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.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 19:49:56,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 19:49:56,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 19:49:56,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 19:49:56,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 19:49:56,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 19:49:56,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 19:49:56,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 19:49:56,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 19:49:56,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 19:49:56,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 19:49:56,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 19:49:56,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 19:49:56,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 19:49:56,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 19:49:56,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 19:49:56,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 19:49:56,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 19:49:56,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 19:49:56,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 19:49:56,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 19:49:56,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 19:49:56,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 19:49:56,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 19:49:56,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 19:49:56,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 19:49:56,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 19:49:56,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 19:49:56,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 19:49:56,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 19:49:56,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 19:49:56,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 19:49:56,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 19:49:56,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 19:49:56,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 19:49:56,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 19:49:56,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 19:49:56,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 19:49:56,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 19:49:56,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 19:49:56,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 19:49:56,926 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 19:49:56,940 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 19:49:56,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 19:49:56,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 19:49:56,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 19:49:56,942 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 19:49:56,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 19:49:56,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 19:49:56,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 19:49:56,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 19:49:56,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 19:49:56,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 19:49:56,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 19:49:56,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 19:49:56,944 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 19:49:56,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 19:49:56,944 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 19:49:56,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 19:49:56,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 19:49:56,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 19:49:56,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 19:49:56,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 19:49:56,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:49:56,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 19:49:56,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 19:49:56,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 19:49:56,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 19:49:56,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 19:49:56,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 19:49:56,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 19:49:56,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 19:49:56,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 19:49:56,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 19:49:56,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 19:49:56,998 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 19:49:56,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2019-08-31 19:49:57,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2464ec38/9452c37f41384cd399c2e55958f66465/FLAGcae6c4def [2019-08-31 19:49:57,585 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 19:49:57,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2019-08-31 19:49:57,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2464ec38/9452c37f41384cd399c2e55958f66465/FLAGcae6c4def [2019-08-31 19:49:57,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2464ec38/9452c37f41384cd399c2e55958f66465 [2019-08-31 19:49:57,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 19:49:57,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 19:49:57,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 19:49:57,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 19:49:57,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 19:49:57,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:49:57" (1/1) ... [2019-08-31 19:49:57,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b32d7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:57, skipping insertion in model container [2019-08-31 19:49:57,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:49:57" (1/1) ... [2019-08-31 19:49:57,944 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 19:49:57,991 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 19:49:58,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:49:58,414 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 19:49:58,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:49:58,493 INFO L192 MainTranslator]: Completed translation [2019-08-31 19:49:58,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58 WrapperNode [2019-08-31 19:49:58,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 19:49:58,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 19:49:58,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 19:49:58,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 19:49:58,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58" (1/1) ... [2019-08-31 19:49:58,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58" (1/1) ... [2019-08-31 19:49:58,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58" (1/1) ... [2019-08-31 19:49:58,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58" (1/1) ... [2019-08-31 19:49:58,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58" (1/1) ... [2019-08-31 19:49:58,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58" (1/1) ... [2019-08-31 19:49:58,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58" (1/1) ... [2019-08-31 19:49:58,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 19:49:58,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 19:49:58,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 19:49:58,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 19:49:58,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:49:58" (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 19:49:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 19:49:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 19:49:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 19:49:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 19:49:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 19:49:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 19:49:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-31 19:49:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-31 19:49:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2019-08-31 19:49:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 19:49:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 19:49:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 19:49:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 19:49:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 19:49:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 19:49:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 19:49:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-31 19:49:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 19:49:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 19:49:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 19:49:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 19:49:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 19:49:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 19:49:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 19:49:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 19:49:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 19:49:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-31 19:49:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2019-08-31 19:49:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 19:49:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 19:49:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 19:49:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 19:49:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 19:49:59,447 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 19:49:59,447 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 19:49:59,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:49:59 BoogieIcfgContainer [2019-08-31 19:49:59,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 19:49:59,450 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 19:49:59,450 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 19:49:59,450 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 19:49:59,451 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:49:59" (1/1) ... [2019-08-31 19:49:59,487 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 19:49:59,488 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 19:49:59,497 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 19:49:59,506 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 19:49:59,508 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 19:49:59,657 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,661 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,668 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,671 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,672 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,676 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,678 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,692 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,694 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,698 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:49:59,721 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 19:49:59,722 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 19:50:00,044 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-31 19:50:00,045 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:50:00,063 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:50:00,066 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:50:00,067 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:50:00,068 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:50:00,069 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:50:00,070 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:50:00,074 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 19:50:00,074 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 19:50:00,370 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-08-31 19:50:00,371 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:50:00,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 19:50:00,373 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:202, output treesize:224 [2019-08-31 19:50:00,457 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 304 for LOIs [2019-08-31 19:50:03,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,206 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,216 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,219 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,228 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,237 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,239 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,242 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,248 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,251 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,258 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,260 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,268 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,272 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,275 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,277 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,279 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,289 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,292 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,302 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,349 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,353 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,361 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,372 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:03,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,019 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,089 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,090 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,100 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,102 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,105 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,106 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,134 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,136 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,168 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,172 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,173 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,173 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,176 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,177 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,178 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,238 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,244 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:50:04,343 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 6 for LOIs [2019-08-31 19:50:04,345 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 19:50:04,345 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 19:50:04,347 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 743#(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 19:50:04,361 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 19:50:04,361 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 19:50:04,363 INFO L168 Benchmark]: Toolchain (without parser) took 6440.34 ms. Allocated memory was 133.2 MB in the beginning and 382.2 MB in the end (delta: 249.0 MB). Free memory was 86.9 MB in the beginning and 200.3 MB in the end (delta: -113.3 MB). Peak memory consumption was 135.7 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:04,364 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 19:50:04,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.40 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 170.0 MB in the end (delta: -83.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:04,366 INFO L168 Benchmark]: Boogie Preprocessor took 83.71 ms. Allocated memory is still 199.8 MB. Free memory was 170.0 MB in the beginning and 166.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:04,367 INFO L168 Benchmark]: RCFGBuilder took 870.45 ms. Allocated memory is still 199.8 MB. Free memory was 166.5 MB in the beginning and 112.1 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:04,368 INFO L168 Benchmark]: Sifa took 4911.71 ms. Allocated memory was 199.8 MB in the beginning and 382.2 MB in the end (delta: 182.5 MB). Free memory was 112.1 MB in the beginning and 200.3 MB in the end (delta: -88.2 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2019-08-31 19:50:04,380 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 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 570.40 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 170.0 MB in the end (delta: -83.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.71 ms. Allocated memory is still 199.8 MB. Free memory was 170.0 MB in the beginning and 166.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 870.45 ms. Allocated memory is still 199.8 MB. Free memory was 166.5 MB in the beginning and 112.1 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. * Sifa took 4911.71 ms. Allocated memory was 199.8 MB in the beginning and 382.2 MB in the end (delta: 182.5 MB). Free memory was 112.1 MB in the beginning and 200.3 MB in the end (delta: -88.2 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 4.9s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 258 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 1 DAG_INTERPRETER_EARLY_EXITS, 236 TOOLS_POST_APPLICATIONS, 1.1s TOOLS_POST_TIME, 21 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 19 TOOLS_POST_RETURN_APPLICATIONS, 0.7s TOOLS_POST_RETURN_TIME, 1.9s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 259 FLUID_QUERIES, 8 FLUID_YES_ANSWERS, 105 DOMAIN_JOIN_APPLICATIONS, 2.5s 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, 94 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.2s LOOP_SUMMARIZER_OVERALL_TIME, 0.2s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 1 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 19 CALL_SUMMARIZER_APPLICATIONS, 11 CALL_SUMMARIZER_CACHE_MISSES, 3.7s CALL_SUMMARIZER_OVERALL_TIME, 3.7s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.1s DAG_COMPRESSION_TIME, 686 DAG_COMPRESSION_PROCESSED_NODES, 283 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 629]: 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 743#(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...