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-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:16:27,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:16:27,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:16:27,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:16:27,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:16:27,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:16:27,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:16:27,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:16:27,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:16:27,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:16:27,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:16:27,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:16:27,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:16:27,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:16:27,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:16:27,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:16:27,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:16:27,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:16:27,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:16:27,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:16:27,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:16:27,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:16:27,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:16:27,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:16:27,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:16:27,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:16:27,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:16:27,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:16:27,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:16:27,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:16:27,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:16:27,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:16:27,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:16:27,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:16:27,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:16:27,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:16:27,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:16:27,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:16:27,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:16:27,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:16:27,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:16:27,223 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 23:16:27,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:16:27,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:16:27,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:16:27,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:16:27,239 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:16:27,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:16:27,240 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:16:27,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:16:27,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:16:27,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:16:27,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:16:27,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:16:27,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:16:27,241 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:16:27,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:16:27,242 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:16:27,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:16:27,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:16:27,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:16:27,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:16:27,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:16:27,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:16:27,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:16:27,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:16:27,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:16:27,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:16:27,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:16:27,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:16:27,244 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 23:16:27,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:16:27,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:16:27,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:16:27,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:16:27,295 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:16:27,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-20 23:16:27,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d740de633/ea5d41505813418693812ff68e66bc4b/FLAG42caaedea [2019-09-20 23:16:27,817 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:16:27,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-20 23:16:27,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d740de633/ea5d41505813418693812ff68e66bc4b/FLAG42caaedea [2019-09-20 23:16:28,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d740de633/ea5d41505813418693812ff68e66bc4b [2019-09-20 23:16:28,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:16:28,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:16:28,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:16:28,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:16:28,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:16:28,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e0429e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28, skipping insertion in model container [2019-09-20 23:16:28,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,221 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:16:28,253 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:16:28,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:16:28,485 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:16:28,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:16:28,622 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:16:28,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28 WrapperNode [2019-09-20 23:16:28,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:16:28,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:16:28,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:16:28,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:16:28,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:16:28,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:16:28,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:16:28,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:16:28,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:28" (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 23:16:28,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:16:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:16:28,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:16:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:16:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:16:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:16:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:16:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:16:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:16:29,057 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:16:29,058 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:16:29,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:16:29 BoogieIcfgContainer [2019-09-20 23:16:29,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:16:29,060 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:16:29,060 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:16:29,060 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:16:29,061 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:16:29" (1/1) ... [2019-09-20 23:16:29,062 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 23:16:29,084 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:16:29,085 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:16:29,093 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:16:29,106 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:16:29,107 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:16:29,279 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2019-09-20 23:16:29,860 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 1 [2019-09-20 23:16:30,442 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 56 [2019-09-20 23:16:30,786 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 1 [2019-09-20 23:16:31,814 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2019-09-20 23:16:32,067 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:16:35,422 WARN L191 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 123 DAG size of output: 82 [2019-09-20 23:16:35,630 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:16:36,188 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2019-09-20 23:16:36,453 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 23:16:36,981 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 102 [2019-09-20 23:16:37,239 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 23:16:37,845 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 23:16:38,463 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 23:16:39,297 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 23:16:39,863 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 23:16:43,351 WARN L191 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2019-09-20 23:16:48,803 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 23:16:55,977 WARN L191 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 185 DAG size of output: 1