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/nla-digbench/cohendiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:16:39,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:16:39,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:16:39,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:16:39,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:16:39,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:16:39,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:16:39,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:16:39,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:16:39,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:16:39,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:16:39,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:16:39,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:16:39,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:16:39,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:16:39,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:16:39,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:16:39,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:16:39,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:16:39,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:16:39,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:16:39,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:16:39,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:16:39,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:16:39,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:16:39,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:16:39,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:16:39,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:16:39,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:16:39,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:16:39,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:16:39,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:16:39,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:16:39,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:16:39,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:16:39,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:16:39,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:16:39,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:16:39,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:16:39,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:16:39,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:16:39,122 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 23:16:39,144 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:16:39,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:16:39,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:16:39,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:16:39,147 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:16:39,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:16:39,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:16:39,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:16:39,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:16:39,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:16:39,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:16:39,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:16:39,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:16:39,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:16:39,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:16:39,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:16:39,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:16:39,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:16:39,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:16:39,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:16:39,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:16:39,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:16:39,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:16:39,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:16:39,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:16:39,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:16:39,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:16:39,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:16:39,154 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 23:16:39,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:16:39,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:16:39,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:16:39,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:16:39,211 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:16:39,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-20 23:16:39,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142259f5d/1583e766247b4caab6840d16f0dac8ef/FLAG7a57dd5d9 [2019-09-20 23:16:39,682 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:16:39,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohendiv.c [2019-09-20 23:16:39,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142259f5d/1583e766247b4caab6840d16f0dac8ef/FLAG7a57dd5d9 [2019-09-20 23:16:40,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142259f5d/1583e766247b4caab6840d16f0dac8ef [2019-09-20 23:16:40,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:16:40,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:16:40,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:16:40,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:16:40,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:16:40,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186a9449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40, skipping insertion in model container [2019-09-20 23:16:40,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,115 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:16:40,133 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:16:40,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:16:40,294 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:16:40,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:16:40,328 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:16:40,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40 WrapperNode [2019-09-20 23:16:40,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:16:40,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:16:40,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:16:40,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:16:40,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:16:40,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:16:40,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:16:40,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:16:40,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:40" (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 23:16:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:16:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:16:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 23:16:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:16:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:16:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:16:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 23:16:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:16:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:16:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:16:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:16:40,758 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:16:40,758 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 23:16:40,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:16:40 BoogieIcfgContainer [2019-09-20 23:16:40,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:16:40,761 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:16:40,761 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:16:40,761 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:16:40,762 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:16:40" (1/1) ... [2019-09-20 23:16:40,763 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 23:16:40,794 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:16:40,795 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:16:40,802 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:16:40,825 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:16:40,827 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:16:40,876 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 23:16:41,380 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2019-09-20 23:16:41,658 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2019-09-20 23:16:41,857 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-20 23:16:43,038 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-20 23:16:43,579 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-20 23:16:47,776 WARN L191 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2019-09-20 23:16:49,796 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 25 [2019-09-20 23:16:51,138 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2019-09-20 23:16:52,804 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 23:16:54,210 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-20 23:17:05,254 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2019-09-20 23:17:05,962 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 23:17:18,486 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 23:17:19,261 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2019-09-20 23:17:19,434 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 138