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-newlib/float_req_bl_1010.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:40:14,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:40:14,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:40:14,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:40:14,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:40:14,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:40:14,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:40:14,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:40:14,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:40:14,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:40:14,539 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:40:14,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:40:14,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:40:14,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:40:14,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:40:14,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:40:14,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:40:14,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:40:14,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:40:14,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:40:14,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:40:14,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:40:14,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:40:14,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:40:14,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:40:14,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:40:14,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:40:14,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:40:14,579 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 21:40:14,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:40:14,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:40:14,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:40:14,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:40:14,606 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:40:14,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:40:14,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:40:14,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:40:14,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:40:14,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:40:14,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:40:14,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:40:14,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:40:14,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:40:14,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:40:14,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:40:14,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:40:14,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:40:14,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:40:14,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:40:14,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:40:14,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:40:14,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:40:14,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:40:14,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:40:14,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:40:14,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:40:14,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:40:14,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:40:14,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:40:14,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:40:14,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:40:14,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:40:14,673 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:40:14,673 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010.c [2019-08-22 21:40:14,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37164517b/574d812461ea437da637d8aa6b10f51d/FLAG7eb635693 [2019-08-22 21:40:15,209 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:40:15,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1010.c [2019-08-22 21:40:15,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37164517b/574d812461ea437da637d8aa6b10f51d/FLAG7eb635693 [2019-08-22 21:40:15,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37164517b/574d812461ea437da637d8aa6b10f51d [2019-08-22 21:40:15,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:40:15,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:40:15,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:40:15,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:40:15,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:40:15,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:15,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2f2d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15, skipping insertion in model container [2019-08-22 21:40:15,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:15,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:40:15,613 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:40:15,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:40:15,869 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:40:15,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:40:15,937 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:40:15,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15 WrapperNode [2019-08-22 21:40:15,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:40:15,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:40:15,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:40:15,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:40:16,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:16,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:16,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:16,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:16,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:16,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:16,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15" (1/1) ... [2019-08-22 21:40:16,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:40:16,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:40:16,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:40:16,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:40:16,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:40:15" (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 21:40:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:40:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:40:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-22 21:40:16,238 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-08-22 21:40:16,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:40:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:40:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-22 21:40:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-22 21:40:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-08-22 21:40:16,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:40:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-22 21:40:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:40:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:40:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:40:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-22 21:40:16,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:40:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:40:16,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:40:16,548 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:40:16,549 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-22 21:40:16,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:40:16 BoogieIcfgContainer [2019-08-22 21:40:16,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:40:16,551 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:40:16,551 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:40:16,551 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:40:16,552 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:40:16" (1/1) ... [2019-08-22 21:40:16,565 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:40:16,567 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:40:16,573 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:40:16,586 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:40:16,591 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:40:16,676 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 21:40:16,677 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:16,697 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:16,698 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:40:16,698 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:40:16,717 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 24 [2019-08-22 21:40:16,739 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 1=[|v_#valid_16|]} [2019-08-22 21:40:16,760 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 21:40:16,760 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:16,810 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:16,821 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-22 21:40:16,822 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:16,856 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:16,858 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_12|, |v_#memory_int_12|], 1=[|v_#memory_int_6|]} [2019-08-22 21:40:16,869 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-22 21:40:16,869 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:16,908 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:16,919 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-22 21:40:16,920 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:16,947 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:16,956 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2019-08-22 21:40:16,957 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:16,977 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:16,980 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:40:16,981 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-22 21:40:17,005 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_10|], 1=[|v_#valid_17|]} [2019-08-22 21:40:17,014 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 21:40:17,015 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,054 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,076 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-22 21:40:17,076 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,113 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,116 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_13|, |v_#memory_int_13|], 1=[|v_#memory_int_6|]} [2019-08-22 21:40:17,126 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-22 21:40:17,127 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,158 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,169 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-22 21:40:17,170 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,192 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,201 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2019-08-22 21:40:17,201 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,217 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,221 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:40:17,222 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-22 21:40:17,239 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_11|], 3=[|v_#valid_18|]} [2019-08-22 21:40:17,269 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,269 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-08-22 21:40:17,271 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,379 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-08-22 21:40:17,380 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-22 21:40:17,415 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,417 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 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-22 21:40:17,418 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,507 INFO L567 ElimStorePlain]: treesize reduction 14, result has 85.6 percent of original size [2019-08-22 21:40:17,509 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_14|, |v_#memory_int_14|], 1=[|v_#memory_real_9|]} [2019-08-22 21:40:17,517 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-22 21:40:17,518 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,564 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,577 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-22 21:40:17,578 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,611 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,617 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2019-08-22 21:40:17,618 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,643 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,646 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-22 21:40:17,646 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:90, output treesize:35 [2019-08-22 21:40:17,656 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_12|], 3=[|v_#valid_19|]} [2019-08-22 21:40:17,677 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,677 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2019-08-22 21:40:17,678 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,769 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-22 21:40:17,805 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,806 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 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-22 21:40:17,807 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,879 INFO L567 ElimStorePlain]: treesize reduction 14, result has 85.6 percent of original size [2019-08-22 21:40:17,881 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_15|, |v_#memory_real_15|], 1=[|v_#memory_real_9|]} [2019-08-22 21:40:17,888 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-22 21:40:17,889 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,927 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-22 21:40:17,928 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,956 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,962 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2019-08-22 21:40:17,963 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:40:17,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:40:17,984 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-22 21:40:17,986 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:90, output treesize:35 [2019-08-22 21:40:18,014 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:40:18,015 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:40:18,017 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 60#(exists ((|v_fabs_float_~#sf_u~0.base_3| Int) (|v_fabs_float_~#gf_u~0.base_3| Int)) (and (= 0 |#NULL.base|) (= 0 (select |#valid| |v_fabs_float_~#sf_u~0.base_3|)) (<= |#NULL.base| 0) (= 0 (select |#valid| |v_fabs_float_~#gf_u~0.base_3|)) (not (= 0 |v_fabs_float_~#gf_u~0.base_3|)) (<= 0 |#NULL.base|) (= 4 (select |#length| |v_fabs_float_~#gf_u~0.base_3|)) (= (select |#length| |v_fabs_float_~#sf_u~0.base_3|) 4) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< |v_fabs_float_~#gf_u~0.base_3| |#StackHeapBarrier|) (< |v_fabs_float_~#sf_u~0.base_3| |#StackHeapBarrier|) (not (= 0 |v_fabs_float_~#sf_u~0.base_3|)) (= |#NULL.offset| 0))) [2019-08-22 21:40:18,040 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:40:18,040 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:40:18,042 INFO L168 Benchmark]: Toolchain (without parser) took 2465.27 ms. Allocated memory was 140.5 MB in the beginning and 227.5 MB in the end (delta: 87.0 MB). Free memory was 88.1 MB in the beginning and 143.2 MB in the end (delta: -55.1 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:18,043 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:40:18,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.06 ms. Allocated memory is still 140.5 MB. Free memory was 87.9 MB in the beginning and 77.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:18,048 INFO L168 Benchmark]: Boogie Preprocessor took 232.42 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 77.4 MB in the beginning and 179.9 MB in the end (delta: -102.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:18,049 INFO L168 Benchmark]: RCFGBuilder took 377.26 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 164.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:18,050 INFO L168 Benchmark]: Symbolic Interpretation took 1489.66 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 164.8 MB in the beginning and 143.2 MB in the end (delta: 21.6 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:40:18,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 40]: 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 60#(exists ((|v_fabs_float_~#sf_u~0.base_3| Int) (|v_fabs_float_~#gf_u~0.base_3| Int)) (and (= 0 |#NULL.base|) (= 0 (select |#valid| |v_fabs_float_~#sf_u~0.base_3|)) (<= |#NULL.base| 0) (= 0 (select |#valid| |v_fabs_float_~#gf_u~0.base_3|)) (not (= 0 |v_fabs_float_~#gf_u~0.base_3|)) (<= 0 |#NULL.base|) (= 4 (select |#length| |v_fabs_float_~#gf_u~0.base_3|)) (= (select |#length| |v_fabs_float_~#sf_u~0.base_3|) 4) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< |v_fabs_float_~#gf_u~0.base_3| |#StackHeapBarrier|) (< |v_fabs_float_~#sf_u~0.base_3| |#StackHeapBarrier|) (not (= 0 |v_fabs_float_~#sf_u~0.base_3|)) (= |#NULL.offset| 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.06 ms. Allocated memory is still 140.5 MB. Free memory was 87.9 MB in the beginning and 77.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 232.42 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 77.4 MB in the beginning and 179.9 MB in the end (delta: -102.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 377.26 ms. Allocated memory is still 203.4 MB. Free memory was 179.9 MB in the beginning and 164.8 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1489.66 ms. Allocated memory was 203.4 MB in the beginning and 227.5 MB in the end (delta: 24.1 MB). Free memory was 164.8 MB in the beginning and 143.2 MB in the end (delta: 21.6 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...