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 --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/string-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:47:42,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:47:42,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:47:42,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:47:42,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:47:42,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:47:42,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:47:42,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:47:42,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:47:42,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:47:42,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:47:42,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:47:42,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:47:42,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:47:42,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:47:42,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:47:42,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:47:42,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:47:42,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:47:42,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:47:42,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:47:42,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:47:42,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:47:42,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:47:42,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:47:42,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:47:42,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:47:42,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:47:42,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:47:42,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:47:42,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:47:42,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:47:42,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:47:42,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:47:42,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:47:42,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:47:42,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:47:42,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:47:42,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:47:42,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:47:42,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:47:42,681 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 [2019-09-21 09:47:42,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:47:42,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:47:42,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:47:42,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:47:42,697 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:47:42,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:47:42,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:47:42,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:47:42,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:47:42,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:47:42,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:47:42,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:47:42,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:47:42,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:47:42,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:47:42,700 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:47:42,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:47:42,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:47:42,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:47:42,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:47:42,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:47:42,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:47:42,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:47:42,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:47:42,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:47:42,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:47:42,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:47:42,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:47:42,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:47:42,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:47:42,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:47:42,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:47:42,751 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:47:42,751 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:47:42,752 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/string-1.i [2019-09-21 09:47:42,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dbd88d35/466ed1bdaf1443eaa510db2829133c65/FLAG2e21999c8 [2019-09-21 09:47:43,247 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:47:43,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/string-1.i [2019-09-21 09:47:43,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dbd88d35/466ed1bdaf1443eaa510db2829133c65/FLAG2e21999c8 [2019-09-21 09:47:43,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dbd88d35/466ed1bdaf1443eaa510db2829133c65 [2019-09-21 09:47:43,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:47:43,634 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:47:43,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:43,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:47:43,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:47:43,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:43,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108ac6d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43, skipping insertion in model container [2019-09-21 09:47:43,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:43,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:47:43,674 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:47:43,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:43,887 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:47:43,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:47:43,928 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:47:43,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43 WrapperNode [2019-09-21 09:47:43,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:47:43,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:47:43,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:47:43,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:47:44,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:44,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:44,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:44,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:44,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:44,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:44,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43" (1/1) ... [2019-09-21 09:47:44,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:47:44,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:47:44,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:47:44,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:47:44,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:47:43" (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 [2019-09-21 09:47:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:47:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:47:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:47:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:47:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:47:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:47:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:47:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 09:47:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:47:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:47:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:47:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:47:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:47:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:47:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:47:44,535 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:47:44,535 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:47:44,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:44 BoogieIcfgContainer [2019-09-21 09:47:44,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:47:44,537 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:47:44,537 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:47:44,538 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:47:44,539 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:47:44" (1/1) ... [2019-09-21 09:47:44,539 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:47:44,562 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:47:44,563 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:47:44,571 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:47:44,579 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:47:44,583 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:47:44,763 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-21 09:47:48,532 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2019-09-21 09:47:50,236 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-09-21 09:47:50,338 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2019-09-21 09:47:50,471 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 279 [2019-09-21 09:47:50,798 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2019-09-21 09:47:50,935 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-09-21 09:47:51,052 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2019-09-21 09:47:51,294 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 355 [2019-09-21 09:47:51,487 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 324 [2019-09-21 09:47:51,613 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 322 [2019-09-21 09:47:51,763 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 282 [2019-09-21 09:47:51,969 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-09-21 09:47:52,135 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2019-09-21 09:47:52,348 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 448 [2019-09-21 09:47:52,599 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 387 [2019-09-21 09:47:52,756 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 385 [2019-09-21 09:47:52,958 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 346 [2019-09-21 09:47:53,268 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 603 [2019-09-21 09:47:53,547 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-09-21 09:47:53,933 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 572 [2019-09-21 09:47:54,163 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 459 [2019-09-21 09:47:54,370 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-09-21 09:47:54,652 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 419 [2019-09-21 09:47:55,184 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 754 [2019-09-21 09:47:55,653 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 754 [2019-09-21 09:47:56,777 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 717 [2019-09-21 09:47:57,161 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 554 [2019-09-21 09:47:57,481 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-09-21 09:47:57,960 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 496 [2019-09-21 09:47:58,688 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 945 DAG size of output: 945 [2019-09-21 09:47:59,392 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 945 [2019-09-21 09:48:00,348 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 946 DAG size of output: 857 [2019-09-21 09:48:01,760 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 876 DAG size of output: 618 [2019-09-21 09:48:03,019 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 472 [2019-09-21 09:48:03,161 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 09:48:03,413 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 472 [2019-09-21 09:48:03,647 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-21 09:48:03,649 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:48:03,650 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:48:03,652 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1757#false [2019-09-21 09:48:03,658 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-21 09:48:03,659 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:48:03,660 INFO L168 Benchmark]: Toolchain (without parser) took 20028.98 ms. Allocated memory was 137.4 MB in the beginning and 760.2 MB in the end (delta: 622.9 MB). Free memory was 87.4 MB in the beginning and 274.5 MB in the end (delta: -187.1 MB). Peak memory consumption was 435.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:03,661 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:48:03,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.08 ms. Allocated memory is still 137.4 MB. Free memory was 87.2 MB in the beginning and 76.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:03,662 INFO L168 Benchmark]: Boogie Preprocessor took 141.37 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 76.6 MB in the beginning and 177.2 MB in the end (delta: -100.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:03,663 INFO L168 Benchmark]: RCFGBuilder took 465.80 ms. Allocated memory is still 200.3 MB. Free memory was 176.6 MB in the beginning and 153.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:03,663 INFO L168 Benchmark]: Sifa took 19121.79 ms. Allocated memory was 200.3 MB in the beginning and 760.2 MB in the end (delta: 559.9 MB). Free memory was 153.0 MB in the beginning and 274.5 MB in the end (delta: -121.5 MB). Peak memory consumption was 438.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:03,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 294.08 ms. Allocated memory is still 137.4 MB. Free memory was 87.2 MB in the beginning and 76.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.37 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 76.6 MB in the beginning and 177.2 MB in the end (delta: -100.6 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 465.80 ms. Allocated memory is still 200.3 MB. Free memory was 176.6 MB in the beginning and 153.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Sifa took 19121.79 ms. Allocated memory was 200.3 MB in the beginning and 760.2 MB in the end (delta: 559.9 MB). Free memory was 153.0 MB in the beginning and 274.5 MB in the end (delta: -121.5 MB). Peak memory consumption was 438.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 19090, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 101, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 93, TOOLS_POST_TIME[ms]: 2220, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 95, TOOLS_QUANTIFIERELIM_TIME[ms]: 2181, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 306, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 145, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 48, DOMAIN_JOIN_TIME[ms]: 5453, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 709, DOMAIN_WIDEN_APPLICATIONS: 39, DOMAIN_WIDEN_TIME[ms]: 10332, DOMAIN_ISSUBSETEQ_APPLICATIONS: 44, DOMAIN_ISSUBSETEQ_TIME[ms]: 230, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 18825, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 18824, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 44, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 126, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 125, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 268, DAG_COMPRESSION_RETAINED_NODES: 76 - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...