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_1051.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 02:45:33,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 02:45:33,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 02:45:33,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 02:45:33,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 02:45:33,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 02:45:33,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 02:45:33,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 02:45:33,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 02:45:33,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 02:45:33,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 02:45:33,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 02:45:33,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 02:45:33,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 02:45:33,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 02:45:33,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 02:45:33,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 02:45:33,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 02:45:33,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 02:45:33,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 02:45:33,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 02:45:33,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 02:45:33,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 02:45:33,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 02:45:33,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 02:45:33,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 02:45:33,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 02:45:33,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 02:45:33,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 02:45:33,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 02:45:33,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 02:45:33,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 02:45:33,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 02:45:33,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 02:45:33,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 02:45:33,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 02:45:33,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 02:45:33,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 02:45:33,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 02:45:33,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 02:45:33,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 02:45:33,853 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 [2019-08-31 02:45:33,868 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 02:45:33,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 02:45:33,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 02:45:33,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 02:45:33,870 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 02:45:33,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 02:45:33,871 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 02:45:33,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 02:45:33,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 02:45:33,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 02:45:33,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 02:45:33,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 02:45:33,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 02:45:33,872 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 02:45:33,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 02:45:33,872 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 02:45:33,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 02:45:33,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 02:45:33,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 02:45:33,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 02:45:33,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 02:45:33,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 02:45:33,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 02:45:33,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 02:45:33,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 02:45:33,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 02:45:33,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 02:45:33,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 02:45:33,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 02:45:33,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 02:45:33,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 02:45:33,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 02:45:33,921 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 02:45:33,921 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 02:45:33,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1051.c [2019-08-31 02:45:34,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2de23acc1/c2d3f852fef8475682887a0a59583668/FLAGdad183273 [2019-08-31 02:45:34,430 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 02:45:34,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1051.c [2019-08-31 02:45:34,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2de23acc1/c2d3f852fef8475682887a0a59583668/FLAGdad183273 [2019-08-31 02:45:34,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2de23acc1/c2d3f852fef8475682887a0a59583668 [2019-08-31 02:45:34,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 02:45:34,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 02:45:34,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 02:45:34,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 02:45:34,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 02:45:34,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:34" (1/1) ... [2019-08-31 02:45:34,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd4e2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:34, skipping insertion in model container [2019-08-31 02:45:34,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:34" (1/1) ... [2019-08-31 02:45:34,825 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 02:45:34,843 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 02:45:35,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 02:45:35,006 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 02:45:35,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 02:45:35,150 INFO L192 MainTranslator]: Completed translation [2019-08-31 02:45:35,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35 WrapperNode [2019-08-31 02:45:35,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 02:45:35,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 02:45:35,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 02:45:35,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 02:45:35,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35" (1/1) ... [2019-08-31 02:45:35,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35" (1/1) ... [2019-08-31 02:45:35,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35" (1/1) ... [2019-08-31 02:45:35,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35" (1/1) ... [2019-08-31 02:45:35,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35" (1/1) ... [2019-08-31 02:45:35,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35" (1/1) ... [2019-08-31 02:45:35,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35" (1/1) ... [2019-08-31 02:45:35,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 02:45:35,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 02:45:35,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 02:45:35,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 02:45:35,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:35" (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 [2019-08-31 02:45:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 02:45:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 02:45:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2019-08-31 02:45:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-31 02:45:35,266 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 02:45:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 02:45:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 02:45:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2019-08-31 02:45:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 02:45:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 02:45:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 02:45:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 02:45:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 02:45:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 02:45:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-31 02:45:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 02:45:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 02:45:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 02:45:35,571 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 02:45:35,572 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-31 02:45:35,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:35 BoogieIcfgContainer [2019-08-31 02:45:35,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 02:45:35,574 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 02:45:35,574 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 02:45:35,574 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 02:45:35,575 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:35" (1/1) ... [2019-08-31 02:45:35,612 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 02:45:35,612 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 02:45:35,623 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 02:45:35,633 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 02:45:35,635 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 02:45:35,733 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 [2019-08-31 02:45:35,733 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:35,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:35,758 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 02:45:35,758 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:15 [2019-08-31 02:45:35,775 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 29 for LOIs [2019-08-31 02:45:35,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 02:45:35,856 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 1=[|v_#valid_16|]} [2019-08-31 02:45:35,872 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 87 treesize of output 86 [2019-08-31 02:45:35,873 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:35,893 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 90 treesize of output 89 [2019-08-31 02:45:35,893 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,034 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-31 02:45:36,035 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,052 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 86 treesize of output 83 [2019-08-31 02:45:36,053 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,067 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 89 treesize of output 86 [2019-08-31 02:45:36,069 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,162 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,165 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_12|, |v_#memory_int_12|], 1=[|v_#memory_int_9|]} [2019-08-31 02:45:36,177 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 80 treesize of output 76 [2019-08-31 02:45:36,178 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,190 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 83 treesize of output 79 [2019-08-31 02:45:36,191 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,275 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,287 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 79 treesize of output 64 [2019-08-31 02:45:36,288 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,297 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 76 treesize of output 61 [2019-08-31 02:45:36,298 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,382 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 64 treesize of output 41 [2019-08-31 02:45:36,384 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 02:45:36,395 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 61 treesize of output 38 [2019-08-31 02:45:36,397 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 02:45:36,453 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,457 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-31 02:45:36,457 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 7 variables, input treesize:178, output treesize:66 [2019-08-31 02:45:36,728 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_10|], 1=[|v_#valid_17|]} [2019-08-31 02:45:36,734 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 [2019-08-31 02:45:36,734 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,768 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,777 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 [2019-08-31 02:45:36,778 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,809 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_13|, |v_#memory_int_13|], 1=[|v_#memory_real_6|]} [2019-08-31 02:45:36,815 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 [2019-08-31 02:45:36,817 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,843 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 [2019-08-31 02:45:36,843 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,864 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,871 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 [2019-08-31 02:45:36,872 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,887 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:36,888 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. [2019-08-31 02:45:36,888 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:73, output treesize:18 [2019-08-31 02:45:36,959 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_18|]} [2019-08-31 02:45:36,967 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 [2019-08-31 02:45:36,967 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:36,995 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:37,004 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 [2019-08-31 02:45:37,005 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:37,030 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:37,032 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_14|, |v_#memory_int_14|], 1=[|v_#memory_real_6|]} [2019-08-31 02:45:37,038 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 [2019-08-31 02:45:37,038 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:37,059 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:37,065 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 [2019-08-31 02:45:37,066 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:37,086 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:37,092 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 [2019-08-31 02:45:37,092 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:37,104 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:37,105 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. [2019-08-31 02:45:37,105 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:73, output treesize:18 [2019-08-31 02:45:37,192 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 02:45:37,192 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 02:45:37,194 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 209#(and (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) [2019-08-31 02:45:37,213 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 02:45:37,213 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 02:45:37,215 INFO L168 Benchmark]: Toolchain (without parser) took 2409.27 ms. Allocated memory was 137.9 MB in the beginning and 228.1 MB in the end (delta: 90.2 MB). Free memory was 89.7 MB in the beginning and 121.8 MB in the end (delta: -32.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:37,216 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 02:45:37,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.25 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 89.2 MB in the beginning and 178.8 MB in the end (delta: -89.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:37,220 INFO L168 Benchmark]: Boogie Preprocessor took 40.98 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 176.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:37,221 INFO L168 Benchmark]: RCFGBuilder took 380.47 ms. Allocated memory is still 200.3 MB. Free memory was 176.5 MB in the beginning and 158.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:37,225 INFO L168 Benchmark]: Sifa took 1639.38 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 158.0 MB in the beginning and 121.8 MB in the end (delta: 36.3 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:37,234 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 342.25 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 89.2 MB in the beginning and 178.8 MB in the end (delta: -89.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.98 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 176.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.47 ms. Allocated memory is still 200.3 MB. Free memory was 176.5 MB in the beginning and 158.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Sifa took 1639.38 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 158.0 MB in the beginning and 121.8 MB in the end (delta: 36.3 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.6s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 75 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 2 DAG_INTERPRETER_EARLY_EXITS, 68 TOOLS_POST_APPLICATIONS, 1.3s TOOLS_POST_TIME, 4 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 3 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 1.3s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 78 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 30 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 3 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 18 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 3 LOOP_SUMMARIZER_APPLICATIONS, 3 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 3 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 1.5s CALL_SUMMARIZER_OVERALL_TIME, 1.5s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 494 DAG_COMPRESSION_PROCESSED_NODES, 102 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 71]: 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 209#(and (<= ~huge_floor~0 1000000000000000000000000000000.0) (<= 1000000000000000000000000000000.0 ~huge_floor~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= ~huge_floor~0 1000000000000000000000000000000.0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...