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_1251.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:46:37,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:46:37,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:46:37,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:46:37,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:46:37,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:46:37,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:46:37,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:46:37,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:46:37,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:46:37,718 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:46:37,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:46:37,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:46:37,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:46:37,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:46:37,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:46:37,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:46:37,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:46:37,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:46:37,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:46:37,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:46:37,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:46:37,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:46:37,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:46:37,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:46:37,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:46:37,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:46:37,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:46:37,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:46:37,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:46:37,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:46:37,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:46:37,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:46:37,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:46:37,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:46:37,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:46:37,773 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 06:46:37,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:46:37,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:46:37,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:46:37,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:46:37,806 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:46:37,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:46:37,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:46:37,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:46:37,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:46:37,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:46:37,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:46:37,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:46:37,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:46:37,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:46:37,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:46:37,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:46:37,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:46:37,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:46:37,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:46:37,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:46:37,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:46:37,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:46:37,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:46:37,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:46:37,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:46:37,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:46:37,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:46:37,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:46:37,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:46:37,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:46:37,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:46:37,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:46:37,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:46:37,868 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:46:37,868 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1251.c [2019-08-18 06:46:37,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5530381/885e84941ebd409db6c1d7f259dfa70a/FLAG8b89c2a6d [2019-08-18 06:46:38,431 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:46:38,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1251.c [2019-08-18 06:46:38,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5530381/885e84941ebd409db6c1d7f259dfa70a/FLAG8b89c2a6d [2019-08-18 06:46:38,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5530381/885e84941ebd409db6c1d7f259dfa70a [2019-08-18 06:46:38,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:46:38,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:46:38,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:38,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:46:38,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:46:38,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783648d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:38, skipping insertion in model container [2019-08-18 06:46:38,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:38" (1/1) ... [2019-08-18 06:46:38,842 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:46:38,868 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:46:39,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:39,097 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:46:39,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:39,244 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:46:39,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39 WrapperNode [2019-08-18 06:46:39,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:39,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:46:39,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:46:39,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:46:39,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:46:39,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:46:39,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:46:39,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:46:39,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:39" (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 06:46:39,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:46:39,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:46:39,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2019-08-18 06:46:39,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_float [2019-08-18 06:46:39,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-18 06:46:39,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:46:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:46:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:46:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2019-08-18 06:46:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:46:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:46:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:46:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:46:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_float [2019-08-18 06:46:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-18 06:46:39,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:46:39,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:46:39,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:46:39,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:46:39,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:46:39,780 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:46:39,780 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-18 06:46:39,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:39 BoogieIcfgContainer [2019-08-18 06:46:39,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:46:39,783 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:46:39,783 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:46:39,783 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:46:39,784 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:39" (1/1) ... [2019-08-18 06:46:39,796 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-18 06:46:39,799 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:46:39,807 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:46:39,816 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:46:39,817 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:46:39,908 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 06:46:39,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,928 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:39,928 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:46:39,929 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:46:39,938 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:46:40,030 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_17|]} [2019-08-18 06:46:40,053 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 [2019-08-18 06:46:40,053 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,108 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,121 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 [2019-08-18 06:46:40,123 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,169 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_12|, |v_#memory_int_13|], 1=[|v_#memory_int_10|]} [2019-08-18 06:46:40,184 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 [2019-08-18 06:46:40,185 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,221 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,237 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 [2019-08-18 06:46:40,238 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,268 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,280 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 [2019-08-18 06:46:40,280 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,303 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,305 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. [2019-08-18 06:46:40,308 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:40,330 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_18|]} [2019-08-18 06:46:40,343 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2019-08-18 06:46:40,345 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,379 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,401 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 [2019-08-18 06:46:40,402 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,441 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_13|, |v_#memory_int_14|], 1=[|v_#memory_int_10|]} [2019-08-18 06:46:40,449 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 [2019-08-18 06:46:40,450 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,489 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 [2019-08-18 06:46:40,490 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,514 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,523 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 [2019-08-18 06:46:40,524 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:40,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:40,543 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. [2019-08-18 06:46:40,544 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-18 06:46:40,634 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:46:40,693 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:46:40,740 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:46:40,741 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:46:40,744 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 249#(or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) [2019-08-18 06:46:40,744 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONERROR_FUNCTION has predicate 198#(or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) [2019-08-18 06:46:40,756 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:46:40,757 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:46:40,761 INFO L168 Benchmark]: Toolchain (without parser) took 1933.94 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 85.7 MB in the beginning and 79.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:40,765 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:46:40,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.75 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 85.5 MB in the beginning and 174.6 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:40,768 INFO L168 Benchmark]: Boogie Preprocessor took 41.52 ms. Allocated memory is still 197.7 MB. Free memory was 174.6 MB in the beginning and 172.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:40,770 INFO L168 Benchmark]: RCFGBuilder took 493.89 ms. Allocated memory is still 197.7 MB. Free memory was 172.3 MB in the beginning and 150.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:40,775 INFO L168 Benchmark]: Symbolic Interpretation took 974.08 ms. Allocated memory is still 197.7 MB. Free memory was 150.1 MB in the beginning and 79.1 MB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:40,783 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 74]: 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 249#(or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)). Possible FailurePath: - UnprovableResult [Line: 80]: 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 198#(or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.75 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 85.5 MB in the beginning and 174.6 MB in the end (delta: -89.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.52 ms. Allocated memory is still 197.7 MB. Free memory was 174.6 MB in the beginning and 172.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.89 ms. Allocated memory is still 197.7 MB. Free memory was 172.3 MB in the beginning and 150.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 974.08 ms. Allocated memory is still 197.7 MB. Free memory was 150.1 MB in the beginning and 79.1 MB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...