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.5.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 19:48:47,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 19:48:47,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 19:48:47,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 19:48:47,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 19:48:47,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 19:48:47,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 19:48:47,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 19:48:47,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 19:48:47,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 19:48:47,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 19:48:47,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 19:48:47,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 19:48:47,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 19:48:47,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 19:48:47,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 19:48:47,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 19:48:47,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 19:48:47,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 19:48:47,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 19:48:47,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 19:48:47,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 19:48:47,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 19:48:47,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 19:48:47,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 19:48:47,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 19:48:47,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 19:48:47,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 19:48:47,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 19:48:47,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 19:48:47,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 19:48:47,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 19:48:47,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 19:48:47,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 19:48:47,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 19:48:47,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 19:48:47,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 19:48:47,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 19:48:47,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 19:48:47,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 19:48:47,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 19:48:47,353 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 19:48:47,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 19:48:47,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 19:48:47,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 19:48:47,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 19:48:47,368 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 19:48:47,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 19:48:47,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 19:48:47,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 19:48:47,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 19:48:47,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 19:48:47,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 19:48:47,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 19:48:47,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 19:48:47,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 19:48:47,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 19:48:47,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 19:48:47,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 19:48:47,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 19:48:47,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 19:48:47,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 19:48:47,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 19:48:47,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:48:47,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 19:48:47,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 19:48:47,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 19:48:47,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 19:48:47,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 19:48:47,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 19:48:47,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 19:48:47,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 19:48:47,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 19:48:47,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 19:48:47,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 19:48:47,418 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 19:48:47,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c [2019-08-31 19:48:47,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd13a8f5/72034556468b4f748e7161e7b68a0edd/FLAGa4afcca9c [2019-08-31 19:48:47,999 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 19:48:47,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.5.1.ufo.UNBOUNDED.pals.c [2019-08-31 19:48:48,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd13a8f5/72034556468b4f748e7161e7b68a0edd/FLAGa4afcca9c [2019-08-31 19:48:48,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fd13a8f5/72034556468b4f748e7161e7b68a0edd [2019-08-31 19:48:48,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 19:48:48,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 19:48:48,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 19:48:48,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 19:48:48,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 19:48:48,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11471fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48, skipping insertion in model container [2019-08-31 19:48:48,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,356 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 19:48:48,402 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 19:48:48,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:48:48,663 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 19:48:48,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:48:48,839 INFO L192 MainTranslator]: Completed translation [2019-08-31 19:48:48,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48 WrapperNode [2019-08-31 19:48:48,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 19:48:48,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 19:48:48,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 19:48:48,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 19:48:48,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48" (1/1) ... [2019-08-31 19:48:48,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 19:48:48,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 19:48:48,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 19:48:48,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 19:48:48,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:48:48" (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 19:48:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 19:48:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 19:48:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 19:48:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 19:48:48,961 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 19:48:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 19:48:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-31 19:48:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 19:48:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 19:48:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 19:48:48,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 19:48:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 19:48:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 19:48:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 19:48:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-31 19:48:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 19:48:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 19:48:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 19:48:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 19:48:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 19:48:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 19:48:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 19:48:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 19:48:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 19:48:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 19:48:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 19:48:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 19:48:48,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 19:48:48,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 19:48:49,614 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 19:48:49,614 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 19:48:49,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:48:49 BoogieIcfgContainer [2019-08-31 19:48:49,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 19:48:49,617 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 19:48:49,617 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 19:48:49,617 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 19:48:49,618 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:48:49" (1/1) ... [2019-08-31 19:48:49,668 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 19:48:49,668 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 19:48:49,688 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 19:48:49,702 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 19:48:49,703 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 19:48:49,922 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:49,923 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:49,924 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:49,925 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:48:49,938 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 19:48:49,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 19:48:50,158 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-31 19:48:50,159 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:48:50,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,197 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,200 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,202 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,203 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,207 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:48:50,213 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 19:48:50,214 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 19:48:50,397 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-31 19:48:50,399 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:48:50,400 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 19:48:50,400 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:148, output treesize:162 [2019-08-31 19:48:50,464 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 224 for LOIs [2019-08-31 19:48:51,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,326 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,333 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,358 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,361 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,453 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,459 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,467 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,559 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,562 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,686 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,686 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,729 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,731 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,753 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,757 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,808 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:48:51,873 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 6 for LOIs [2019-08-31 19:48:51,874 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 19:48:51,874 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 19:48:51,876 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 536#(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 19:48:51,890 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 19:48:51,890 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 19:48:51,892 INFO L168 Benchmark]: Toolchain (without parser) took 3551.53 ms. Allocated memory was 133.2 MB in the beginning and 261.6 MB in the end (delta: 128.5 MB). Free memory was 89.2 MB in the beginning and 118.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 99.5 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:51,893 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-31 19:48:51,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.33 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 174.5 MB in the end (delta: -85.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:51,895 INFO L168 Benchmark]: Boogie Preprocessor took 52.68 ms. Allocated memory is still 200.8 MB. Free memory was 174.5 MB in the beginning and 171.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:51,895 INFO L168 Benchmark]: RCFGBuilder took 722.59 ms. Allocated memory is still 200.8 MB. Free memory was 171.3 MB in the beginning and 130.4 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:51,896 INFO L168 Benchmark]: Sifa took 2273.63 ms. Allocated memory was 200.8 MB in the beginning and 261.6 MB in the end (delta: 60.8 MB). Free memory was 130.4 MB in the beginning and 118.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. [2019-08-31 19:48:51,900 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 499.33 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 174.5 MB in the end (delta: -85.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.68 ms. Allocated memory is still 200.8 MB. Free memory was 174.5 MB in the beginning and 171.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 722.59 ms. Allocated memory is still 200.8 MB. Free memory was 171.3 MB in the beginning and 130.4 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. * Sifa took 2273.63 ms. Allocated memory was 200.8 MB in the beginning and 261.6 MB in the end (delta: 60.8 MB). Free memory was 130.4 MB in the beginning and 118.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 73.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 2.2s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 187 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 169 TOOLS_POST_APPLICATIONS, 0.7s 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, 188 FLUID_QUERIES, 6 FLUID_YES_ANSWERS, 75 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, 64 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, 1.6s CALL_SUMMARIZER_OVERALL_TIME, 1.6s 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, 418 DAG_COMPRESSION_PROCESSED_NODES, 209 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 473]: 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 536#(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...