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/double_req_bl_1250.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:25:57,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:25:57,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:25:57,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:25:57,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:25:57,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:25:57,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:25:57,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:25:57,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:25:57,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:25:57,999 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:25:58,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:25:58,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:25:58,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:25:58,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:25:58,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:25:58,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:25:58,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:25:58,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:25:58,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:25:58,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:25:58,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:25:58,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:25:58,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:25:58,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:25:58,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:25:58,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:25:58,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:25:58,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:25:58,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:25:58,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:25:58,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:25:58,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:25:58,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:25:58,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:25:58,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:25:58,025 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 06:25:58,039 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:25:58,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:25:58,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:25:58,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:25:58,040 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:25:58,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:25:58,041 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:25:58,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:25:58,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:25:58,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:25:58,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:25:58,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:25:58,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:25:58,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:25:58,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:25:58,043 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:25:58,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:25:58,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:25:58,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:25:58,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:25:58,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:25:58,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:25:58,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:25:58,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:25:58,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:25:58,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:25:58,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:25:58,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:25:58,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:25:58,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:25:58,091 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:25:58,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:25:58,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:25:58,097 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:25:58,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2019-08-18 06:25:58,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ec29f14b/f51b7fc812324d93b18e58a6d04bc6ca/FLAG4de258bf0 [2019-08-18 06:25:58,615 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:25:58,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1250.c [2019-08-18 06:25:58,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ec29f14b/f51b7fc812324d93b18e58a6d04bc6ca/FLAG4de258bf0 [2019-08-18 06:25:59,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ec29f14b/f51b7fc812324d93b18e58a6d04bc6ca [2019-08-18 06:25:59,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:25:59,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:25:59,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:25:59,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:25:59,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:25:59,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f32aca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59, skipping insertion in model container [2019-08-18 06:25:59,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,033 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:25:59,052 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:25:59,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:25:59,288 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:25:59,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:25:59,435 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:25:59,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59 WrapperNode [2019-08-18 06:25:59,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:25:59,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:25:59,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:25:59,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:25:59,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:25:59,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:25:59,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:25:59,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:25:59,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:25:59" (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 06:25:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:25:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:25:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-18 06:25:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-18 06:25:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2019-08-18 06:25:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:25:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:25:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-18 06:25:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-18 06:25:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-18 06:25:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:25:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:25:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:25:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:25:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2019-08-18 06:25:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:25:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:25:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:25:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:25:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:25:59,979 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:25:59,980 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-18 06:25:59,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:25:59 BoogieIcfgContainer [2019-08-18 06:25:59,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:25:59,982 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:25:59,982 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:25:59,982 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:25:59,983 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:25:59" (1/1) ... [2019-08-18 06:25:59,995 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:25:59,997 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:26:00,004 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:26:00,012 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:26:00,014 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:26:00,099 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 06:26:00,100 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,121 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,122 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:26:00,132 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:26:00,171 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_17|]} [2019-08-18 06:26:00,184 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 06:26:00,185 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,239 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,252 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 06:26:00,253 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,298 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,301 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_15|, |v_#memory_real_13|], 1=[|v_#memory_int_7|, |v_#memory_int_8|]} [2019-08-18 06:26:00,311 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 06:26:00,311 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,358 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 06:26:00,359 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,400 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,421 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:26:00,422 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,451 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,459 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 14 [2019-08-18 06:26:00,461 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,483 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:26:00,484 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:26:00,494 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_18|]} [2019-08-18 06:26:00,505 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 06:26:00,506 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,556 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,568 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 06:26:00,568 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,609 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,611 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_16|, |v_#memory_real_14|], 1=[|v_#memory_int_7|, |v_#memory_int_8|]} [2019-08-18 06:26:00,625 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 06:26:00,625 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,667 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,678 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 06:26:00,678 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,715 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,727 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 23 treesize of output 11 [2019-08-18 06:26:00,728 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,754 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,761 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 14 [2019-08-18 06:26:00,762 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:00,780 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:00,782 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:26:00,783 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:26:00,820 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:26:00,821 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:26:00,823 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 113#(and (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) [2019-08-18 06:26:00,833 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:26:00,833 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:26:00,836 INFO L168 Benchmark]: Toolchain (without parser) took 1818.99 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.3 MB in the beginning and 83.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:00,836 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:26:00,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.00 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.3 MB in the beginning and 176.6 MB in the end (delta: -90.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:00,838 INFO L168 Benchmark]: Boogie Preprocessor took 46.43 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 174.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:00,839 INFO L168 Benchmark]: RCFGBuilder took 497.11 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 157.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:00,840 INFO L168 Benchmark]: Symbolic Interpretation took 851.77 ms. Allocated memory is still 199.2 MB. Free memory was 157.1 MB in the beginning and 83.2 MB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:00,844 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 72]: 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 113#(and (or (= main_~res~0 main_~y~0) (= main_~res~0 main_~x~0)) (= 0 |#NULL.base|) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory is still 104.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.00 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.3 MB in the beginning and 176.6 MB in the end (delta: -90.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.43 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 174.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 497.11 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 157.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 851.77 ms. Allocated memory is still 199.2 MB. Free memory was 157.1 MB in the beginning and 83.2 MB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...