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/float-benchs/cast_float_ptr.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:17:46,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:17:46,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:17:46,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:17:46,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:17:46,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:17:46,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:17:46,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:17:46,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:17:46,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:17:46,461 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:17:46,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:17:46,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:17:46,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:17:46,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:17:46,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:17:46,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:17:46,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:17:46,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:17:46,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:17:46,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:17:46,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:17:46,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:17:46,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:17:46,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:17:46,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:17:46,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:17:46,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:17:46,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:17:46,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:17:46,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:17:46,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:17:46,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:17:46,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:17:46,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:17:46,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:17:46,487 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 06:17:46,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:17:46,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:17:46,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:17:46,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:17:46,513 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:17:46,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:17:46,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:17:46,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:17:46,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:17:46,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:17:46,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:17:46,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:17:46,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:17:46,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:17:46,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:17:46,515 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:17:46,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:17:46,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:17:46,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:17:46,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:17:46,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:17:46,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:17:46,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:17:46,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:17:46,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:17:46,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:17:46,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:17:46,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:17:46,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:17:46,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:17:46,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:17:46,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:17:46,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:17:46,573 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:17:46,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2019-08-18 06:17:46,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff6b1a82/326620a82fd14540847d47011daeda51/FLAGc4e2371d1 [2019-08-18 06:17:47,127 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:17:47,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2019-08-18 06:17:47,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff6b1a82/326620a82fd14540847d47011daeda51/FLAGc4e2371d1 [2019-08-18 06:17:47,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ff6b1a82/326620a82fd14540847d47011daeda51 [2019-08-18 06:17:47,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:17:47,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:17:47,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:47,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:17:47,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:17:47,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3482c4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47, skipping insertion in model container [2019-08-18 06:17:47,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,502 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:17:47,521 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:17:47,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:47,738 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:17:47,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:47,788 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:17:47,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47 WrapperNode [2019-08-18 06:17:47,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:47,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:17:47,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:17:47,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:17:47,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47" (1/1) ... [2019-08-18 06:17:47,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:17:47,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:17:47,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:17:47,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:17:47,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:47" (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 06:17:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:17:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:17:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 06:17:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2019-08-18 06:17:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:17:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:17:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-18 06:17:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:17:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2019-08-18 06:17:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:17:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:17:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:17:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:17:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:17:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:17:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:17:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:17:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:17:48,265 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:17:48,266 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:17:48,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:48 BoogieIcfgContainer [2019-08-18 06:17:48,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:17:48,268 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:17:48,268 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:17:48,268 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:17:48,269 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,291 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:17:48,294 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:17:48,304 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:17:48,315 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:17:48,317 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:17:48,432 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:17:48,432 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:48,463 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:48,464 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:17:48,464 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:17:48,475 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:17:48,483 INFO L185 IcfgInterpreter]: Interpreting procedure cast with input of size 20 [2019-08-18 06:17:48,518 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_real_8|], 4=[|v_#memory_int_17|]} [2019-08-18 06:17:48,536 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:17:48,694 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-08-18 06:17:48,695 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:48,704 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:17:48,842 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-18 06:17:48,843 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:48,845 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 06:17:48,846 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:174 [2019-08-18 06:17:48,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:17:48,945 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_4, |v_old(#length)_BEFORE_CALL_2|], 21=[v_prenex_9, |v_old(#valid)_BEFORE_CALL_2|]} [2019-08-18 06:17:48,980 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:48,985 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:48,989 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:49,026 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 148 treesize of output 151 [2019-08-18 06:17:49,027 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,056 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:49,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:49,060 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:49,079 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 148 treesize of output 151 [2019-08-18 06:17:49,081 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,592 WARN L188 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-08-18 06:17:49,593 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,616 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:49,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:49,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:49,659 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 148 treesize of output 151 [2019-08-18 06:17:49,660 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:50,164 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-18 06:17:50,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:50,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:50,187 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:50,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:50,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:50,296 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-18 06:17:50,297 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 154 [2019-08-18 06:17:50,299 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:50,310 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:50,311 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:50,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:50,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:50,362 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-18 06:17:50,363 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 154 [2019-08-18 06:17:50,364 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:51,153 WARN L188 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2019-08-18 06:17:51,154 INFO L567 ElimStorePlain]: treesize reduction 24, result has 94.3 percent of original size [2019-08-18 06:17:51,178 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:51,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:51,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:51,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:51,247 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-18 06:17:51,249 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 146 treesize of output 154 [2019-08-18 06:17:51,251 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:51,918 WARN L188 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2019-08-18 06:17:51,918 INFO L567 ElimStorePlain]: treesize reduction 12, result has 96.8 percent of original size [2019-08-18 06:17:51,961 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 122 treesize of output 113 [2019-08-18 06:17:51,962 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:51,986 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 122 treesize of output 113 [2019-08-18 06:17:51,987 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:52,246 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-08-18 06:17:52,247 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:52,277 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 93 [2019-08-18 06:17:52,278 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:52,318 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 93 [2019-08-18 06:17:52,319 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:52,548 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-18 06:17:52,549 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:52,574 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 102 [2019-08-18 06:17:52,574 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:52,794 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-18 06:17:52,794 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:52,811 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 102 treesize of output 93 [2019-08-18 06:17:52,812 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:53,018 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-18 06:17:53,018 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:53,023 INFO L496 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 4 dim-1 vars, 4 dim-2 vars, End of recursive call: 9 dim-0 vars, and 3 xjuncts. [2019-08-18 06:17:53,023 INFO L221 ElimStorePlain]: Needed 13 recursive calls to eliminate 20 variables, input treesize:445, output treesize:217 [2019-08-18 06:17:53,024 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 99 [2019-08-18 06:17:53,027 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:17:53,028 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:17:53,030 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 24#(and (exists ((|v_cast_~#d.base_BEFORE_CALL_1| Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_prenex_6 Int) (v_prenex_2 Int) (|v_cast_~#f~0.base_BEFORE_CALL_1| Int) (|v_cast_~#dmax~0.base_BEFORE_CALL_1| Int)) (or (and (< v_prenex_11 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (= 4 (select |#length| v_prenex_11)) (= 8 (select |#length| v_prenex_13)) (= 8 (select |#length| v_prenex_12)) (= (select (select |#memory_int| v_prenex_13) 4) 3758096384) (< v_prenex_12 |#StackHeapBarrier|) (= (select |#valid| v_prenex_13) 1) (= (select (select |#memory_int| v_prenex_13) 0) 1206910975) (not (= v_prenex_13 v_prenex_12)) (= 1 (select |#valid| v_prenex_12)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_prenex_11)) (< v_prenex_13 |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (< v_prenex_6 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 1) (= 0 |#NULL.base|) (= 4 (select |#length| v_prenex_6)) (= 8 (select |#length| v_prenex_10)) (= 8 (select |#length| v_prenex_2)) (= (select (select |#memory_int| v_prenex_10) 4) 3758096384) (< v_prenex_2 |#StackHeapBarrier|) (= (select |#valid| v_prenex_10) 1) (= (select (select |#memory_int| v_prenex_10) 0) 1206910975) (not (= v_prenex_10 v_prenex_2)) (= 1 (select |#valid| v_prenex_2)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_prenex_6)) (< v_prenex_10 |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (= 3758096384 (select (select |#memory_int| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 4)) (= |__VERIFIER_assert_#in~cond| 0) (= (select |#length| |v_cast_~#f~0.base_BEFORE_CALL_1|) 4) (= 0 |#NULL.base|) (= (select |#valid| |v_cast_~#f~0.base_BEFORE_CALL_1|) 1) (= (select |#length| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 8) (< |v_cast_~#d.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= 1 (select |#valid| |v_cast_~#d.base_BEFORE_CALL_1|)) (< |v_cast_~#f~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (not (= |v_cast_~#dmax~0.base_BEFORE_CALL_1| |v_cast_~#d.base_BEFORE_CALL_1|)) (= 0 (select |#valid| 0)) (= 1206910975 (select (select |#memory_int| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 0)) (= |#NULL.offset| 0) (< |v_cast_~#dmax~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= (select |#length| |v_cast_~#d.base_BEFORE_CALL_1|) 8) (= 1 (select |#valid| |v_cast_~#dmax~0.base_BEFORE_CALL_1|))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 06:17:53,045 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:17:53,045 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:17:53,047 INFO L168 Benchmark]: Toolchain (without parser) took 5561.96 ms. Allocated memory was 141.6 MB in the beginning and 257.4 MB in the end (delta: 115.9 MB). Free memory was 89.4 MB in the beginning and 194.4 MB in the end (delta: -105.0 MB). Peak memory consumption was 115.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:53,048 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-18 06:17:53,049 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.88 ms. Allocated memory is still 141.6 MB. Free memory was 89.2 MB in the beginning and 79.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:53,050 INFO L168 Benchmark]: Boogie Preprocessor took 153.20 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 79.1 MB in the beginning and 176.2 MB in the end (delta: -97.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:53,051 INFO L168 Benchmark]: RCFGBuilder took 323.21 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 159.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:53,051 INFO L168 Benchmark]: Symbolic Interpretation took 4778.04 ms. Allocated memory was 199.2 MB in the beginning and 257.4 MB in the end (delta: 58.2 MB). Free memory was 159.8 MB in the beginning and 194.4 MB in the end (delta: -34.6 MB). Peak memory consumption was 128.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:53,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3]: 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 24#(and (exists ((|v_cast_~#d.base_BEFORE_CALL_1| Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_prenex_6 Int) (v_prenex_2 Int) (|v_cast_~#f~0.base_BEFORE_CALL_1| Int) (|v_cast_~#dmax~0.base_BEFORE_CALL_1| Int)) (or (and (< v_prenex_11 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (= 4 (select |#length| v_prenex_11)) (= 8 (select |#length| v_prenex_13)) (= 8 (select |#length| v_prenex_12)) (= (select (select |#memory_int| v_prenex_13) 4) 3758096384) (< v_prenex_12 |#StackHeapBarrier|) (= (select |#valid| v_prenex_13) 1) (= (select (select |#memory_int| v_prenex_13) 0) 1206910975) (not (= v_prenex_13 v_prenex_12)) (= 1 (select |#valid| v_prenex_12)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_prenex_11)) (< v_prenex_13 |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (< v_prenex_6 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 1) (= 0 |#NULL.base|) (= 4 (select |#length| v_prenex_6)) (= 8 (select |#length| v_prenex_10)) (= 8 (select |#length| v_prenex_2)) (= (select (select |#memory_int| v_prenex_10) 4) 3758096384) (< v_prenex_2 |#StackHeapBarrier|) (= (select |#valid| v_prenex_10) 1) (= (select (select |#memory_int| v_prenex_10) 0) 1206910975) (not (= v_prenex_10 v_prenex_2)) (= 1 (select |#valid| v_prenex_2)) (= 0 (select |#valid| 0)) (= 1 (select |#valid| v_prenex_6)) (< v_prenex_10 |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (= 3758096384 (select (select |#memory_int| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 4)) (= |__VERIFIER_assert_#in~cond| 0) (= (select |#length| |v_cast_~#f~0.base_BEFORE_CALL_1|) 4) (= 0 |#NULL.base|) (= (select |#valid| |v_cast_~#f~0.base_BEFORE_CALL_1|) 1) (= (select |#length| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 8) (< |v_cast_~#d.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= 1 (select |#valid| |v_cast_~#d.base_BEFORE_CALL_1|)) (< |v_cast_~#f~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (not (= |v_cast_~#dmax~0.base_BEFORE_CALL_1| |v_cast_~#d.base_BEFORE_CALL_1|)) (= 0 (select |#valid| 0)) (= 1206910975 (select (select |#memory_int| |v_cast_~#dmax~0.base_BEFORE_CALL_1|) 0)) (= |#NULL.offset| 0) (< |v_cast_~#dmax~0.base_BEFORE_CALL_1| |#StackHeapBarrier|) (= (select |#length| |v_cast_~#d.base_BEFORE_CALL_1|) 8) (= 1 (select |#valid| |v_cast_~#dmax~0.base_BEFORE_CALL_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 0.48 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.88 ms. Allocated memory is still 141.6 MB. Free memory was 89.2 MB in the beginning and 79.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 153.20 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 79.1 MB in the beginning and 176.2 MB in the end (delta: -97.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.21 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 159.8 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4778.04 ms. Allocated memory was 199.2 MB in the beginning and 257.4 MB in the end (delta: 58.2 MB). Free memory was 159.8 MB in the beginning and 194.4 MB in the end (delta: -34.6 MB). Peak memory consumption was 128.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...