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/array-programs/copysome1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:14:00,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:14:00,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:14:00,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:14:00,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:14:00,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:14:00,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:14:00,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:14:00,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:14:00,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:14:00,299 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:14:00,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:14:00,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:14:00,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:14:00,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:14:00,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:14:00,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:14:00,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:14:00,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:14:00,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:14:00,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:14:00,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:14:00,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:14:00,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:14:00,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:14:00,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:14:00,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:14:00,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:14:00,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:14:00,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:14:00,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:14:00,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:14:00,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:14:00,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:14:00,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:14:00,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:14:00,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-17 21:14:00,376 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:14:00,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:14:00,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:14:00,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:14:00,379 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:14:00,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:14:00,380 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:14:00,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:14:00,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:14:00,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:14:00,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:14:00,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:14:00,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:14:00,382 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:14:00,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:14:00,383 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:14:00,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:14:00,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:14:00,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:14:00,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:14:00,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:14:00,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:14:00,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:14:00,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:14:00,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:14:00,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:14:00,385 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:14:00,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:14:00,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:14:00,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:14:00,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:14:00,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:14:00,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:14:00,457 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:14:00,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-programs/copysome1-1.i [2019-08-17 21:14:00,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/985c0415c/a3a0931349b14c448492749c7f5fba75/FLAGf8fd1bb69 [2019-08-17 21:14:00,957 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:14:00,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-programs/copysome1-1.i [2019-08-17 21:14:00,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/985c0415c/a3a0931349b14c448492749c7f5fba75/FLAGf8fd1bb69 [2019-08-17 21:14:01,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/985c0415c/a3a0931349b14c448492749c7f5fba75 [2019-08-17 21:14:01,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:14:01,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:14:01,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:01,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:14:01,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:14:01,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523fa5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01, skipping insertion in model container [2019-08-17 21:14:01,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:14:01,427 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:14:01,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:01,619 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:14:01,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:14:01,657 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:14:01,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01 WrapperNode [2019-08-17 21:14:01,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:14:01,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:14:01,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:14:01,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:14:01,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01" (1/1) ... [2019-08-17 21:14:01,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:14:01,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:14:01,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:14:01,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:14:01,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:14:01" (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 [2019-08-17 21:14:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:14:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:14:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-17 21:14:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:14:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:14:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-17 21:14:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:14:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:14:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-17 21:14:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-17 21:14:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-17 21:14:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-17 21:14:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:14:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:14:02,111 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:14:02,112 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-17 21:14:02,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:02 BoogieIcfgContainer [2019-08-17 21:14:02,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:14:02,114 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:14:02,114 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:14:02,114 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:14:02,115 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:14:02" (1/1) ... [2019-08-17 21:14:02,131 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:14:02,135 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:14:02,144 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:14:02,154 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:14:02,156 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:14:02,270 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 [2019-08-17 21:14:02,270 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:02,289 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:02,289 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:02,290 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-17 21:14:02,303 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-17 21:14:02,522 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:02,523 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 1 case distinctions, treesize of input 39 treesize of output 67 [2019-08-17 21:14:02,524 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:02,605 INFO L567 ElimStorePlain]: treesize reduction 28, result has 67.4 percent of original size [2019-08-17 21:14:02,607 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:02,613 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:02,613 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:59, output treesize:69 [2019-08-17 21:14:02,672 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:14:02,673 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 23 treesize of output 23 [2019-08-17 21:14:02,674 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:02,700 INFO L567 ElimStorePlain]: treesize reduction 3, result has 90.0 percent of original size [2019-08-17 21:14:02,701 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:02,701 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:27 [2019-08-17 21:14:02,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:02,760 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:14:02,762 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 44 treesize of output 43 [2019-08-17 21:14:02,763 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:02,777 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:02,780 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-17 21:14:02,910 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-08-17 21:14:02,911 INFO L341 Elim1Store]: treesize reduction 44, result has 72.2 percent of original size [2019-08-17 21:14:02,911 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 63 treesize of output 158 [2019-08-17 21:14:02,914 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:03,026 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-08-17 21:14:03,027 INFO L567 ElimStorePlain]: treesize reduction 95, result has 50.8 percent of original size [2019-08-17 21:14:03,028 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-17 21:14:03,029 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:108, output treesize:98 [2019-08-17 21:14:03,068 INFO L341 Elim1Store]: treesize reduction 45, result has 19.6 percent of original size [2019-08-17 21:14:03,069 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 23 treesize of output 23 [2019-08-17 21:14:03,070 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-17 21:14:03,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-17 21:14:03,084 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-17 21:14:03,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2019-08-17 21:14:03,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:03,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:03,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-17 21:14:03,196 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-17 21:14:03,198 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:14:03,198 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:14:03,201 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 177#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-17 21:14:03,212 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:14:03,213 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:14:03,216 INFO L168 Benchmark]: Toolchain (without parser) took 1823.15 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 83.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:03,218 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:14:03,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.79 ms. Allocated memory is still 132.6 MB. Free memory was 88.8 MB in the beginning and 78.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:03,223 INFO L168 Benchmark]: Boogie Preprocessor took 140.06 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.5 MB in the beginning and 175.1 MB in the end (delta: -96.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:03,224 INFO L168 Benchmark]: RCFGBuilder took 314.32 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 160.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:03,227 INFO L168 Benchmark]: Symbolic Interpretation took 1099.25 ms. Allocated memory is still 199.2 MB. Free memory was 160.0 MB in the beginning and 83.1 MB in the end (delta: 76.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:14:03,232 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4]: 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 177#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.79 ms. Allocated memory is still 132.6 MB. Free memory was 88.8 MB in the beginning and 78.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 140.06 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 78.5 MB in the beginning and 175.1 MB in the end (delta: -96.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.32 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 160.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1099.25 ms. Allocated memory is still 199.2 MB. Free memory was 160.0 MB in the beginning and 83.1 MB in the end (delta: 76.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...