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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:27:23,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:27:23,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:27:23,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:27:23,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:27:23,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:27:23,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:27:23,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:27:23,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:27:23,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:27:23,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:27:23,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:27:23,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:27:23,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:27:23,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:27:23,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:27:23,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:27:23,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:27:23,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:27:23,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:27:23,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:27:23,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:27:23,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:27:23,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:27:23,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:27:23,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:27:23,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:27:23,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:27:23,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:27:23,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:27:23,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:27:23,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:27:23,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:27:23,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:27:23,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:27:23,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:27:23,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:27:23,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:27:23,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:27:23,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:27:23,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:27:23,468 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 19:27:23,485 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:27:23,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:27:23,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:27:23,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:27:23,489 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:27:23,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:27:23,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:27:23,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:27:23,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:27:23,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:27:23,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:27:23,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:27:23,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:27:23,494 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:27:23,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:27:23,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:27:23,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:27:23,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:27:23,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:27:23,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:27:23,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:27:23,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:27:23,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:27:23,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:27:23,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:27:23,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:27:23,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:27:23,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:27:23,498 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 -> SingleStatement 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_DDA [2019-09-20 19:27:23,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:27:23,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:27:23,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:27:23,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:27:23,556 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:27:23,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-20 19:27:23,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c4501006/532eca9f3df6447f8b002e818707fbdd/FLAGcfbe4549d [2019-09-20 19:27:24,076 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:27:24,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-20 19:27:24,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c4501006/532eca9f3df6447f8b002e818707fbdd/FLAGcfbe4549d [2019-09-20 19:27:24,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c4501006/532eca9f3df6447f8b002e818707fbdd [2019-09-20 19:27:24,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:27:24,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:27:24,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:24,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:27:24,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:27:24,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:24" (1/1) ... [2019-09-20 19:27:24,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790f6681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:24, skipping insertion in model container [2019-09-20 19:27:24,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:24" (1/1) ... [2019-09-20 19:27:24,491 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:27:24,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:27:24,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:24,804 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:27:24,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:25,001 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:27:25,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25 WrapperNode [2019-09-20 19:27:25,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:25,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:27:25,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:27:25,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:27:25,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25" (1/1) ... [2019-09-20 19:27:25,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25" (1/1) ... [2019-09-20 19:27:25,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25" (1/1) ... [2019-09-20 19:27:25,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25" (1/1) ... [2019-09-20 19:27:25,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25" (1/1) ... [2019-09-20 19:27:25,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25" (1/1) ... [2019-09-20 19:27:25,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25" (1/1) ... [2019-09-20 19:27:25,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:27:25,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:27:25,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:27:25,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:27:25,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:25" (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 19:27:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:27:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:27:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 19:27:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:27:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:27:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:27:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 19:27:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 19:27:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:27:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:27:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:27:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:27:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:27:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:27:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:27:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:27:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:27:25,573 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:27:25,573 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 19:27:25,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:25 BoogieIcfgContainer [2019-09-20 19:27:25,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:27:25,575 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:27:25,575 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:27:25,576 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:27:25,577 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:25" (1/1) ... [2019-09-20 19:27:25,577 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:27:25,601 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:27:25,601 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:27:25,611 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:27:25,619 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:27:25,620 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:27:25,777 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:27:26,435 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-09-20 19:27:26,706 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 19:27:27,566 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2019-09-20 19:27:28,552 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 19:27:29,328 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 19:28:06,580 WARN L191 SmtUtils]: Spent 36.93 s on a formula simplification. DAG size of input: 196 DAG size of output: 194