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.7.ufo.BOUNDED-14.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 19:49:52,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 19:49:52,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 19:49:52,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 19:49:52,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 19:49:52,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 19:49:52,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 19:49:52,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 19:49:52,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 19:49:52,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 19:49:52,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 19:49:52,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 19:49:52,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 19:49:52,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 19:49:52,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 19:49:52,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 19:49:52,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 19:49:52,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 19:49:52,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 19:49:52,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 19:49:52,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 19:49:52,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 19:49:52,861 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 19:49:52,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 19:49:52,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 19:49:52,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 19:49:52,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 19:49:52,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 19:49:52,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 19:49:52,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 19:49:52,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 19:49:52,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 19:49:52,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 19:49:52,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 19:49:52,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 19:49:52,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 19:49:52,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 19:49:52,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 19:49:52,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 19:49:52,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 19:49:52,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 19:49:52,880 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 19:49:52,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 19:49:52,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 19:49:52,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 19:49:52,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 19:49:52,909 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 19:49:52,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 19:49:52,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 19:49:52,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 19:49:52,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 19:49:52,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 19:49:52,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 19:49:52,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 19:49:52,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 19:49:52,912 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 19:49:52,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 19:49:52,912 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 19:49:52,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 19:49:52,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 19:49:52,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 19:49:52,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 19:49:52,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 19:49:52,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:49:52,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 19:49:52,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 19:49:52,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 19:49:52,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 19:49:52,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 19:49:52,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 19:49:52,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 19:49:52,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 19:49:52,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 19:49:52,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 19:49:52,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 19:49:52,990 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 19:49:52,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c [2019-08-31 19:49:53,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620b767bb/04f746eff1f845ed957fb5cbea7297fe/FLAGa0f71d075 [2019-08-31 19:49:53,565 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 19:49:53,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.ufo.BOUNDED-14.pals.c [2019-08-31 19:49:53,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620b767bb/04f746eff1f845ed957fb5cbea7297fe/FLAGa0f71d075 [2019-08-31 19:49:53,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/620b767bb/04f746eff1f845ed957fb5cbea7297fe [2019-08-31 19:49:53,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 19:49:53,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 19:49:53,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 19:49:53,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 19:49:53,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 19:49:53,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:49:53" (1/1) ... [2019-08-31 19:49:53,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307ae3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:53, skipping insertion in model container [2019-08-31 19:49:53,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:49:53" (1/1) ... [2019-08-31 19:49:53,985 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 19:49:54,029 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 19:49:54,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:49:54,410 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 19:49:54,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:49:54,507 INFO L192 MainTranslator]: Completed translation [2019-08-31 19:49:54,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54 WrapperNode [2019-08-31 19:49:54,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 19:49:54,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 19:49:54,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 19:49:54,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 19:49:54,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54" (1/1) ... [2019-08-31 19:49:54,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54" (1/1) ... [2019-08-31 19:49:54,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54" (1/1) ... [2019-08-31 19:49:54,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54" (1/1) ... [2019-08-31 19:49:54,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54" (1/1) ... [2019-08-31 19:49:54,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54" (1/1) ... [2019-08-31 19:49:54,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54" (1/1) ... [2019-08-31 19:49:54,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 19:49:54,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 19:49:54,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 19:49:54,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 19:49:54,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:54" (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 19:49:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 19:49:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 19:49:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 19:49:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 19:49:54,638 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 19:49:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 19:49:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-31 19:49:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-31 19:49:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2019-08-31 19:49:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 19:49:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 19:49:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 19:49:54,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 19:49:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 19:49:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 19:49:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 19:49:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 19:49:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 19:49:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 19:49:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 19:49:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 19:49:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 19:49:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 19:49:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 19:49:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 19:49:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-31 19:49:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-31 19:49:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 19:49:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 19:49:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 19:49:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 19:49:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 19:49:55,461 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 19:49:55,462 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 19:49:55,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:49:55 BoogieIcfgContainer [2019-08-31 19:49:55,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 19:49:55,464 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 19:49:55,464 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 19:49:55,464 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 19:49:55,466 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:49:55" (1/1) ... [2019-08-31 19:49:55,527 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 19:49:55,528 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 19:49:55,551 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 19:49:55,560 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 19:49:55,561 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 19:49:55,751 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,754 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,758 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,761 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,764 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,765 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,775 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,778 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,784 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,788 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,793 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,796 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,798 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,799 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,802 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:55,833 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 42 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2019-08-31 19:49:55,834 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 19:49:56,170 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-31 19:49:56,171 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:49:56,190 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:56,192 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:56,194 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:56,196 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:56,198 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:56,200 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:49:56,206 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2019-08-31 19:49:56,207 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 19:49:56,506 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-08-31 19:49:56,507 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:49:56,508 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 19:49:56,509 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:224 [2019-08-31 19:49:56,601 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 304 for LOIs [2019-08-31 19:49:59,831 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,837 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,839 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,844 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,846 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,852 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,855 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,866 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,884 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,901 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,909 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,925 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,928 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,930 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,931 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,934 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,941 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,943 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,949 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:49:59,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,175 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,177 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,179 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,181 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,184 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,464 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,465 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,473 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,474 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,510 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,512 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,515 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,517 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,519 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,558 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,587 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,613 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,617 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,618 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,619 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,620 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,621 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,788 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:00,789 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 6 for LOIs [2019-08-31 19:50:00,790 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 19:50:00,790 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 19:50:00,792 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 736#(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 19:50:00,806 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 19:50:00,807 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 19:50:00,809 INFO L168 Benchmark]: Toolchain (without parser) took 6840.47 ms. Allocated memory was 133.7 MB in the beginning and 369.1 MB in the end (delta: 235.4 MB). Free memory was 89.3 MB in the beginning and 260.6 MB in the end (delta: -171.3 MB). Peak memory consumption was 64.1 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:00,809 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 19:50:00,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.20 ms. Allocated memory was 133.7 MB in the beginning and 197.7 MB in the end (delta: 64.0 MB). Free memory was 88.9 MB in the beginning and 166.3 MB in the end (delta: -77.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:00,811 INFO L168 Benchmark]: Boogie Preprocessor took 75.15 ms. Allocated memory is still 197.7 MB. Free memory was 166.3 MB in the beginning and 163.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:00,812 INFO L168 Benchmark]: RCFGBuilder took 879.07 ms. Allocated memory is still 197.7 MB. Free memory was 163.7 MB in the beginning and 109.0 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:00,813 INFO L168 Benchmark]: Sifa took 5342.87 ms. Allocated memory was 197.7 MB in the beginning and 369.1 MB in the end (delta: 171.4 MB). Free memory was 109.0 MB in the beginning and 260.6 MB in the end (delta: -151.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:00,817 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 539.20 ms. Allocated memory was 133.7 MB in the beginning and 197.7 MB in the end (delta: 64.0 MB). Free memory was 88.9 MB in the beginning and 166.3 MB in the end (delta: -77.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.15 ms. Allocated memory is still 197.7 MB. Free memory was 166.3 MB in the beginning and 163.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 879.07 ms. Allocated memory is still 197.7 MB. Free memory was 163.7 MB in the beginning and 109.0 MB in the end (delta: 54.7 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. * Sifa took 5342.87 ms. Allocated memory was 197.7 MB in the beginning and 369.1 MB in the end (delta: 171.4 MB). Free memory was 109.0 MB in the beginning and 260.6 MB in the end (delta: -151.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 5.3s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 256 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 233 TOOLS_POST_APPLICATIONS, 1.2s TOOLS_POST_TIME, 21 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 19 TOOLS_POST_RETURN_APPLICATIONS, 0.5s TOOLS_POST_RETURN_TIME, 1.8s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 257 FLUID_QUERIES, 8 FLUID_YES_ANSWERS, 104 DOMAIN_JOIN_APPLICATIONS, 3.1s DOMAIN_JOIN_TIME, 8 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, 91 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, 19 CALL_SUMMARIZER_APPLICATIONS, 11 CALL_SUMMARIZER_CACHE_MISSES, 4.3s CALL_SUMMARIZER_OVERALL_TIME, 4.3s 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, 657 DAG_COMPRESSION_PROCESSED_NODES, 281 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 627]: 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 736#(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...