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/loops/sum_array-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 05:27:59,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 05:27:59,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 05:27:59,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 05:27:59,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 05:27:59,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 05:27:59,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 05:27:59,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 05:27:59,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 05:27:59,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 05:27:59,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 05:27:59,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 05:27:59,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 05:27:59,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 05:27:59,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 05:27:59,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 05:27:59,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 05:27:59,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 05:27:59,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 05:27:59,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 05:27:59,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 05:27:59,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 05:27:59,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 05:27:59,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 05:27:59,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 05:27:59,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 05:27:59,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 05:27:59,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 05:27:59,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 05:27:59,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 05:27:59,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 05:27:59,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 05:27:59,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 05:27:59,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 05:27:59,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 05:27:59,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 05:27:59,431 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 05:27:59,445 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 05:27:59,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 05:27:59,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 05:27:59,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 05:27:59,447 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 05:27:59,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 05:27:59,447 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 05:27:59,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 05:27:59,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 05:27:59,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 05:27:59,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 05:27:59,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 05:27:59,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 05:27:59,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 05:27:59,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 05:27:59,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 05:27:59,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 05:27:59,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 05:27:59,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 05:27:59,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 05:27:59,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 05:27:59,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 05:27:59,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 05:27:59,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 05:27:59,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 05:27:59,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 05:27:59,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 05:27:59,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 05:27:59,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 05:27:59,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 05:27:59,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 05:27:59,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 05:27:59,496 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 05:27:59,497 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 05:27:59,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array-1.c [2019-08-31 05:27:59,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221598458/81c0926068c44f49b8e372bcd25bf707/FLAGc3760a13b [2019-08-31 05:27:59,976 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 05:27:59,977 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-1.c [2019-08-31 05:27:59,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221598458/81c0926068c44f49b8e372bcd25bf707/FLAGc3760a13b [2019-08-31 05:28:00,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/221598458/81c0926068c44f49b8e372bcd25bf707 [2019-08-31 05:28:00,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 05:28:00,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 05:28:00,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 05:28:00,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 05:28:00,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 05:28:00,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9d3a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00, skipping insertion in model container [2019-08-31 05:28:00,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,408 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 05:28:00,426 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 05:28:00,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:28:00,637 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 05:28:00,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:28:00,682 INFO L192 MainTranslator]: Completed translation [2019-08-31 05:28:00,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00 WrapperNode [2019-08-31 05:28:00,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 05:28:00,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 05:28:00,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 05:28:00,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 05:28:00,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00" (1/1) ... [2019-08-31 05:28:00,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 05:28:00,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 05:28:00,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 05:28:00,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 05:28:00,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:28:00" (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 05:28:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 05:28:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 05:28:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 05:28:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 05:28:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 05:28:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 05:28:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 05:28:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-31 05:28:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 05:28:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 05:28:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 05:28:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 05:28:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 05:28:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 05:28:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 05:28:01,242 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 05:28:01,242 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-31 05:28:01,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:28:01 BoogieIcfgContainer [2019-08-31 05:28:01,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 05:28:01,244 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 05:28:01,244 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 05:28:01,245 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 05:28:01,246 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:28:01" (1/1) ... [2019-08-31 05:28:01,292 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 05:28:01,292 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 05:28:01,299 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 05:28:01,307 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 05:28:01,309 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 05:28:01,407 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 05:28:01,407 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:01,437 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:01,438 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 05:28:01,438 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 05:28:01,452 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-08-31 05:28:01,492 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:01,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:01,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:01,706 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2019-08-31 05:28:01,707 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:01,725 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2019-08-31 05:28:01,726 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:01,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:01,788 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 05:28:01,789 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:86 [2019-08-31 05:28:01,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:01,817 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2019-08-31 05:28:01,818 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:01,827 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2019-08-31 05:28:01,828 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:01,874 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:01,876 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 05:28:01,877 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:86 [2019-08-31 05:28:01,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:01,941 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:01,942 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:01,966 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2019-08-31 05:28:01,967 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,153 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 28 [2019-08-31 05:28:02,154 INFO L567 ElimStorePlain]: treesize reduction 680, result has 5.6 percent of original size [2019-08-31 05:28:02,155 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 05:28:02,155 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:775, output treesize:47 [2019-08-31 05:28:02,162 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:02,197 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:02,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,225 INFO L341 Elim1Store]: treesize reduction 53, result has 22.1 percent of original size [2019-08-31 05:28:02,226 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 79 [2019-08-31 05:28:02,228 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,293 INFO L567 ElimStorePlain]: treesize reduction 14, result has 84.1 percent of original size [2019-08-31 05:28:02,295 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 05:28:02,296 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:187, output treesize:81 [2019-08-31 05:28:02,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:02,328 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:02,329 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,334 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:02,335 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:02,348 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:02,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:02,363 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 102 [2019-08-31 05:28:02,364 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,375 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 05:28:02,380 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 79 [2019-08-31 05:28:02,381 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,556 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-08-31 05:28:02,557 INFO L567 ElimStorePlain]: treesize reduction 28, result has 86.6 percent of original size [2019-08-31 05:28:02,559 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-31 05:28:02,559 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:437, output treesize:195 [2019-08-31 05:28:02,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:02,583 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2019-08-31 05:28:02,584 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,593 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2019-08-31 05:28:02,594 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,625 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:02,626 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 05:28:02,627 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:86 [2019-08-31 05:28:02,645 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 05:28:02,645 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,669 INFO L567 ElimStorePlain]: treesize reduction 5, result has 92.1 percent of original size [2019-08-31 05:28:02,737 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:02,738 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 178 [2019-08-31 05:28:02,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:02,740 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:02,744 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:02,882 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-08-31 05:28:02,883 INFO L567 ElimStorePlain]: treesize reduction 88, result has 73.0 percent of original size [2019-08-31 05:28:02,884 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 05:28:02,884 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:131, output treesize:238 [2019-08-31 05:28:02,966 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:02,966 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 190 [2019-08-31 05:28:02,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:02,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:02,970 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:03,147 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2019-08-31 05:28:03,147 INFO L567 ElimStorePlain]: treesize reduction 148, result has 62.1 percent of original size [2019-08-31 05:28:03,232 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 05:28:03,233 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 206 [2019-08-31 05:28:03,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,241 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 05:28:03,530 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-31 05:28:03,531 INFO L567 ElimStorePlain]: treesize reduction 96, result has 82.0 percent of original size [2019-08-31 05:28:03,532 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 05:28:03,532 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:109, output treesize:438 [2019-08-31 05:28:03,555 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,560 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,561 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,565 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,591 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,593 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,616 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,654 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,675 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,691 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,702 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,711 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,730 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,733 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,734 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,736 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,741 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,742 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,758 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,785 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 05:28:03,791 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-08-31 05:28:03,793 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 05:28:03,793 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 05:28:03,795 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 193#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 05:28:03,817 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 05:28:03,817 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 05:28:03,819 INFO L168 Benchmark]: Toolchain (without parser) took 3427.88 ms. Allocated memory was 134.2 MB in the beginning and 256.9 MB in the end (delta: 122.7 MB). Free memory was 88.9 MB in the beginning and 185.8 MB in the end (delta: -96.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:03,820 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 05:28:03,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.35 ms. Allocated memory is still 134.2 MB. Free memory was 88.7 MB in the beginning and 78.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:03,826 INFO L168 Benchmark]: Boogie Preprocessor took 148.89 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 78.4 MB in the beginning and 177.2 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:03,828 INFO L168 Benchmark]: RCFGBuilder took 411.33 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 160.7 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:03,834 INFO L168 Benchmark]: Sifa took 2572.99 ms. Allocated memory was 201.3 MB in the beginning and 256.9 MB in the end (delta: 55.6 MB). Free memory was 160.7 MB in the beginning and 185.8 MB in the end (delta: -25.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-08-31 05:28:03,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.35 ms. Allocated memory is still 134.2 MB. Free memory was 88.7 MB in the beginning and 78.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.89 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 78.4 MB in the beginning and 177.2 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 411.33 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 160.7 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Sifa took 2572.99 ms. Allocated memory was 201.3 MB in the beginning and 256.9 MB in the end (delta: 55.6 MB). Free memory was 160.7 MB in the beginning and 185.8 MB in the end (delta: -25.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 2.5s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 63 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 2 DAG_INTERPRETER_EARLY_EXITS, 53 TOOLS_POST_APPLICATIONS, 2.1s TOOLS_POST_TIME, 6 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 4 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 2.2s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 74 FLUID_QUERIES, 2 FLUID_YES_ANSWERS, 21 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 2 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 7 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 11 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.1s DOMAIN_ISSUBSETEQ_TIME, 10 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 4 LOOP_SUMMARIZER_APPLICATIONS, 4 LOOP_SUMMARIZER_CACHE_MISSES, 2.0s LOOP_SUMMARIZER_OVERALL_TIME, 2.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 11 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 4 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s 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, 202 DAG_COMPRESSION_PROCESSED_NODES, 88 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 6]: 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 193#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...