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/ludcmp.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:57:55,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:57:55,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:57:55,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:57:55,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:57:55,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:57:55,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:57:55,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:57:55,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:57:55,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:57:55,977 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:57:55,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:57:55,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:57:55,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:57:55,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:57:55,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:57:55,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:57:55,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:57:55,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:57:55,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:57:55,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:57:55,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:57:55,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:57:55,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:57:55,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:57:56,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:57:56,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:57:56,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:57:56,004 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 [2019-08-22 21:57:56,019 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:57:56,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:57:56,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:57:56,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:57:56,021 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:57:56,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:57:56,021 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:57:56,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:57:56,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:57:56,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:57:56,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:57:56,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:57:56,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:57:56,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:57:56,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:57:56,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:57:56,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:57:56,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:57:56,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:57:56,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:57:56,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:57:56,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:57:56,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:57:56,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:57:56,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:57:56,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:57:56,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:57:56,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:57:56,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:57:56,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:57:56,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:57:56,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:57:56,077 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:57:56,077 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:57:56,078 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/ludcmp.c [2019-08-22 21:57:56,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d823f55e/9355b8e4aa4d42b2ad92bed188bab64a/FLAG414f9064a [2019-08-22 21:57:56,581 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:57:56,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/ludcmp.c [2019-08-22 21:57:56,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d823f55e/9355b8e4aa4d42b2ad92bed188bab64a/FLAG414f9064a [2019-08-22 21:57:56,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d823f55e/9355b8e4aa4d42b2ad92bed188bab64a [2019-08-22 21:57:56,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:57:56,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:57:56,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:57:56,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:57:56,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:57:56,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b33d5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:56, skipping insertion in model container [2019-08-22 21:57:56,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:57:56" (1/1) ... [2019-08-22 21:57:56,990 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:57:57,027 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:57:57,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:57:57,305 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:57:57,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:57:57,441 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:57:57,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57 WrapperNode [2019-08-22 21:57:57,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:57:57,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:57:57,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:57:57,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:57:57,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57" (1/1) ... [2019-08-22 21:57:57,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57" (1/1) ... [2019-08-22 21:57:57,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57" (1/1) ... [2019-08-22 21:57:57,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57" (1/1) ... [2019-08-22 21:57:57,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57" (1/1) ... [2019-08-22 21:57:57,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57" (1/1) ... [2019-08-22 21:57:57,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57" (1/1) ... [2019-08-22 21:57:57,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:57:57,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:57:57,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:57:57,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:57:57,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:57" (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 [2019-08-22 21:57:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:57:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:57:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:57:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2019-08-22 21:57:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:57:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2019-08-22 21:57:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:57:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:57:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2019-08-22 21:57:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2019-08-22 21:57:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:57:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:57:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:57:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:57:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:57:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:57:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:57:57,983 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:57:57,983 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-22 21:57:57,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:57:57 BoogieIcfgContainer [2019-08-22 21:57:57,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:57:57,985 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:57:57,985 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:57:57,985 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:57:57,986 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:57:57" (1/1) ... [2019-08-22 21:57:58,000 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:57:58,002 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:57:58,009 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:57:58,016 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:57:58,018 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:57:58,085 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_20|]} [2019-08-22 21:57:58,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,124 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,144 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-22 21:57:58,146 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,243 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:58,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,252 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,280 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,311 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-22 21:57:58,312 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 42 [2019-08-22 21:57:58,313 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,434 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-08-22 21:57:58,434 INFO L567 ElimStorePlain]: treesize reduction 12, result has 86.8 percent of original size [2019-08-22 21:57:58,446 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:58,450 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2019-08-22 21:57:58,451 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,516 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:58,517 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,517 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:112, output treesize:82 [2019-08-22 21:57:58,556 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 65 [2019-08-22 21:57:58,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:58,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:58,743 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:58,748 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 [2019-08-22 21:57:58,749 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:58,756 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,757 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-08-22 21:57:58,765 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 18 treesize of output 14 [2019-08-22 21:57:58,765 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,770 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:58,771 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,771 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:3 [2019-08-22 21:57:58,777 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 18 treesize of output 14 [2019-08-22 21:57:58,778 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:58,789 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,789 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2019-08-22 21:57:58,793 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:58,798 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 [2019-08-22 21:57:58,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,805 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:58,806 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:58,806 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2019-08-22 21:57:58,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:58,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:58,820 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-22 21:57:58,821 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:57:58,821 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:57:58,823 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 156#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 21:57:58,832 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:57:58,832 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:57:58,834 INFO L168 Benchmark]: Toolchain (without parser) took 1862.76 ms. Allocated memory was 133.7 MB in the beginning and 225.4 MB in the end (delta: 91.8 MB). Free memory was 89.9 MB in the beginning and 185.9 MB in the end (delta: -96.0 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:58,835 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:57:58,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.80 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 89.5 MB in the beginning and 174.0 MB in the end (delta: -84.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:58,836 INFO L168 Benchmark]: Boogie Preprocessor took 49.43 ms. Allocated memory is still 199.2 MB. Free memory was 174.0 MB in the beginning and 171.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:58,837 INFO L168 Benchmark]: RCFGBuilder took 492.66 ms. Allocated memory is still 199.2 MB. Free memory was 171.5 MB in the beginning and 145.0 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:58,838 INFO L168 Benchmark]: Symbolic Interpretation took 847.29 ms. Allocated memory was 199.2 MB in the beginning and 225.4 MB in the end (delta: 26.2 MB). Free memory was 145.0 MB in the beginning and 185.9 MB in the end (delta: -40.8 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:57:58,842 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 156#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__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 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 466.80 ms. Allocated memory was 133.7 MB in the beginning and 199.2 MB in the end (delta: 65.5 MB). Free memory was 89.5 MB in the beginning and 174.0 MB in the end (delta: -84.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.43 ms. Allocated memory is still 199.2 MB. Free memory was 174.0 MB in the beginning and 171.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 492.66 ms. Allocated memory is still 199.2 MB. Free memory was 171.5 MB in the beginning and 145.0 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 847.29 ms. Allocated memory was 199.2 MB in the beginning and 225.4 MB in the end (delta: 26.2 MB). Free memory was 145.0 MB in the beginning and 185.9 MB in the end (delta: -40.8 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...