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/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 19:49:01,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 19:49:01,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 19:49:01,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 19:49:01,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 19:49:01,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 19:49:01,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 19:49:01,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 19:49:01,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 19:49:01,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 19:49:01,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 19:49:01,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 19:49:01,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 19:49:01,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 19:49:01,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 19:49:01,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 19:49:01,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 19:49:01,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 19:49:01,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 19:49:01,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 19:49:01,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 19:49:01,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 19:49:01,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 19:49:01,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 19:49:01,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 19:49:01,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 19:49:01,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 19:49:01,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 19:49:01,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 19:49:01,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 19:49:01,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 19:49:01,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 19:49:01,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 19:49:01,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 19:49:01,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 19:49:01,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 19:49:01,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 19:49:01,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 19:49:01,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 19:49:01,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 19:49:01,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 19:49:01,541 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 19:49:01,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 19:49:01,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 19:49:01,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 19:49:01,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 19:49:01,557 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 19:49:01,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 19:49:01,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 19:49:01,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 19:49:01,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 19:49:01,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 19:49:01,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 19:49:01,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 19:49:01,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 19:49:01,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 19:49:01,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 19:49:01,559 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 19:49:01,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 19:49:01,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 19:49:01,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 19:49:01,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 19:49:01,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 19:49:01,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:49:01,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 19:49:01,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 19:49:01,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 19:49:01,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 19:49:01,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 19:49:01,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 19:49:01,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 19:49:01,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 19:49:01,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 19:49:01,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 19:49:01,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 19:49:01,609 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 19:49:01,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2019-08-31 19:49:01,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da044156/5a2aa9c4559745eb827769132e120013/FLAG33ef6f02b [2019-08-31 19:49:02,167 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 19:49:02,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2019-08-31 19:49:02,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da044156/5a2aa9c4559745eb827769132e120013/FLAG33ef6f02b [2019-08-31 19:49:02,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4da044156/5a2aa9c4559745eb827769132e120013 [2019-08-31 19:49:02,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 19:49:02,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 19:49:02,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 19:49:02,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 19:49:02,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 19:49:02,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:49:02" (1/1) ... [2019-08-31 19:49:02,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa937f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:02, skipping insertion in model container [2019-08-31 19:49:02,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:49:02" (1/1) ... [2019-08-31 19:49:02,524 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 19:49:02,581 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 19:49:02,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:49:02,944 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 19:49:02,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:49:03,020 INFO L192 MainTranslator]: Completed translation [2019-08-31 19:49:03,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03 WrapperNode [2019-08-31 19:49:03,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 19:49:03,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 19:49:03,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 19:49:03,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 19:49:03,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03" (1/1) ... [2019-08-31 19:49:03,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03" (1/1) ... [2019-08-31 19:49:03,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03" (1/1) ... [2019-08-31 19:49:03,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03" (1/1) ... [2019-08-31 19:49:03,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03" (1/1) ... [2019-08-31 19:49:03,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03" (1/1) ... [2019-08-31 19:49:03,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03" (1/1) ... [2019-08-31 19:49:03,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 19:49:03,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 19:49:03,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 19:49:03,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 19:49:03,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:03" (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 19:49:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 19:49:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 19:49:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 19:49:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 19:49:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 19:49:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 19:49:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-31 19:49:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 19:49:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 19:49:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 19:49:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 19:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 19:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 19:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 19:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-31 19:49:03,159 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 19:49:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 19:49:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 19:49:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 19:49:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 19:49:03,160 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 19:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 19:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 19:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 19:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 19:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 19:49:03,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 19:49:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 19:49:03,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 19:49:03,842 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 19:49:03,843 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 19:49:03,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:49:03 BoogieIcfgContainer [2019-08-31 19:49:03,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 19:49:03,845 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 19:49:03,846 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 19:49:03,846 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 19:49:03,847 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:49:03" (1/1) ... [2019-08-31 19:49:03,905 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 19:49:03,906 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 19:49:03,923 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 19:49:03,935 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 19:49:03,937 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 19:49:04,156 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:04,157 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:04,158 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:04,159 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:04,171 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2019-08-31 19:49:04,171 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 19:49:04,395 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-31 19:49:04,397 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:49:04,415 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,417 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,423 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,425 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,427 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,431 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,433 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:04,436 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2019-08-31 19:49:04,437 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 19:49:04,633 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-31 19:49:04,634 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:49:04,635 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 19:49:04,635 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:148, output treesize:162 [2019-08-31 19:49:04,680 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 224 for LOIs [2019-08-31 19:49:05,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,630 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,632 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,635 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,636 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,641 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,642 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,648 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,651 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,654 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,655 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,670 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,746 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,752 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,755 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:05,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,070 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,078 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,131 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:06,223 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 6 for LOIs [2019-08-31 19:49:06,224 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 19:49:06,224 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 19:49:06,226 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 529#(and (or (= 0 |assert_#in~arg|) (= 1 |assert_#in~arg|)) (or (and (<= 1 assert_~arg) (<= 1 |assert_#in~arg|) (<= assert_~arg 1) (<= |assert_#in~arg| 1)) (and (<= assert_~arg 0) (<= |assert_#in~arg| 0) (<= 0 |assert_#in~arg|) (<= 0 assert_~arg))) (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|)) [2019-08-31 19:49:06,242 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 19:49:06,242 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 19:49:06,245 INFO L168 Benchmark]: Toolchain (without parser) took 3736.66 ms. Allocated memory was 132.1 MB in the beginning and 265.3 MB in the end (delta: 133.2 MB). Free memory was 86.2 MB in the beginning and 152.4 MB in the end (delta: -66.2 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:06,247 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 19:49:06,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.98 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 173.2 MB in the end (delta: -87.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:06,250 INFO L168 Benchmark]: Boogie Preprocessor took 62.89 ms. Allocated memory is still 200.3 MB. Free memory was 173.2 MB in the beginning and 170.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:06,251 INFO L168 Benchmark]: RCFGBuilder took 759.93 ms. Allocated memory is still 200.3 MB. Free memory was 170.6 MB in the beginning and 129.5 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:06,253 INFO L168 Benchmark]: Sifa took 2397.03 ms. Allocated memory was 200.3 MB in the beginning and 265.3 MB in the end (delta: 65.0 MB). Free memory was 129.5 MB in the beginning and 152.4 MB in the end (delta: -22.9 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-08-31 19:49:06,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 512.98 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 86.0 MB in the beginning and 173.2 MB in the end (delta: -87.2 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.89 ms. Allocated memory is still 200.3 MB. Free memory was 173.2 MB in the beginning and 170.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 759.93 ms. Allocated memory is still 200.3 MB. Free memory was 170.6 MB in the beginning and 129.5 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. * Sifa took 2397.03 ms. Allocated memory was 200.3 MB in the beginning and 265.3 MB in the end (delta: 65.0 MB). Free memory was 129.5 MB in the beginning and 152.4 MB in the end (delta: -22.9 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 2.3s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 184 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 166 TOOLS_POST_APPLICATIONS, 0.8s TOOLS_POST_TIME, 17 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 15 TOOLS_POST_RETURN_APPLICATIONS, 0.3s TOOLS_POST_RETURN_TIME, 1.1s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 185 FLUID_QUERIES, 6 FLUID_YES_ANSWERS, 74 DOMAIN_JOIN_APPLICATIONS, 0.8s DOMAIN_JOIN_TIME, 6 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 1 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 63 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.1s LOOP_SUMMARIZER_OVERALL_TIME, 0.1s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 1 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 15 CALL_SUMMARIZER_APPLICATIONS, 9 CALL_SUMMARIZER_CACHE_MISSES, 1.7s CALL_SUMMARIZER_OVERALL_TIME, 1.7s 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, 425 DAG_COMPRESSION_PROCESSED_NODES, 206 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 470]: 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 529#(and (or (= 0 |assert_#in~arg|) (= 1 |assert_#in~arg|)) (or (and (<= 1 assert_~arg) (<= 1 |assert_#in~arg|) (<= assert_~arg 1) (<= |assert_#in~arg| 1)) (and (<= assert_~arg 0) (<= |assert_#in~arg| 0) (<= 0 |assert_#in~arg|) (<= 0 assert_~arg))) (= (mod assert_~arg 256) 0) (= assert_~arg |assert_#in~arg|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...