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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:05:34,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:05:34,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:05:34,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:05:34,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:05:34,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:05:34,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:05:34,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:05:34,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:05:34,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:05:34,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:05:34,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:05:34,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:05:34,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:05:34,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:05:34,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:05:34,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:05:34,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:05:34,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:05:34,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:05:34,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:05:34,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:05:34,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:05:34,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:05:34,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:05:34,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:05:34,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:05:34,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:05:34,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:05:34,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:05:34,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:05:34,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:05:34,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:05:34,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:05:34,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:05:34,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:05:34,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:05:34,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:05:34,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:05:34,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:05:34,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:05:34,271 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 14:05:34,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:05:34,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:05:34,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:05:34,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:05:34,288 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:05:34,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:05:34,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:05:34,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:05:34,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:05:34,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:05:34,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:05:34,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:05:34,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:05:34,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:05:34,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:05:34,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:05:34,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:05:34,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:05:34,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:05:34,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:05:34,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:05:34,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:05:34,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:05:34,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:05:34,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:05:34,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:05:34,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:05:34,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:05:34,292 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 -> 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 14:05:34,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:05:34,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:05:34,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:05:34,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:05:34,342 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:05:34,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-20 14:05:34,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5022ea9e0/74af6239e4e64225b6c394671b244eb5/FLAGeb8da0a62 [2019-09-20 14:05:34,920 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:05:34,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-20 14:05:34,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5022ea9e0/74af6239e4e64225b6c394671b244eb5/FLAGeb8da0a62 [2019-09-20 14:05:35,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5022ea9e0/74af6239e4e64225b6c394671b244eb5 [2019-09-20 14:05:35,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:05:35,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:05:35,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:05:35,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:05:35,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:05:35,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118fa366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35, skipping insertion in model container [2019-09-20 14:05:35,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,334 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:05:35,358 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:05:35,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:05:35,550 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:05:35,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:05:35,696 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:05:35,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35 WrapperNode [2019-09-20 14:05:35,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:05:35,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:05:35,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:05:35,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:05:35,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35" (1/1) ... [2019-09-20 14:05:35,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:05:35,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:05:35,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:05:35,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:05:35,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:05:35" (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 14:05:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:05:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:05:35,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:05:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:05:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:05:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 14:05:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:05:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:05:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:05:36,121 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:05:36,121 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 14:05:36,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:05:36 BoogieIcfgContainer [2019-09-20 14:05:36,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:05:36,123 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:05:36,123 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:05:36,124 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:05:36,125 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:05:36" (1/1) ... [2019-09-20 14:05:36,125 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 14:05:36,149 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:05:36,149 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:05:36,157 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:05:36,167 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:05:36,169 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:05:36,340 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2019-09-20 14:05:36,425 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 14:05:37,017 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-20 14:05:37,137 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 14:05:37,312 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2019-09-20 14:05:37,669 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-09-20 14:05:37,849 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2019-09-20 14:05:47,868 WARN L191 SmtUtils]: Spent 9.93 s on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-09-20 14:05:48,043 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-20 14:05:49,254 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-09-20 14:05:49,472 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 14:05:49,844 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 14:05:51,102 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-20 14:05:58,292 WARN L191 SmtUtils]: Spent 7.10 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 14:06:00,384 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 14:06:13,609 WARN L191 SmtUtils]: Spent 13.22 s on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 14:06:16,894 WARN L191 SmtUtils]: Spent 3.28 s on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 14:06:25,638 WARN L191 SmtUtils]: Spent 8.74 s on a formula simplification that was a NOOP. DAG size: 130