java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test30-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:54:15,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:54:15,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:54:15,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:54:15,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:54:15,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:54:15,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:54:15,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:54:15,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:54:15,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:54:15,243 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:54:15,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:54:15,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:54:15,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:54:15,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:54:15,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:54:15,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:54:15,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:54:15,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:54:15,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:54:15,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:54:15,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:54:15,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:54:15,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:54:15,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:54:15,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:54:15,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:54:15,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:54:15,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 06:54:15,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:54:15,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:54:15,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:54:15,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:54:15,292 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:54:15,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:54:15,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:54:15,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:54:15,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:54:15,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:54:15,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:54:15,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:54:15,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:54:15,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:54:15,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:54:15,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:54:15,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:54:15,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:54:15,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:54:15,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:54:15,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:54:15,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:54:15,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:54:15,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:54:15,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:54:15,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:54:15,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:54:15,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:54:15,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:54:15,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:54:15,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:54:15,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:54:15,344 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:54:15,344 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:54:15,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-2.c [2019-08-18 06:54:15,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705b945c3/daa3b71146d24d62aaf0ca03295e24d1/FLAG7b362c347 [2019-08-18 06:54:15,849 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:54:15,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-2.c [2019-08-18 06:54:15,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705b945c3/daa3b71146d24d62aaf0ca03295e24d1/FLAG7b362c347 [2019-08-18 06:54:16,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/705b945c3/daa3b71146d24d62aaf0ca03295e24d1 [2019-08-18 06:54:16,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:54:16,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:54:16,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:54:16,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:54:16,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:54:16,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54dc84aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16, skipping insertion in model container [2019-08-18 06:54:16,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,249 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:54:16,264 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:54:16,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:54:16,430 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:54:16,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:54:16,465 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:54:16,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16 WrapperNode [2019-08-18 06:54:16,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:54:16,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:54:16,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:54:16,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:54:16,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:54:16,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:54:16,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:54:16,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:54:16,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:54:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:54:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:54:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:54:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-08-18 06:54:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-08-18 06:54:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:54:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:54:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-08-18 06:54:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:54:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:54:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-08-18 06:54:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 06:54:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:54:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:54:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:54:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-18 06:54:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 06:54:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:54:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 06:54:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:54:16,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:54:16,926 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:54:16,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:54:16 BoogieIcfgContainer [2019-08-18 06:54:16,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:54:16,928 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:54:16,928 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:54:16,928 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:54:16,929 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:54:16" (1/1) ... [2019-08-18 06:54:16,940 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:54:16,942 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:54:16,948 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:54:16,955 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:54:16,956 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:54:17,036 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_7|], 21=[|v_#valid_8|]} [2019-08-18 06:54:17,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,079 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,090 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 [2019-08-18 06:54:17,090 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,218 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-08-18 06:54:17,218 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:17,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,229 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,241 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,242 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,244 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,258 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,262 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:17,268 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-08-18 06:54:17,269 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,440 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-08-18 06:54:17,441 INFO L567 ElimStorePlain]: treesize reduction 12, result has 89.8 percent of original size [2019-08-18 06:54:17,442 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,442 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:143, output treesize:106 [2019-08-18 06:54:17,464 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 64 [2019-08-18 06:54:17,489 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_11|, |v_#memory_$Pointer$.base_11|], 2=[|v_#memory_int_11|]} [2019-08-18 06:54:17,498 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 1 [2019-08-18 06:54:17,499 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,520 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:17,527 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 1 [2019-08-18 06:54:17,527 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,543 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:17,565 INFO L341 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2019-08-18 06:54:17,565 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 15 treesize of output 15 [2019-08-18 06:54:17,566 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,578 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:17,579 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,579 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:58, output treesize:24 [2019-08-18 06:54:17,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-08-18 06:54:17,597 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,635 INFO L567 ElimStorePlain]: treesize reduction 11, result has 73.2 percent of original size [2019-08-18 06:54:17,642 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-08-18 06:54:17,643 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,661 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:17,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:54:17,662 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:19 [2019-08-18 06:54:17,669 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:54:17,669 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:54:17,672 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 25#(and (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (= 1 (select |#valid| |~#global~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (not (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.base|) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 |~#b~0.offset|) (= (select |#length| |~#global~0.base|) 8) (= |~#global~0.base| main_~pd~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 1) (= |#NULL.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|) (= |~#global~0.offset| main_~pd~0.offset)) [2019-08-18 06:54:17,684 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:54:17,684 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:54:17,686 INFO L168 Benchmark]: Toolchain (without parser) took 1453.94 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 91.0 MB in the end (delta: -4.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:17,687 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 139.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:54:17,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.65 ms. Allocated memory is still 139.5 MB. Free memory was 86.4 MB in the beginning and 76.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:17,689 INFO L168 Benchmark]: Boogie Preprocessor took 120.69 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.5 MB in the beginning and 176.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:17,690 INFO L168 Benchmark]: RCFGBuilder took 339.83 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 160.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:17,691 INFO L168 Benchmark]: Symbolic Interpretation took 756.34 ms. Allocated memory is still 199.2 MB. Free memory was 160.7 MB in the beginning and 91.0 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:17,695 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 31]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 25#(and (= |~#global~0.offset| 0) (< |~#global~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 4 (select |#length| |~#b~0.base|)) (= 1 (select |#valid| |~#a~0.base|)) (= 1 (select |#valid| |~#global~0.base|)) (< |~#b~0.base| |#StackHeapBarrier|) (= 4 (select |#length| |~#a~0.base|)) (= (select |#valid| |~#b~0.base|) 1) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (not (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.base|) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= 0 |~#a~0.offset|) (= 0 |~#b~0.offset|) (= (select |#length| |~#global~0.base|) 8) (= |~#global~0.base| main_~pd~0.base) (= 0 (select |#valid| 0)) (= 0 (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)) (< |~#a~0.base| |#StackHeapBarrier|) (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) 1) (= |#NULL.offset| 0) (= (select (select |old(#memory_$Pointer$.offset)| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|) (= |~#global~0.offset| main_~pd~0.offset)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 139.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.65 ms. Allocated memory is still 139.5 MB. Free memory was 86.4 MB in the beginning and 76.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.69 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.5 MB in the beginning and 176.1 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 339.83 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 160.7 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 756.34 ms. Allocated memory is still 199.2 MB. Free memory was 160.7 MB in the beginning and 91.0 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...