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 CompoundDomain --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/ldv-regression/test22-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:26:07,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:26:07,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:26:07,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:26:07,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:26:07,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:26:07,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:26:07,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:26:07,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:26:07,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:26:07,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:26:07,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:26:07,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:26:07,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:26:07,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:26:07,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:26:07,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:26:07,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:26:07,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:26:07,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:26:07,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:26:07,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:26:07,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:26:07,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:26:07,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:26:07,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:26:07,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:26:07,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:26:07,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:26:07,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:26:07,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:26:07,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:26:07,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:26:07,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:26:07,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:26:07,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:26:07,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:26:07,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:26:07,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:26:07,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:26:07,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:26:07,186 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 17:26:07,207 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:26:07,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:26:07,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:26:07,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:26:07,211 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:26:07,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:26:07,212 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:26:07,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:26:07,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:26:07,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:26:07,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:26:07,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:26:07,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:26:07,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:26:07,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:26:07,215 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:26:07,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:26:07,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:26:07,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:26:07,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:26:07,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:26:07,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:26:07,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:26:07,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:26:07,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:26:07,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:26:07,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:26:07,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:26:07,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 17:26:07,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:26:07,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:26:07,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:26:07,281 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:26:07,281 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:26:07,282 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-20 17:26:07,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3b7ece5/7afbb32ee4c64d73b1e040f7dac25b29/FLAG49194fbf8 [2019-09-20 17:26:07,759 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:26:07,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-20 17:26:07,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3b7ece5/7afbb32ee4c64d73b1e040f7dac25b29/FLAG49194fbf8 [2019-09-20 17:26:08,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b3b7ece5/7afbb32ee4c64d73b1e040f7dac25b29 [2019-09-20 17:26:08,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:26:08,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:26:08,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:26:08,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:26:08,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:26:08,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b27c755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08, skipping insertion in model container [2019-09-20 17:26:08,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,210 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:26:08,229 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:26:08,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:26:08,475 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:26:08,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:26:08,622 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:26:08,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08 WrapperNode [2019-09-20 17:26:08,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:26:08,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:26:08,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:26:08,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:26:08,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08" (1/1) ... [2019-09-20 17:26:08,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:26:08,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:26:08,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:26:08,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:26:08,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:26:08" (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 17:26:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:26:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:26:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 17:26:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 17:26:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 17:26:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:26:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:26:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:26:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 17:26:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 17:26:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:26:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 17:26:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 17:26:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:26:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:26:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:26:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:26:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 17:26:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:26:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:26:09,190 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:26:09,190 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:26:09,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:26:09 BoogieIcfgContainer [2019-09-20 17:26:09,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:26:09,192 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:26:09,192 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:26:09,193 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:26:09,194 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:26:09" (1/1) ... [2019-09-20 17:26:09,194 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 17:26:09,220 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:26:09,220 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:26:09,228 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:26:09,236 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:26:09,238 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:26:09,490 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 17:26:09,719 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 17:26:10,108 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-09-20 17:26:10,116 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 49 for LOIs [2019-09-20 17:26:10,388 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-20 17:26:10,536 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-20 17:26:11,364 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 105 [2019-09-20 17:26:11,523 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:26:11,946 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 105 [2019-09-20 17:26:12,768 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 110 [2019-09-20 17:26:13,160 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:26:14,006 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 112 [2019-09-20 17:26:14,837 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2019-09-20 17:26:15,203 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:26:16,027 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 111 [2019-09-20 17:26:17,055 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-09-20 17:26:17,583 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:26:18,661 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 128 DAG size of output: 117 [2019-09-20 17:26:19,661 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2019-09-20 17:26:20,157 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:26:21,180 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 116 [2019-09-20 17:26:22,710 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2019-09-20 17:26:23,312 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2019-09-20 17:26:23,508 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:26:23,827 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-20 17:26:23,952 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:26:23,952 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:26:23,955 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 102#(and (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= main_~pa~0.offset 0) (<= |#NULL.base| 0) (<= main_~pd3~0.offset 0) (not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 main_~pd3~0.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pa~0.offset) (<= 0 main_~pd1~0.offset) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset)) [2019-09-20 17:26:23,966 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:26:23,966 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:26:23,968 INFO L168 Benchmark]: Toolchain (without parser) took 15774.22 ms. Allocated memory was 132.1 MB in the beginning and 391.1 MB in the end (delta: 259.0 MB). Free memory was 87.5 MB in the beginning and 312.6 MB in the end (delta: -225.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:23,969 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:26:23,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.33 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 87.3 MB in the beginning and 177.5 MB in the end (delta: -90.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:23,971 INFO L168 Benchmark]: Boogie Preprocessor took 44.50 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 175.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:23,971 INFO L168 Benchmark]: RCFGBuilder took 523.13 ms. Allocated memory is still 200.3 MB. Free memory was 175.2 MB in the beginning and 151.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:23,972 INFO L168 Benchmark]: Sifa took 14774.29 ms. Allocated memory was 200.3 MB in the beginning and 391.1 MB in the end (delta: 190.8 MB). Free memory was 151.3 MB in the beginning and 312.6 MB in the end (delta: -161.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:23,976 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 428.33 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 87.3 MB in the beginning and 177.5 MB in the end (delta: -90.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.50 ms. Allocated memory is still 200.3 MB. Free memory was 177.5 MB in the beginning and 175.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 523.13 ms. Allocated memory is still 200.3 MB. Free memory was 175.2 MB in the beginning and 151.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Sifa took 14774.29 ms. Allocated memory was 200.3 MB in the beginning and 391.1 MB in the end (delta: 190.8 MB). Free memory was 151.3 MB in the beginning and 312.6 MB in the end (delta: -161.3 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 14735, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 34, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 871, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 303, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 15, TOOLS_QUANTIFIERELIM_APPLICATIONS: 41, TOOLS_QUANTIFIERELIM_TIME[ms]: 1156, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 422, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 38, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 7128, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 6305, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11984, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11984, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1436, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1435, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 112, DAG_COMPRESSION_RETAINED_NODES: 48 - UnprovableResult [Line: 48]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 102#(and (<= main_~pd2~0.offset 0) (<= 0 |~#d1~0.offset|) (<= main_~pa~0.offset 0) (<= |#NULL.base| 0) (<= main_~pd3~0.offset 0) (not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) (<= 0 |~#d2~0.offset|) (<= 0 |#NULL.base|) (<= |~#d2~0.offset| 0) (<= 0 main_~pd3~0.offset) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 main_~pa~0.offset) (<= 0 main_~pd1~0.offset) (<= |~#d1~0.offset| 0) (<= main_~pd1~0.offset 0) (<= 0 main_~pd2~0.offset)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...