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_1381.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:46:42,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:46:42,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:46:42,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:46:42,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:46:42,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:46:42,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:46:42,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:46:42,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:46:42,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:46:42,685 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:46:42,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:46:42,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:46:42,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:46:42,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:46:42,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:46:42,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:46:42,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:46:42,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:46:42,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:46:42,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:46:42,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:46:42,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:46:42,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:46:42,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:46:42,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:46:42,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:46:42,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:46:42,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:46:42,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:46:42,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:46:42,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:46:42,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:46:42,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:46:42,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:46:42,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:46:42,717 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 06:46:42,732 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:46:42,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:46:42,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:46:42,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:46:42,734 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:46:42,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:46:42,735 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:46:42,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:46:42,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:46:42,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:46:42,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:46:42,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:46:42,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:46:42,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:46:42,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:46:42,737 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:46:42,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:46:42,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:46:42,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:46:42,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:46:42,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:46:42,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:46:42,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:46:42,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:46:42,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:46:42,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:46:42,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:46:42,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:46:42,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:46:42,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:46:42,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:46:42,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:46:42,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:46:42,785 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:46:42,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1381.c [2019-08-18 06:46:42,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52cfd6712/00cdaf163a9c4779a794efc61d3035d2/FLAG925cff185 [2019-08-18 06:46:43,244 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:46:43,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1381.c [2019-08-18 06:46:43,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52cfd6712/00cdaf163a9c4779a794efc61d3035d2/FLAG925cff185 [2019-08-18 06:46:43,647 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52cfd6712/00cdaf163a9c4779a794efc61d3035d2 [2019-08-18 06:46:43,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:46:43,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:46:43,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:43,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:46:43,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:46:43,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:43,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43142fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43, skipping insertion in model container [2019-08-18 06:46:43,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:43,684 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:46:43,706 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:46:43,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:43,920 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:46:43,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:46:43,995 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:46:43,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43 WrapperNode [2019-08-18 06:46:43,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:46:43,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:46:43,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:46:43,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:46:44,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:44,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:44,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:44,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:44,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:44,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:44,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43" (1/1) ... [2019-08-18 06:46:44,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:46:44,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:46:44,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:46:44,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:46:44,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:46:43" (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 06:46:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:46:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:46:44,228 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2019-08-18 06:46:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-18 06:46:44,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:46:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:46:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:46:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2019-08-18 06:46:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:46:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:46:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:46:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:46:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:46:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:46:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-18 06:46:44,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:46:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:46:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:46:44,491 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:46:44,491 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-18 06:46:44,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:44 BoogieIcfgContainer [2019-08-18 06:46:44,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:46:44,494 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:46:44,494 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:46:44,494 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:46:44,495 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:46:44" (1/1) ... [2019-08-18 06:46:44,508 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:46:44,511 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:46:44,518 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:46:44,526 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:46:44,528 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:46:44,627 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 06:46:44,627 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:44,647 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:44,648 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:46:44,648 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:46:44,661 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:46:44,698 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_19|]} [2019-08-18 06:46:44,720 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 06:46:44,721 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:44,775 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:44,788 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 06:46:44,789 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:44,830 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:44,832 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_16|, |v_#memory_real_15|], 1=[|v_#memory_int_4|]} [2019-08-18 06:46:44,842 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 06:46:44,843 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:44,873 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:44,882 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 06:46:44,882 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:44,909 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:44,918 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 06:46:44,919 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:44,939 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:44,943 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 06:46:44,944 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:79, output treesize:24 [2019-08-18 06:46:44,974 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_12|], 3=[|v_#valid_20|]} [2019-08-18 06:46:45,010 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:45,011 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 [2019-08-18 06:46:45,014 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:45,140 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-08-18 06:46:45,141 INFO L567 ElimStorePlain]: treesize reduction 14, result has 87.2 percent of original size [2019-08-18 06:46:45,181 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:45,182 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 [2019-08-18 06:46:45,184 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:45,304 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-08-18 06:46:45,305 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-18 06:46:45,309 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_17|, |v_#memory_real_16|], 1=[|v_#memory_int_8|]} [2019-08-18 06:46:45,328 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 06:46:45,328 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:45,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:45,383 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 06:46:45,384 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:45,425 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:45,437 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 06:46:45,438 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:45,472 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:45,475 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. [2019-08-18 06:46:45,475 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:96, output treesize:41 [2019-08-18 06:46:45,489 INFO L392 ElimStorePlain]: Different costs {3=[|v_#length_13|], 6=[|v_#valid_21|]} [2019-08-18 06:46:45,539 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:45,540 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 3 case distinctions, treesize of input 17 treesize of output 58 [2019-08-18 06:46:45,541 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:45,689 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-08-18 06:46:45,690 INFO L567 ElimStorePlain]: treesize reduction 28, result has 79.6 percent of original size [2019-08-18 06:46:45,778 INFO L341 Elim1Store]: treesize reduction 8, result has 87.3 percent of original size [2019-08-18 06:46:45,779 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 69 [2019-08-18 06:46:45,781 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:45,905 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-08-18 06:46:45,906 INFO L567 ElimStorePlain]: treesize reduction 28, result has 78.6 percent of original size [2019-08-18 06:46:45,908 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_18|, |v_#memory_real_17|], 1=[|v_#memory_real_10|]} [2019-08-18 06:46:45,918 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 06:46:45,918 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:45,970 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:45,978 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 06:46:45,979 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:46,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:46,028 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 06:46:46,029 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:46:46,059 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:46:46,061 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-18 06:46:46,062 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:110, output treesize:55 [2019-08-18 06:46:46,117 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:46:46,117 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:46:46,121 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 97#(exists ((|v_copysign_float_~#gf_u~1.base_3| Int) (|v_copysign_float_~#gf_u~0.base_3| Int) (|v_copysign_float_~#sf_u~0.base_3| Int)) (and (= 0 |#NULL.base|) (not (= |v_copysign_float_~#gf_u~0.base_3| 0)) (< |v_copysign_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= (select |#length| |v_copysign_float_~#gf_u~1.base_3|) 4) (not (= |v_copysign_float_~#sf_u~0.base_3| 0)) (< |v_copysign_float_~#sf_u~0.base_3| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (= 0 (select |#valid| |v_copysign_float_~#sf_u~0.base_3|)) (= 0 (select |#valid| |v_copysign_float_~#gf_u~1.base_3|)) (= 4 (select |#length| |v_copysign_float_~#sf_u~0.base_3|)) (= (select |#length| |v_copysign_float_~#gf_u~0.base_3|) 4) (= (select |#valid| |v_copysign_float_~#gf_u~0.base_3|) 0) (= |#NULL.offset| 0) (not (= 0 |v_copysign_float_~#gf_u~1.base_3|)) (< |v_copysign_float_~#gf_u~0.base_3| |#StackHeapBarrier|))) [2019-08-18 06:46:46,139 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:46:46,140 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:46:46,143 INFO L168 Benchmark]: Toolchain (without parser) took 2478.86 ms. Allocated memory was 140.0 MB in the beginning and 226.0 MB in the end (delta: 86.0 MB). Free memory was 87.7 MB in the beginning and 117.0 MB in the end (delta: -29.3 MB). Peak memory consumption was 73.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:46,144 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:46:46,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.15 ms. Allocated memory is still 140.0 MB. Free memory was 87.5 MB in the beginning and 77.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:46,153 INFO L168 Benchmark]: Boogie Preprocessor took 169.32 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 77.2 MB in the beginning and 177.6 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:46,154 INFO L168 Benchmark]: RCFGBuilder took 327.23 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 160.9 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:46,158 INFO L168 Benchmark]: Symbolic Interpretation took 1646.12 ms. Allocated memory was 200.8 MB in the beginning and 226.0 MB in the end (delta: 25.2 MB). Free memory was 160.9 MB in the beginning and 117.0 MB in the end (delta: 43.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:46:46,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 49]: 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 97#(exists ((|v_copysign_float_~#gf_u~1.base_3| Int) (|v_copysign_float_~#gf_u~0.base_3| Int) (|v_copysign_float_~#sf_u~0.base_3| Int)) (and (= 0 |#NULL.base|) (not (= |v_copysign_float_~#gf_u~0.base_3| 0)) (< |v_copysign_float_~#gf_u~1.base_3| |#StackHeapBarrier|) (= (select |#length| |v_copysign_float_~#gf_u~1.base_3|) 4) (not (= |v_copysign_float_~#sf_u~0.base_3| 0)) (< |v_copysign_float_~#sf_u~0.base_3| |#StackHeapBarrier|) (= 0 (select |old(#valid)| 0)) (= 0 (select |#valid| |v_copysign_float_~#sf_u~0.base_3|)) (= 0 (select |#valid| |v_copysign_float_~#gf_u~1.base_3|)) (= 4 (select |#length| |v_copysign_float_~#sf_u~0.base_3|)) (= (select |#length| |v_copysign_float_~#gf_u~0.base_3|) 4) (= (select |#valid| |v_copysign_float_~#gf_u~0.base_3|) 0) (= |#NULL.offset| 0) (not (= 0 |v_copysign_float_~#gf_u~1.base_3|)) (< |v_copysign_float_~#gf_u~0.base_3| |#StackHeapBarrier|))). 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 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 329.15 ms. Allocated memory is still 140.0 MB. Free memory was 87.5 MB in the beginning and 77.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.32 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 77.2 MB in the beginning and 177.6 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 327.23 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 160.9 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1646.12 ms. Allocated memory was 200.8 MB in the beginning and 226.0 MB in the end (delta: 25.2 MB). Free memory was 160.9 MB in the beginning and 117.0 MB in the end (delta: 43.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...