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_1251b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:25:59,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:25:59,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:25:59,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:25:59,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:25:59,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:25:59,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:25:59,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:25:59,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:25:59,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:25:59,035 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:25:59,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:25:59,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:25:59,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:25:59,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:25:59,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:25:59,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:25:59,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:25:59,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:25:59,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:25:59,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:25:59,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:25:59,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:25:59,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:25:59,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:25:59,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:25:59,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:25:59,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:25:59,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:25:59,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:25:59,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:25:59,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:25:59,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:25:59,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:25:59,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:25:59,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:25:59,061 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 06:25:59,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:25:59,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:25:59,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:25:59,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:25:59,077 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:25:59,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:25:59,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:25:59,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:25:59,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:25:59,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:25:59,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:25:59,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:25:59,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:25:59,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:25:59,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:25:59,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:25:59,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:25:59,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:25:59,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:25:59,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:25:59,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:25:59,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:25:59,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:25:59,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:25:59,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:25:59,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:25:59,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:25:59,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:25:59,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:25:59,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:25:59,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:25:59,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:25:59,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:25:59,129 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:25:59,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1251b.c [2019-08-18 06:25:59,206 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec177fe2/1f9d759a5af94943a4b9b83f4053c42b/FLAG80e19e8ee [2019-08-18 06:25:59,650 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:25:59,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1251b.c [2019-08-18 06:25:59,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec177fe2/1f9d759a5af94943a4b9b83f4053c42b/FLAG80e19e8ee [2019-08-18 06:26:00,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec177fe2/1f9d759a5af94943a4b9b83f4053c42b [2019-08-18 06:26:00,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:26:00,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:26:00,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:26:00,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:26:00,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:26:00,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59005994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00, skipping insertion in model container [2019-08-18 06:26:00,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,072 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:26:00,100 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:26:00,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:26:00,336 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:26:00,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:26:00,488 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:26:00,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00 WrapperNode [2019-08-18 06:26:00,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:26:00,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:26:00,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:26:00,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:26:00,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:26:00,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:26:00,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:26:00,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:26:00,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:26:00" (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 06:26:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:26:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:26:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-08-18 06:26:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2019-08-18 06:26:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure fmax_double [2019-08-18 06:26:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:26:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:26:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-18 06:26:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-08-18 06:26:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2019-08-18 06:26:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:26:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:26:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:26:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:26:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure fmax_double [2019-08-18 06:26:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:26:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:26:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:26:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:26:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:26:00,909 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:26:00,909 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-18 06:26:00,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:00 BoogieIcfgContainer [2019-08-18 06:26:00,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:26:00,918 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:26:00,918 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:26:00,919 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:26:00,920 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:26:00" (1/1) ... [2019-08-18 06:26:00,934 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:26:00,936 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:26:00,944 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:26:00,952 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:26:00,954 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:26:01,031 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 06:26:01,032 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,053 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,053 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,054 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:26:01,076 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:26:01,128 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_17|]} [2019-08-18 06:26:01,140 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 06:26:01,141 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,213 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,226 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 06:26:01,227 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,276 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,280 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 06:26:01,291 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 06:26:01,292 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,335 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,345 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 06:26:01,345 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,381 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,404 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 06:26:01,405 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,443 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,459 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 06:26:01,460 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,488 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,494 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 06:26:01,495 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:26:01,516 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_18|]} [2019-08-18 06:26:01,529 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 06:26:01,529 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,578 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,593 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 06:26:01,594 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,640 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,645 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 06:26:01,661 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 06:26:01,661 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,695 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,704 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 06:26:01,705 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,739 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,750 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 06:26:01,751 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,778 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,786 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 06:26:01,788 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:26:01,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:26:01,808 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 06:26:01,809 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:98, output treesize:28 [2019-08-18 06:26:01,864 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:26:01,864 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:26:01,867 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 114#(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 06:26:01,878 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:26:01,878 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:26:01,881 INFO L168 Benchmark]: Toolchain (without parser) took 1825.26 ms. Allocated memory was 136.3 MB in the beginning and 196.6 MB in the end (delta: 60.3 MB). Free memory was 82.4 MB in the beginning and 79.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 63.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:01,884 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:26:01,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.71 ms. Allocated memory was 136.3 MB in the beginning and 196.6 MB in the end (delta: 60.3 MB). Free memory was 82.2 MB in the beginning and 174.0 MB in the end (delta: -91.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:01,886 INFO L168 Benchmark]: Boogie Preprocessor took 46.08 ms. Allocated memory is still 196.6 MB. Free memory was 174.0 MB in the beginning and 172.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:01,887 INFO L168 Benchmark]: RCFGBuilder took 375.59 ms. Allocated memory is still 196.6 MB. Free memory was 172.1 MB in the beginning and 153.3 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:01,888 INFO L168 Benchmark]: Symbolic Interpretation took 960.20 ms. Allocated memory is still 196.6 MB. Free memory was 153.3 MB in the beginning and 79.3 MB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:26:01,891 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 78]: 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 114#(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 136.3 MB. Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 432.71 ms. Allocated memory was 136.3 MB in the beginning and 196.6 MB in the end (delta: 60.3 MB). Free memory was 82.2 MB in the beginning and 174.0 MB in the end (delta: -91.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.08 ms. Allocated memory is still 196.6 MB. Free memory was 174.0 MB in the beginning and 172.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.59 ms. Allocated memory is still 196.6 MB. Free memory was 172.1 MB in the beginning and 153.3 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 960.20 ms. Allocated memory is still 196.6 MB. Free memory was 153.3 MB in the beginning and 79.3 MB in the end (delta: 74.1 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...