output 33 [2019-08-17 21:12:38,542 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,566 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:38,697 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-08-17 21:12:38,698 INFO L341 Elim1Store]: treesize reduction 44, result has 64.2 percent of original size [2019-08-17 21:12:38,698 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 45 treesize of output 110 [2019-08-17 21:12:38,700 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,789 INFO L567 ElimStorePlain]: treesize reduction 188, result has 29.3 percent of original size [2019-08-17 21:12:38,790 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:12:38,794 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:206, output treesize:78 [2019-08-17 21:12:38,835 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:38,836 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 23 treesize of output 23 [2019-08-17 21:12:38,837 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,844 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:38,845 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,845 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2019-08-17 21:12:38,868 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:38,869 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 23 treesize of output 23 [2019-08-17 21:12:38,870 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,882 INFO L567 ElimStorePlain]: treesize reduction 3, result has 88.5 percent of original size [2019-08-17 21:12:38,883 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:38,883 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:23 [2019-08-17 21:12:39,029 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-08-17 21:12:39,029 INFO L341 Elim1Store]: treesize reduction 56, result has 66.3 percent of original size [2019-08-17 21:12:39,030 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 124 [2019-08-17 21:12:39,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,034 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,106 INFO L567 ElimStorePlain]: treesize reduction 127, result has 26.6 percent of original size [2019-08-17 21:12:39,106 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,107 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:46 [2019-08-17 21:12:39,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,125 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,130 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,133 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:12:39,140 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2019-08-17 21:12:39,141 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,149 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,151 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,263 INFO L341 Elim1Store]: treesize reduction 44, result has 72.2 percent of original size [2019-08-17 21:12:39,264 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 53 treesize of output 148 [2019-08-17 21:12:39,265 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,274 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,275 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:39,491 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-08-17 21:12:39,492 INFO L341 Elim1Store]: treesize reduction 44, result has 83.0 percent of original size [2019-08-17 21:12:39,492 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 64 treesize of output 259 [2019-08-17 21:12:39,495 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,638 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2019-08-17 21:12:39,639 INFO L567 ElimStorePlain]: treesize reduction 277, result has 40.2 percent of original size [2019-08-17 21:12:39,639 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-17 21:12:39,639 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:182, output treesize:186 [2019-08-17 21:12:39,663 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:39,663 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 23 treesize of output 23 [2019-08-17 21:12:39,665 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,672 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:39,672 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:39,672 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2019-08-17 21:12:39,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,689 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:39,699 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:12:39,700 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:12:39,700 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:12:39,704 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 137#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:12:39,716 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:12:39,717 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:12:39,721 INFO L168 Benchmark]: Toolchain (without parser) took 2509.29 ms. Allocated memory was 140.0 MB in the beginning and 224.4 MB in the end (delta: 84.4 MB). Free memory was 87.4 MB in the beginning and 113.0 MB in the end (delta: -25.6 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,725 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.83 ms. Allocated memory is still 140.0 MB. Free memory was 87.2 MB in the beginning and 77.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,730 INFO L168 Benchmark]: Boogie Preprocessor took 126.21 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.2 MB in the beginning and 176.5 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,731 INFO L168 Benchmark]: RCFGBuilder took 337.22 ms. Allocated memory is still 199.8 MB. Free memory was 176.5 MB in the beginning and 161.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,731 INFO L168 Benchmark]: Symbolic Interpretation took 1744.32 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 161.1 MB in the beginning and 113.0 MB in the end (delta: 48.2 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:39,737 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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 137#(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 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 297.83 ms. Allocated memory is still 140.0 MB. Free memory was 87.2 MB in the beginning and 77.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.21 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 77.2 MB in the beginning and 176.5 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 337.22 ms. Allocated memory is still 199.8 MB. Free memory was 176.5 MB in the beginning and 161.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1744.32 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 161.1 MB in the beginning and 113.0 MB in the end (delta: 48.2 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...