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.4.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 19:48:32,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 19:48:32,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 19:48:32,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 19:48:32,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 19:48:32,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 19:48:32,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 19:48:32,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 19:48:32,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 19:48:32,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 19:48:32,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 19:48:32,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 19:48:32,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 19:48:32,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 19:48:32,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 19:48:32,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 19:48:32,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 19:48:32,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 19:48:32,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 19:48:32,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 19:48:32,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 19:48:32,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 19:48:32,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 19:48:32,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 19:48:32,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 19:48:32,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 19:48:32,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 19:48:32,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 19:48:32,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 19:48:32,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 19:48:32,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 19:48:32,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 19:48:32,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 19:48:32,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 19:48:32,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 19:48:32,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 19:48:32,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 19:48:32,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 19:48:32,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 19:48:32,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 19:48:32,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 19:48:32,326 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 19:48:32,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 19:48:32,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 19:48:32,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 19:48:32,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 19:48:32,343 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 19:48:32,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 19:48:32,343 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 19:48:32,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 19:48:32,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 19:48:32,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 19:48:32,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 19:48:32,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 19:48:32,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 19:48:32,345 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 19:48:32,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 19:48:32,345 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 19:48:32,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 19:48:32,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 19:48:32,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 19:48:32,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 19:48:32,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 19:48:32,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:48:32,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 19:48:32,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 19:48:32,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 19:48:32,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 19:48:32,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 19:48:32,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 19:48:32,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 19:48:32,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 19:48:32,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 19:48:32,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 19:48:32,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 19:48:32,396 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 19:48:32,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c [2019-08-31 19:48:32,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5b41f4f/e7205c4a9854469dbeb3511f835e20ba/FLAG678d2401d [2019-08-31 19:48:32,971 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 19:48:32,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.4.1.ufo.UNBOUNDED.pals.c [2019-08-31 19:48:32,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5b41f4f/e7205c4a9854469dbeb3511f835e20ba/FLAG678d2401d [2019-08-31 19:48:33,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5b41f4f/e7205c4a9854469dbeb3511f835e20ba [2019-08-31 19:48:33,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 19:48:33,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 19:48:33,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 19:48:33,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 19:48:33,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 19:48:33,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bac73be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33, skipping insertion in model container [2019-08-31 19:48:33,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,340 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 19:48:33,390 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 19:48:33,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:48:33,739 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 19:48:33,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:48:33,846 INFO L192 MainTranslator]: Completed translation [2019-08-31 19:48:33,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33 WrapperNode [2019-08-31 19:48:33,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 19:48:33,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 19:48:33,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 19:48:33,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 19:48:33,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33" (1/1) ... [2019-08-31 19:48:33,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 19:48:33,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 19:48:33,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 19:48:33,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 19:48:33,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:33" (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 19:48:33,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 19:48:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 19:48:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 19:48:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 19:48:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 19:48:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 19:48:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 19:48:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 19:48:33,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 19:48:33,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 19:48:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 19:48:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 19:48:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 19:48:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-31 19:48:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 19:48:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 19:48:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 19:48:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 19:48:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 19:48:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 19:48:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 19:48:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 19:48:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 19:48:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 19:48:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 19:48:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 19:48:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 19:48:34,583 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 19:48:34,583 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 19:48:34,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:48:34 BoogieIcfgContainer [2019-08-31 19:48:34,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 19:48:34,585 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 19:48:34,586 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 19:48:34,586 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 19:48:34,587 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:48:34" (1/1) ... [2019-08-31 19:48:34,626 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 19:48:34,626 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 19:48:34,636 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 19:48:34,647 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 19:48:34,649 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 19:48:34,835 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:34,836 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:34,838 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:34,855 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-31 19:48:34,856 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 19:48:35,011 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-31 19:48:35,012 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:48:35,035 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:35,037 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:35,039 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:35,046 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:35,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:35,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:35,057 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-31 19:48:35,058 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 19:48:35,219 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-31 19:48:35,220 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:48:35,221 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 19:48:35,222 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:121, output treesize:131 [2019-08-31 19:48:35,264 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 183 for LOIs [2019-08-31 19:48:35,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,915 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,917 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,919 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,922 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,926 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,935 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,988 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:35,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,191 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,200 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,381 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,383 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,387 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,388 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,438 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,439 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,455 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,525 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,526 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,527 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:36,529 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 46 for LOIs [2019-08-31 19:48:36,533 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 19:48:36,533 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 19:48:36,535 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 437#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (<= assert_~arg 1) (= (mod assert_~arg 256) 0) (<= |assert_#in~arg| 1) (<= 0 |assert_#in~arg|) (= ~nomsg~0 ~p4_new~0) (= assert_~arg |assert_#in~arg|) (= ~p3_new~0 ~nomsg~0) (or (and (= 1 |assert_#in~arg|) (or (and (not (< (mod ~r1~0 256) 4)) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0) (not (<= 4 (mod ~r1~0 256)))) (and (<= 4 (mod ~r1~0 256)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)))) (and (< (mod ~r1~0 256) 4) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0) (not (<= 4 (mod ~r1~0 256)))) (and (<= 4 (mod ~r1~0 256)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)))))) (and (= 0 |assert_#in~arg|) (or (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (and (not (< (mod ~r1~0 256) 4)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0) (not (<= 4 (mod ~r1~0 256)))) (and (<= 4 (mod ~r1~0 256)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)))) (and (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (not (<= 4 (mod ~r1~0 256))))))) (<= 0 assert_~arg)) [2019-08-31 19:48:36,549 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 19:48:36,549 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 19:48:36,551 INFO L168 Benchmark]: Toolchain (without parser) took 3227.65 ms. Allocated memory was 129.5 MB in the beginning and 274.2 MB in the end (delta: 144.7 MB). Free memory was 84.6 MB in the beginning and 166.0 MB in the end (delta: -81.4 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:36,552 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 129.5 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 19:48:36,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.75 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 84.2 MB in the beginning and 170.3 MB in the end (delta: -86.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:36,554 INFO L168 Benchmark]: Boogie Preprocessor took 60.08 ms. Allocated memory is still 197.7 MB. Free memory was 170.3 MB in the beginning and 168.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:36,554 INFO L168 Benchmark]: RCFGBuilder took 676.94 ms. Allocated memory is still 197.7 MB. Free memory was 168.4 MB in the beginning and 133.3 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:36,555 INFO L168 Benchmark]: Sifa took 1963.85 ms. Allocated memory was 197.7 MB in the beginning and 274.2 MB in the end (delta: 76.5 MB). Free memory was 133.3 MB in the beginning and 166.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:36,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 129.5 MB. Free memory is still 103.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 522.75 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 84.2 MB in the beginning and 170.3 MB in the end (delta: -86.1 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.08 ms. Allocated memory is still 197.7 MB. Free memory was 170.3 MB in the beginning and 168.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 676.94 ms. Allocated memory is still 197.7 MB. Free memory was 168.4 MB in the beginning and 133.3 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Sifa took 1963.85 ms. Allocated memory was 197.7 MB in the beginning and 274.2 MB in the end (delta: 76.5 MB). Free memory was 133.3 MB in the beginning and 166.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.9s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 155 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 139 TOOLS_POST_APPLICATIONS, 0.7s TOOLS_POST_TIME, 15 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 13 TOOLS_POST_RETURN_APPLICATIONS, 0.3s TOOLS_POST_RETURN_TIME, 1.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 156 FLUID_QUERIES, 4 FLUID_YES_ANSWERS, 61 DOMAIN_JOIN_APPLICATIONS, 0.5s DOMAIN_JOIN_TIME, 4 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, 51 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, 13 CALL_SUMMARIZER_APPLICATIONS, 8 CALL_SUMMARIZER_CACHE_MISSES, 1.3s CALL_SUMMARIZER_OVERALL_TIME, 1.3s 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, 350 DAG_COMPRESSION_PROCESSED_NODES, 176 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 399]: 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 437#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (<= assert_~arg 1) (= (mod assert_~arg 256) 0) (<= |assert_#in~arg| 1) (<= 0 |assert_#in~arg|) (= ~nomsg~0 ~p4_new~0) (= assert_~arg |assert_#in~arg|) (= ~p3_new~0 ~nomsg~0) (or (and (= 1 |assert_#in~arg|) (or (and (not (< (mod ~r1~0 256) 4)) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0) (not (<= 4 (mod ~r1~0 256)))) (and (<= 4 (mod ~r1~0 256)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)))) (and (< (mod ~r1~0 256) 4) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0) (not (<= 4 (mod ~r1~0 256)))) (and (<= 4 (mod ~r1~0 256)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)))))) (and (= 0 |assert_#in~arg|) (or (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (and (not (< (mod ~r1~0 256) 4)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (or (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0) (not (<= 4 (mod ~r1~0 256)))) (and (<= 4 (mod ~r1~0 256)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)))) (and (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (not (<= 4 (mod ~r1~0 256))))))) (<= 0 assert_~arg)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...