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/inv_Newton-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:25:11,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:25:11,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:25:11,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:25:11,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:25:11,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:25:11,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:25:11,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:25:11,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:25:11,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:25:11,439 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:25:11,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:25:11,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:25:11,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:25:11,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:25:11,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:25:11,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:25:11,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:25:11,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:25:11,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:25:11,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:25:11,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:25:11,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:25:11,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:25:11,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:25:11,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:25:11,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:25:11,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:25:11,483 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 21:25:11,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:25:11,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:25:11,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:25:11,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:25:11,511 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:25:11,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:25:11,511 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:25:11,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:25:11,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:25:11,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:25:11,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:25:11,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:25:11,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:25:11,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:25:11,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:25:11,513 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:25:11,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:25:11,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:25:11,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:25:11,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:25:11,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:25:11,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:25:11,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:25:11,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:25:11,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:25:11,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:25:11,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:25:11,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:25:11,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:25:11,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:25:11,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:25:11,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:25:11,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:25:11,571 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:25:11,572 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton-1.c [2019-08-22 21:25:11,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5e8e423/a666a250fd51486a98baaab8ec3b4b38/FLAGb1bb88a85 [2019-08-22 21:25:12,093 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:25:12,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton-1.c [2019-08-22 21:25:12,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5e8e423/a666a250fd51486a98baaab8ec3b4b38/FLAGb1bb88a85 [2019-08-22 21:25:12,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d5e8e423/a666a250fd51486a98baaab8ec3b4b38 [2019-08-22 21:25:12,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:25:12,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:25:12,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:12,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:25:12,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:25:12,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20723235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12, skipping insertion in model container [2019-08-22 21:25:12,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,518 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:25:12,532 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:25:12,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:12,701 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:25:12,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:12,838 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:25:12,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12 WrapperNode [2019-08-22 21:25:12,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:12,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:25:12,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:25:12,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:25:12,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12" (1/1) ... [2019-08-22 21:25:12,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:25:12,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:25:12,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:25:12,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:25:12,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:12" (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 21:25:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:25:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:25:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:25:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure inv [2019-08-22 21:25:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:25:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:25:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-22 21:25:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:25:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:25:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure inv [2019-08-22 21:25:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:25:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:25:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:25:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:25:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:25:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:25:12,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:25:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:25:12,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:25:13,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:25:13,202 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 21:25:13,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:13 BoogieIcfgContainer [2019-08-22 21:25:13,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:25:13,204 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:25:13,204 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:25:13,205 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:25:13,206 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:13" (1/1) ... [2019-08-22 21:25:13,221 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:25:13,225 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:25:13,234 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:25:13,246 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:25:13,247 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:25:13,343 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 [2019-08-22 21:25:13,344 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:13,367 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:13,368 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:25:13,368 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:25:13,395 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 24 [2019-08-22 21:25:13,447 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_8|], 6=[|v_#valid_16|]} [2019-08-22 21:25:13,488 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:25:13,499 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 176 treesize of output 177 [2019-08-22 21:25:13,500 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:13,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:25:13,540 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 176 treesize of output 177 [2019-08-22 21:25:13,542 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:13,944 WARN L188 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-22 21:25:13,945 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:14,017 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-22 21:25:14,018 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 178 treesize of output 183 [2019-08-22 21:25:14,019 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,072 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-22 21:25:14,073 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 178 treesize of output 183 [2019-08-22 21:25:14,075 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,426 WARN L188 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-08-22 21:25:14,427 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:14,430 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_12|, |v_#memory_int_14|], 2=[|v_#memory_real_9|, |v_#memory_int_11|, |v_#memory_int_9|, |v_#memory_int_10|]} [2019-08-22 21:25:14,457 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 169 treesize of output 145 [2019-08-22 21:25:14,458 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,480 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 169 treesize of output 145 [2019-08-22 21:25:14,481 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,737 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-22 21:25:14,738 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:14,751 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 145 treesize of output 130 [2019-08-22 21:25:14,752 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,763 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 145 treesize of output 130 [2019-08-22 21:25:14,764 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:14,987 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-08-22 21:25:14,988 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,008 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 114 [2019-08-22 21:25:15,009 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,023 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 114 [2019-08-22 21:25:15,024 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,203 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-08-22 21:25:15,203 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,213 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:25:15,219 INFO L496 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:25:15,424 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-22 21:25:15,424 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,434 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,449 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,607 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-08-22 21:25:15,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,623 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 94 treesize of output 81 [2019-08-22 21:25:15,623 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,649 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 94 treesize of output 81 [2019-08-22 21:25:15,651 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,785 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-22 21:25:15,785 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:25:15,788 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-22 21:25:15,788 INFO L221 ElimStorePlain]: Needed 17 recursive calls to eliminate 12 variables, input treesize:353, output treesize:121 [2019-08-22 21:25:15,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:25:15,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:25:15,872 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:25:15,873 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,883 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:25:15,883 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,890 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:25:15,891 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,914 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2019-08-22 21:25:15,915 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,933 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 72 [2019-08-22 21:25:15,934 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:15,941 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:25:15,942 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:25:16,125 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-08-22 21:25:16,126 INFO L567 ElimStorePlain]: treesize reduction 12, result has 91.0 percent of original size [2019-08-22 21:25:16,129 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2019-08-22 21:25:16,129 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 9 variables, input treesize:457, output treesize:121 [2019-08-22 21:25:16,177 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 95 [2019-08-22 21:25:16,183 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:25:16,183 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:25:16,187 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 48#(and (exists ((|v_inv_~#A_u~0.base_4| Int) (|v_inv_~#xi_u~0.base_4| Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_prenex_9 Int)) (or (and (= 8 (select |#length| |v_inv_~#A_u~0.base_4|)) (= (select |#length| |v_inv_~#xi_u~0.base_4|) 8) (= |__VERIFIER_assert_#in~cond| 0) (not (= |v_inv_~#A_u~0.base_4| 0)) (not (= 0 |v_inv_~#xi_u~0.base_4|)) (< |v_inv_~#xi_u~0.base_4| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |v_inv_~#A_u~0.base_4| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= (select |#valid| |v_inv_~#A_u~0.base_4|) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| |v_inv_~#xi_u~0.base_4|)) (not (= |v_inv_~#A_u~0.base_4| |v_inv_~#xi_u~0.base_4|)) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 1) (not (= v_prenex_9 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select |#valid| v_prenex_9) 0) (= (select |#length| v_prenex_10) 8) (<= 0 |#NULL.base|) (not (= 0 v_prenex_10)) (= 8 (select |#length| v_prenex_9)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_prenex_9 |#StackHeapBarrier|) (not (= v_prenex_9 v_prenex_10)) (= 0 (select |#valid| v_prenex_10)) (< v_prenex_10 |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 v_prenex_13)) (= 0 |#NULL.base|) (not (= v_prenex_14 0)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_13)) (= (select |#valid| v_prenex_14) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_prenex_14 |#StackHeapBarrier|) (< v_prenex_13 |#StackHeapBarrier|) (not (= v_prenex_14 v_prenex_13)) (= (select |#length| v_prenex_13) 8) (= |#NULL.offset| 0) (= 8 (select |#length| v_prenex_14))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select |#valid| v_prenex_11) 0) (< v_prenex_12 |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_12)) (<= |#NULL.base| 0) (< v_prenex_11 |#StackHeapBarrier|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 v_prenex_12)) (= (select |#length| v_prenex_12) 8) (= 8 (select |#length| v_prenex_11)) (not (= v_prenex_11 0)) (not (= v_prenex_11 v_prenex_12)) (= |#NULL.offset| 0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 21:25:16,199 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:25:16,200 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:25:16,202 INFO L168 Benchmark]: Toolchain (without parser) took 3697.73 ms. Allocated memory was 133.2 MB in the beginning and 260.0 MB in the end (delta: 126.9 MB). Free memory was 89.1 MB in the beginning and 143.0 MB in the end (delta: -53.8 MB). Peak memory consumption was 106.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,203 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.32 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.9 MB in the beginning and 176.6 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,213 INFO L168 Benchmark]: Boogie Preprocessor took 43.62 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 174.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,214 INFO L168 Benchmark]: RCFGBuilder took 319.09 ms. Allocated memory is still 199.8 MB. Free memory was 174.3 MB in the beginning and 157.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,215 INFO L168 Benchmark]: Symbolic Interpretation took 2995.48 ms. Allocated memory was 199.8 MB in the beginning and 260.0 MB in the end (delta: 60.3 MB). Free memory was 157.9 MB in the beginning and 143.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:25:16,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 11]: 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 48#(and (exists ((|v_inv_~#A_u~0.base_4| Int) (|v_inv_~#xi_u~0.base_4| Int) (v_prenex_12 Int) (v_prenex_11 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_prenex_10 Int) (v_prenex_9 Int)) (or (and (= 8 (select |#length| |v_inv_~#A_u~0.base_4|)) (= (select |#length| |v_inv_~#xi_u~0.base_4|) 8) (= |__VERIFIER_assert_#in~cond| 0) (not (= |v_inv_~#A_u~0.base_4| 0)) (not (= 0 |v_inv_~#xi_u~0.base_4|)) (< |v_inv_~#xi_u~0.base_4| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |v_inv_~#A_u~0.base_4| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= (select |#valid| |v_inv_~#A_u~0.base_4|) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| |v_inv_~#xi_u~0.base_4|)) (not (= |v_inv_~#A_u~0.base_4| |v_inv_~#xi_u~0.base_4|)) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 1) (not (= v_prenex_9 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select |#valid| v_prenex_9) 0) (= (select |#length| v_prenex_10) 8) (<= 0 |#NULL.base|) (not (= 0 v_prenex_10)) (= 8 (select |#length| v_prenex_9)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_prenex_9 |#StackHeapBarrier|) (not (= v_prenex_9 v_prenex_10)) (= 0 (select |#valid| v_prenex_10)) (< v_prenex_10 |#StackHeapBarrier|) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 v_prenex_13)) (= 0 |#NULL.base|) (not (= v_prenex_14 0)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_13)) (= (select |#valid| v_prenex_14) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (< v_prenex_14 |#StackHeapBarrier|) (< v_prenex_13 |#StackHeapBarrier|) (not (= v_prenex_14 v_prenex_13)) (= (select |#length| v_prenex_13) 8) (= |#NULL.offset| 0) (= 8 (select |#length| v_prenex_14))) (and (= |__VERIFIER_assert_#in~cond| 1) (= (select |#valid| v_prenex_11) 0) (< v_prenex_12 |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 0 (select |#valid| v_prenex_12)) (<= |#NULL.base| 0) (< v_prenex_11 |#StackHeapBarrier|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 v_prenex_12)) (= (select |#length| v_prenex_12) 8) (= 8 (select |#length| v_prenex_11)) (not (= v_prenex_11 0)) (not (= v_prenex_11 v_prenex_12)) (= |#NULL.offset| 0)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 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 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 336.32 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.9 MB in the beginning and 176.6 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.62 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 174.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 319.09 ms. Allocated memory is still 199.8 MB. Free memory was 174.3 MB in the beginning and 157.9 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2995.48 ms. Allocated memory was 199.8 MB in the beginning and 260.0 MB in the end (delta: 60.3 MB). Free memory was 157.9 MB in the beginning and 143.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 108.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...