java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 02:45:22,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 02:45:22,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 02:45:22,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 02:45:22,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 02:45:22,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 02:45:22,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 02:45:22,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 02:45:22,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 02:45:22,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 02:45:22,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 02:45:22,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 02:45:22,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 02:45:22,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 02:45:22,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 02:45:22,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 02:45:22,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 02:45:22,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 02:45:22,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 02:45:22,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 02:45:22,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 02:45:22,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 02:45:22,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 02:45:22,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 02:45:22,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 02:45:22,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 02:45:22,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 02:45:22,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 02:45:22,071 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 02:45:22,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 02:45:22,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 02:45:22,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 02:45:22,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 02:45:22,093 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 02:45:22,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 02:45:22,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 02:45:22,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 02:45:22,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 02:45:22,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 02:45:22,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 02:45:22,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 02:45:22,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 02:45:22,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 02:45:22,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 02:45:22,095 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 02:45:22,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 02:45:22,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 02:45:22,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 02:45:22,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 02:45:22,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 02:45:22,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 02:45:22,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 02:45:22,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 02:45:22,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 02:45:22,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 02:45:22,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 02:45:22,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 02:45:22,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 02:45:22,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 02:45:22,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 02:45:22,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 02:45:22,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 02:45:22,148 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 02:45:22,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010.c [2019-08-31 02:45:22,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6778a8/ba937edf41f540d1a1f3b24c36014372/FLAG93d537174 [2019-08-31 02:45:22,630 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 02:45:22,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1010.c [2019-08-31 02:45:22,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6778a8/ba937edf41f540d1a1f3b24c36014372/FLAG93d537174 [2019-08-31 02:45:22,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c6778a8/ba937edf41f540d1a1f3b24c36014372 [2019-08-31 02:45:22,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 02:45:22,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 02:45:22,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 02:45:22,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 02:45:22,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 02:45:22,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:22" (1/1) ... [2019-08-31 02:45:23,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5043ece0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23, skipping insertion in model container [2019-08-31 02:45:23,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:45:22" (1/1) ... [2019-08-31 02:45:23,009 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 02:45:23,025 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 02:45:23,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 02:45:23,188 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 02:45:23,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 02:45:23,226 INFO L192 MainTranslator]: Completed translation [2019-08-31 02:45:23,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23 WrapperNode [2019-08-31 02:45:23,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 02:45:23,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 02:45:23,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 02:45:23,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 02:45:23,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23" (1/1) ... [2019-08-31 02:45:23,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23" (1/1) ... [2019-08-31 02:45:23,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23" (1/1) ... [2019-08-31 02:45:23,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23" (1/1) ... [2019-08-31 02:45:23,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23" (1/1) ... [2019-08-31 02:45:23,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23" (1/1) ... [2019-08-31 02:45:23,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23" (1/1) ... [2019-08-31 02:45:23,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 02:45:23,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 02:45:23,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 02:45:23,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 02:45:23,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:45:23" (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 02:45:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 02:45:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 02:45:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-31 02:45:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-08-31 02:45:23,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 02:45:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 02:45:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 02:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-31 02:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-08-31 02:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 02:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 02:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 02:45:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 02:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 02:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 02:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 02:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 02:45:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 02:45:23,658 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 02:45:23,658 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-31 02:45:23,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:23 BoogieIcfgContainer [2019-08-31 02:45:23,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 02:45:23,660 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 02:45:23,660 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 02:45:23,661 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 02:45:23,662 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:45:23" (1/1) ... [2019-08-31 02:45:23,691 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 02:45:23,691 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 02:45:23,698 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 02:45:23,705 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 02:45:23,706 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 02:45:23,798 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 02:45:23,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:23,830 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:23,831 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 02:45:23,831 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 02:45:23,850 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-08-31 02:45:23,880 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 1=[|v_#valid_16|]} [2019-08-31 02:45:23,901 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 02:45:23,902 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,010 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-08-31 02:45:24,010 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,021 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 02:45:24,022 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,065 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,068 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_12|, |v_#memory_int_12|], 1=[|v_#memory_int_6|]} [2019-08-31 02:45:24,076 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 02:45:24,077 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,105 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,114 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 02:45:24,115 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,142 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,150 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 02:45:24,151 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,170 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,174 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 02:45:24,174 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-31 02:45:24,189 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_10|], 1=[|v_#valid_17|]} [2019-08-31 02:45:24,199 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 02:45:24,199 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,237 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,253 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 02:45:24,254 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,290 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,294 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_13|, |v_#memory_int_13|], 1=[|v_#memory_int_6|]} [2019-08-31 02:45:24,304 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 02:45:24,305 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,350 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 02:45:24,351 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,372 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,384 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 02:45:24,384 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,399 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,404 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 02:45:24,405 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:76, output treesize:21 [2019-08-31 02:45:24,425 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_11|], 3=[|v_#valid_18|]} [2019-08-31 02:45:24,453 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,454 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 [2019-08-31 02:45:24,455 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,560 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-08-31 02:45:24,560 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-31 02:45:24,588 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,589 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 [2019-08-31 02:45:24,591 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,688 INFO L567 ElimStorePlain]: treesize reduction 14, result has 85.6 percent of original size [2019-08-31 02:45:24,690 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_14|, |v_#memory_int_14|], 1=[|v_#memory_real_9|]} [2019-08-31 02:45:24,703 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 02:45:24,703 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,736 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,744 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 02:45:24,745 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,773 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,783 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 02:45:24,784 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,802 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,805 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. [2019-08-31 02:45:24,805 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:90, output treesize:35 [2019-08-31 02:45:24,817 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_12|], 3=[|v_#valid_19|]} [2019-08-31 02:45:24,842 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,843 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 [2019-08-31 02:45:24,844 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:24,934 INFO L567 ElimStorePlain]: treesize reduction 14, result has 86.4 percent of original size [2019-08-31 02:45:24,977 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:24,977 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 [2019-08-31 02:45:24,979 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:25,059 INFO L567 ElimStorePlain]: treesize reduction 14, result has 85.6 percent of original size [2019-08-31 02:45:25,061 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_15|, |v_#memory_real_15|], 1=[|v_#memory_real_9|]} [2019-08-31 02:45:25,068 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 02:45:25,069 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:25,104 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:25,113 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 02:45:25,113 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:25,139 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:25,145 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 02:45:25,145 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 02:45:25,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 02:45:25,167 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. [2019-08-31 02:45:25,169 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:90, output treesize:35 [2019-08-31 02:45:25,228 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 02:45:25,228 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 02:45:25,230 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 63#(exists ((|v_fabs_float_~#sf_u~0.base_3| Int) (|v_fabs_float_~#gf_u~0.base_3| Int)) (and (= 0 |#NULL.base|) (= 0 (select |#valid| |v_fabs_float_~#sf_u~0.base_3|)) (<= |#NULL.base| 0) (= 0 (select |#valid| |v_fabs_float_~#gf_u~0.base_3|)) (not (= 0 |v_fabs_float_~#gf_u~0.base_3|)) (<= 0 |#NULL.base|) (= 4 (select |#length| |v_fabs_float_~#gf_u~0.base_3|)) (= (select |#length| |v_fabs_float_~#sf_u~0.base_3|) 4) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< |v_fabs_float_~#gf_u~0.base_3| |#StackHeapBarrier|) (< |v_fabs_float_~#sf_u~0.base_3| |#StackHeapBarrier|) (not (= 0 |v_fabs_float_~#sf_u~0.base_3|)) (= |#NULL.offset| 0))) [2019-08-31 02:45:25,243 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 02:45:25,243 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 02:45:25,245 INFO L168 Benchmark]: Toolchain (without parser) took 2251.33 ms. Allocated memory was 133.2 MB in the beginning and 227.0 MB in the end (delta: 93.8 MB). Free memory was 89.1 MB in the beginning and 139.5 MB in the end (delta: -50.5 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:25,246 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 02:45:25,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.82 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 78.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:25,247 INFO L168 Benchmark]: Boogie Preprocessor took 133.91 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 78.7 MB in the beginning and 177.5 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:25,248 INFO L168 Benchmark]: RCFGBuilder took 298.18 ms. Allocated memory is still 201.9 MB. Free memory was 177.5 MB in the beginning and 162.4 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:25,249 INFO L168 Benchmark]: Sifa took 1582.92 ms. Allocated memory was 201.9 MB in the beginning and 227.0 MB in the end (delta: 25.2 MB). Free memory was 162.4 MB in the beginning and 139.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. [2019-08-31 02:45:25,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 232.82 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 78.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.91 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 78.7 MB in the beginning and 177.5 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.18 ms. Allocated memory is still 201.9 MB. Free memory was 177.5 MB in the beginning and 162.4 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Sifa took 1582.92 ms. Allocated memory was 201.9 MB in the beginning and 227.0 MB in the end (delta: 25.2 MB). Free memory was 162.4 MB in the beginning and 139.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 48.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.5s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 28 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 22 TOOLS_POST_APPLICATIONS, 1.4s 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, 1.4s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 30 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 8 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, 2 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 2 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 2 LOOP_SUMMARIZER_APPLICATIONS, 2 LOOP_SUMMARIZER_CACHE_MISSES, 0.7s LOOP_SUMMARIZER_OVERALL_TIME, 0.7s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 2 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 1.4s CALL_SUMMARIZER_OVERALL_TIME, 1.4s 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, 64 DAG_COMPRESSION_PROCESSED_NODES, 42 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 40]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 63#(exists ((|v_fabs_float_~#sf_u~0.base_3| Int) (|v_fabs_float_~#gf_u~0.base_3| Int)) (and (= 0 |#NULL.base|) (= 0 (select |#valid| |v_fabs_float_~#sf_u~0.base_3|)) (<= |#NULL.base| 0) (= 0 (select |#valid| |v_fabs_float_~#gf_u~0.base_3|)) (not (= 0 |v_fabs_float_~#gf_u~0.base_3|)) (<= 0 |#NULL.base|) (= 4 (select |#length| |v_fabs_float_~#gf_u~0.base_3|)) (= (select |#length| |v_fabs_float_~#sf_u~0.base_3|) 4) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (< |v_fabs_float_~#gf_u~0.base_3| |#StackHeapBarrier|) (< |v_fabs_float_~#sf_u~0.base_3| |#StackHeapBarrier|) (not (= 0 |v_fabs_float_~#sf_u~0.base_3|)) (= |#NULL.offset| 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...