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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:15:40,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:15:40,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:15:40,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:15:40,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:15:40,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:15:40,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:15:40,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:15:40,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:15:40,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:15:40,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:15:40,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:15:40,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:15:40,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:15:40,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:15:40,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:15:40,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:15:40,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:15:40,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:15:40,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:15:40,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:15:40,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:15:40,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:15:40,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:15:40,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:15:40,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:15:40,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:15:40,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:15:40,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:15:40,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:15:40,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:15:40,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:15:40,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:15:40,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:15:40,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:15:40,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:15:40,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:15:40,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:15:40,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:15:40,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:15:40,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:15:40,489 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 [2019-09-20 23:15:40,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:15:40,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:15:40,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:15:40,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:15:40,505 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:15:40,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:15:40,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:15:40,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:15:40,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:15:40,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:15:40,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:15:40,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:15:40,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:15:40,507 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:15:40,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:15:40,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:15:40,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:15:40,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:15:40,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:15:40,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:15:40,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:15:40,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:15:40,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:15:40,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:15:40,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:15:40,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:15:40,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:15:40,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:15:40,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:15:40,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:15:40,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:15:40,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:15:40,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:15:40,562 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:15:40,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c [2019-09-20 23:15:40,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3bab89b4/f33c09cfaff34ab2ab9eb41042b1dff1/FLAG37cbaabb5 [2019-09-20 23:15:41,203 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:15:41,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c [2019-09-20 23:15:41,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3bab89b4/f33c09cfaff34ab2ab9eb41042b1dff1/FLAG37cbaabb5 [2019-09-20 23:15:41,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3bab89b4/f33c09cfaff34ab2ab9eb41042b1dff1 [2019-09-20 23:15:41,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:15:41,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:15:41,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:15:41,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:15:41,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:15:41,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:15:41" (1/1) ... [2019-09-20 23:15:41,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d887056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:41, skipping insertion in model container [2019-09-20 23:15:41,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:15:41" (1/1) ... [2019-09-20 23:15:41,506 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:15:41,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:15:42,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:15:42,228 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:15:42,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:15:42,510 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:15:42,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42 WrapperNode [2019-09-20 23:15:42,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:15:42,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:15:42,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:15:42,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:15:42,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42" (1/1) ... [2019-09-20 23:15:42,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42" (1/1) ... [2019-09-20 23:15:42,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42" (1/1) ... [2019-09-20 23:15:42,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42" (1/1) ... [2019-09-20 23:15:42,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42" (1/1) ... [2019-09-20 23:15:42,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42" (1/1) ... [2019-09-20 23:15:42,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42" (1/1) ... [2019-09-20 23:15:42,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:15:42,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:15:42,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:15:42,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:15:42,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:15:42" (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 [2019-09-20 23:15:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:15:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:15:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:15:42,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:15:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:15:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:15:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:15:42,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:15:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:15:42,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:15:44,130 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:15:44,131 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:15:44,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:15:44 BoogieIcfgContainer [2019-09-20 23:15:44,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:15:44,133 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:15:44,133 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:15:44,133 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:15:44,134 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:15:44" (1/1) ... [2019-09-20 23:15:44,135 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:15:44,159 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-09-20 23:15:44,159 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:15:44,168 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:15:44,177 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:15:44,179 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:15:44,250 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 23:16:00,081 WARN L191 SmtUtils]: Spent 14.20 s on a formula simplification. DAG size of input: 751 DAG size of output: 358 [2019-09-20 23:16:03,344 WARN L191 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 358 [2019-09-20 23:16:07,978 WARN L191 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 367 DAG size of output: 346 [2019-09-20 23:16:09,132 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-20 23:16:11,808 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 361 DAG size of output: 346 [2019-09-20 23:16:12,990 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-20 23:16:15,384 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 363 DAG size of output: 346 [2019-09-20 23:16:16,544 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-20 23:16:20,124 WARN L191 SmtUtils]: Spent 3.57 s on a formula simplification that was a NOOP. DAG size: 356 [2019-09-20 23:16:23,681 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 356