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_copyInit_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:12:53,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:12:53,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:12:53,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:12:53,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:12:53,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:12:53,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:12:53,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:12:53,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:12:53,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:12:53,033 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:12:53,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:12:53,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:12:53,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:12:53,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:12:53,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:12:53,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:12:53,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:12:53,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:12:53,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:12:53,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:12:53,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:12:53,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:12:53,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:12:53,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-17 21:12:53,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-17 21:12:53,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-17 21:12:53,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-17 21:12:53,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-17 21:12:53,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-17 21:12:53,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:12:53,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:12:53,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:12:53,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:12:53,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:12:53,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:12:53,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:12:53,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:12:53,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:12:53,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:12:53,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:12:53,060 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 21:12:53,074 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:12:53,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:12:53,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:12:53,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:12:53,076 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:12:53,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:12:53,076 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:12:53,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:12:53,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:12:53,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:12:53,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:12:53,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:12:53,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:12:53,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:12:53,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:12:53,078 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:12:53,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:12:53,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:12:53,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:12:53,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:12:53,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:12:53,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:12:53,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:12:53,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:12:53,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:12:53,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:12:53,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:12:53,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:12:53,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:12:53,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:12:53,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:12:53,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:12:53,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:12:53,139 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:12:53,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_copyInit_ground.i [2019-08-17 21:12:53,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28cde60c7/e8de0fa3057049deae92bceabc1ffeec/FLAGea915e700 [2019-08-17 21:12:53,669 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:12:53,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/standard_copyInit_ground.i [2019-08-17 21:12:53,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28cde60c7/e8de0fa3057049deae92bceabc1ffeec/FLAGea915e700 [2019-08-17 21:12:54,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28cde60c7/e8de0fa3057049deae92bceabc1ffeec [2019-08-17 21:12:54,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:12:54,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:12:54,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:54,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:12:54,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:12:54,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768f3d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54, skipping insertion in model container [2019-08-17 21:12:54,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,079 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:12:54,096 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:12:54,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:54,277 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:12:54,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:12:54,329 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:12:54,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54 WrapperNode [2019-08-17 21:12:54,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:12:54,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:12:54,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:12:54,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:12:54,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:12:54,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:12:54,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:12:54,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:12:54,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:12:54" (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 21:12:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:12:54,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:12:54,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:12:54,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:12:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:12:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:12:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:12:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:12:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:12:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:12:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:12:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:12:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:12:54,811 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:12:54,811 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:12:54,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:54 BoogieIcfgContainer [2019-08-17 21:12:54,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:12:54,816 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:12:54,822 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:12:54,823 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:12:54,824 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:12:54" (1/1) ... [2019-08-17 21:12:54,862 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:12:54,868 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:12:54,882 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:12:54,891 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:12:54,893 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:12:54,994 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 21:12:54,995 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:55,023 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,024 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:12:55,036 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:12:55,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:55,121 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 16 treesize of output 12 [2019-08-17 21:12:55,121 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,140 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:55,141 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,141 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16 [2019-08-17 21:12:55,189 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:55,190 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 21:12:55,191 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,211 INFO L567 ElimStorePlain]: treesize reduction 3, result has 88.5 percent of original size [2019-08-17 21:12:55,211 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,212 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:23 [2019-08-17 21:12:55,401 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2019-08-17 21:12:55,402 INFO L341 Elim1Store]: treesize reduction 56, result has 66.3 percent of original size [2019-08-17 21:12:55,405 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 21:12:55,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:55,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:55,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:55,424 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,535 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 25 [2019-08-17 21:12:55,536 INFO L567 ElimStorePlain]: treesize reduction 188, result has 19.7 percent of original size [2019-08-17 21:12:55,536 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,537 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:46 [2019-08-17 21:12:55,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:55,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:55,567 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:55,569 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:55,691 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-08-17 21:12:55,692 INFO L341 Elim1Store]: treesize reduction 44, result has 72.2 percent of original size [2019-08-17 21:12:55,693 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 21:12:55,695 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:55,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:55,709 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:55,711 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:55,713 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:55,715 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:55,716 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:56,045 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-08-17 21:12:56,045 INFO L341 Elim1Store]: treesize reduction 44, result has 83.0 percent of original size [2019-08-17 21:12:56,046 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 21:12:56,050 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:56,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:56,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:56,080 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-17 21:12:56,082 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:12:56,084 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 58 [2019-08-17 21:12:56,090 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:56,234 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2019-08-17 21:12:56,235 INFO L567 ElimStorePlain]: treesize reduction 277, result has 40.3 percent of original size [2019-08-17 21:12:56,236 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-17 21:12:56,237 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:182, output treesize:187 [2019-08-17 21:12:56,262 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:12:56,263 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 21:12:56,264 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:12:56,272 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:12:56,273 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:12:56,273 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2019-08-17 21:12:56,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:56,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:56,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:12:56,310 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:12:56,311 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:12:56,311 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:12:56,315 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 104#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:12:56,326 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:12:56,326 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:12:56,332 INFO L168 Benchmark]: Toolchain (without parser) took 2268.00 ms. Allocated memory was 132.1 MB in the beginning and 221.8 MB in the end (delta: 89.7 MB). Free memory was 88.0 MB in the beginning and 159.0 MB in the end (delta: -71.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:56,334 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:12:56,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.52 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:56,337 INFO L168 Benchmark]: Boogie Preprocessor took 157.41 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.1 MB in the beginning and 175.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:56,338 INFO L168 Benchmark]: RCFGBuilder took 326.07 ms. Allocated memory is still 199.8 MB. Free memory was 175.3 MB in the beginning and 161.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:56,343 INFO L168 Benchmark]: Symbolic Interpretation took 1512.96 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 161.9 MB in the beginning and 159.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:12:56,354 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 104#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 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 0.42 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 267.52 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 157.41 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 78.1 MB in the beginning and 175.3 MB in the end (delta: -97.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 326.07 ms. Allocated memory is still 199.8 MB. Free memory was 175.3 MB in the beginning and 161.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1512.96 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 161.9 MB in the beginning and 159.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...