/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:15:53,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:15:53,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:15:53,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:15:53,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:15:54,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:15:54,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:15:54,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:15:54,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:15:54,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:15:54,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:15:54,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:15:54,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:15:54,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:15:54,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:15:54,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:15:54,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:15:54,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:15:54,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:15:54,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:15:54,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:15:54,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:15:54,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:15:54,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:15:54,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:15:54,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:15:54,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:15:54,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:15:54,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:15:54,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:15:54,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:15:54,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:15:54,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:15:54,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:15:54,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:15:54,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:15:54,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:15:54,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:15:54,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:15:54,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:15:54,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:15:54,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:15:54,091 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:15:54,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:15:54,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:15:54,092 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:15:54,095 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:15:54,095 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:15:54,096 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:15:54,096 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:15:54,096 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:15:54,096 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:15:54,096 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:15:54,096 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:15:54,097 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:15:54,097 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:15:54,097 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:15:54,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:15:54,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:15:54,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:15:54,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:15:54,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:15:54,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:15:54,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:15:54,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:15:54,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:15:54,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:15:54,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:15:54,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:15:54,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:15:54,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:15:54,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:54,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:15:54,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:15:54,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:15:54,102 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:15:54,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:15:54,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:15:54,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:15:54,104 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:15:54,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:15:54,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:15:54,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:15:54,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:15:54,384 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:15:54,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2019-11-24 10:15:54,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504bfaac7/17bcb78203774a8296ab16abbd8a5299/FLAGd64519e27 [2019-11-24 10:15:54,949 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:15:54,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2019-11-24 10:15:54,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504bfaac7/17bcb78203774a8296ab16abbd8a5299/FLAGd64519e27 [2019-11-24 10:15:55,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/504bfaac7/17bcb78203774a8296ab16abbd8a5299 [2019-11-24 10:15:55,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:15:55,269 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:15:55,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:55,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:15:55,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:15:55,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:55,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c64ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55, skipping insertion in model container [2019-11-24 10:15:55,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:55,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:15:55,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:15:55,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:55,804 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:15:55,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:55,905 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:15:55,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55 WrapperNode [2019-11-24 10:15:55,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:55,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:55,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:15:55,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:15:55,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:55,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:55,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:55,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:15:55,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:15:55,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:15:56,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:56,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:56,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:56,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:56,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:56,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:56,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (1/1) ... [2019-11-24 10:15:56,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:15:56,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:15:56,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:15:56,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:15:56,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:55" (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 [2019-11-24 10:15:56,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:15:56,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:15:58,072 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:15:58,072 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:15:58,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:58 BoogieIcfgContainer [2019-11-24 10:15:58,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:15:58,074 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:15:58,074 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:15:58,074 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:15:58,076 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:58" (1/1) ... [2019-11-24 10:15:58,076 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:15:58,103 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:15:58,103 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:15:58,123 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:15:58,135 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:15:58,137 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:16:10,054 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-11-24 10:16:10,295 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-11-24 10:16:10,482 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-11-24 10:16:13,352 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-11-24 10:16:15,889 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:16:16,097 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:16:16,200 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:16:16,303 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:16:16,425 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:16:16,535 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:16:16,642 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:16:16,761 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:16:16,873 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:16:16,984 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:16:17,096 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:16:17,218 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:16:17,349 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:16:17,472 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:16:17,587 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:16:17,702 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:16:17,824 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:16:17,944 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:16:18,066 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:16:18,204 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 152 [2019-11-24 10:16:18,332 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 152 [2019-11-24 10:16:18,460 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:18,588 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 151 [2019-11-24 10:16:18,716 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 151 [2019-11-24 10:16:18,850 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:18,990 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:19,114 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:19,239 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:19,374 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2019-11-24 10:16:19,506 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2019-11-24 10:16:19,638 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:16:19,780 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 152 [2019-11-24 10:16:19,914 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 152 [2019-11-24 10:16:20,049 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:16:20,186 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-11-24 10:16:20,328 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-11-24 10:16:20,467 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:16:20,608 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:20,749 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:20,889 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:25,006 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 62 [2019-11-24 10:16:25,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 62 [2019-11-24 10:16:25,515 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 62 [2019-11-24 10:16:28,203 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-11-24 10:16:28,318 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-11-24 10:16:28,420 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-11-24 10:16:31,106 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2019-11-24 10:16:31,211 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2019-11-24 10:16:31,426 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:16:31,530 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:16:31,636 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:16:31,747 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2019-11-24 10:16:31,859 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2019-11-24 10:16:31,969 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:32,092 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:32,202 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:32,311 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:16:32,436 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:16:32,555 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:16:32,669 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:16:32,797 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:16:32,916 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:16:33,035 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:16:33,162 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2019-11-24 10:16:33,290 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 155 [2019-11-24 10:16:33,414 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:33,560 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:16:33,687 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:16:33,809 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:33,933 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:34,056 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:34,187 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:34,323 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2019-11-24 10:16:34,451 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2019-11-24 10:16:34,578 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:16:34,715 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 156 [2019-11-24 10:16:34,851 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 156 [2019-11-24 10:16:34,984 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:16:35,132 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:35,271 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:35,414 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:16:35,563 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 163 [2019-11-24 10:16:35,711 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 163 [2019-11-24 10:16:35,857 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:37,673 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:16:37,798 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:16:37,932 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 10:16:39,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 62 [2019-11-24 10:16:40,187 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 62 [2019-11-24 10:16:40,419 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:16:40,430 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:16:40,430 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:16:40,432 INFO L168 Benchmark]: Toolchain (without parser) took 45163.63 ms. Allocated memory was 140.0 MB in the beginning and 915.4 MB in the end (delta: 775.4 MB). Free memory was 102.8 MB in the beginning and 448.5 MB in the end (delta: -345.7 MB). Peak memory consumption was 429.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:40,433 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 10:16:40,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.72 ms. Allocated memory was 140.0 MB in the beginning and 206.6 MB in the end (delta: 66.6 MB). Free memory was 102.6 MB in the beginning and 173.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:40,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.14 ms. Allocated memory is still 206.6 MB. Free memory was 173.2 MB in the beginning and 167.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:40,435 INFO L168 Benchmark]: Boogie Preprocessor took 59.62 ms. Allocated memory is still 206.6 MB. Free memory was 167.7 MB in the beginning and 162.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:40,436 INFO L168 Benchmark]: RCFGBuilder took 2015.17 ms. Allocated memory was 206.6 MB in the beginning and 247.5 MB in the end (delta: 40.9 MB). Free memory was 162.9 MB in the beginning and 177.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 109.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:40,437 INFO L168 Benchmark]: Sifa took 42356.61 ms. Allocated memory was 247.5 MB in the beginning and 915.4 MB in the end (delta: 667.9 MB). Free memory was 177.7 MB in the beginning and 448.5 MB in the end (delta: -270.9 MB). Peak memory consumption was 397.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:40,442 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.72 ms. Allocated memory was 140.0 MB in the beginning and 206.6 MB in the end (delta: 66.6 MB). Free memory was 102.6 MB in the beginning and 173.2 MB in the end (delta: -70.5 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 92.14 ms. Allocated memory is still 206.6 MB. Free memory was 173.2 MB in the beginning and 167.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.62 ms. Allocated memory is still 206.6 MB. Free memory was 167.7 MB in the beginning and 162.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2015.17 ms. Allocated memory was 206.6 MB in the beginning and 247.5 MB in the end (delta: 40.9 MB). Free memory was 162.9 MB in the beginning and 177.7 MB in the end (delta: -14.7 MB). Peak memory consumption was 109.3 MB. Max. memory is 7.1 GB. * Sifa took 42356.61 ms. Allocated memory was 247.5 MB in the beginning and 915.4 MB in the end (delta: 667.9 MB). Free memory was 177.7 MB in the beginning and 448.5 MB in the end (delta: -270.9 MB). Peak memory consumption was 397.1 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]: 42317, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 232, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 675, TOOLS_POST_TIME[ms]: 569, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 674, TOOLS_QUANTIFIERELIM_TIME[ms]: 440, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 34514, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6211, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 229, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 480, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 40929, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 40929, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 16, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 119, DAG_COMPRESSION_PROCESSED_NODES: 2248, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 595]: 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 8058#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (not (= ~a11~0 1)) (= ~a25~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (= ~a28~0 9) (not (= ~a19~0 1)) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= ULTIMATE.start_calculate_output_~input 6) (<= ~a17~0 8) (<= ~w~0 23) (<= 7 ~a17~0) (<= 0 (+ ULTIMATE.start_main_~output~0 2)) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 |ULTIMATE.start_calculate_output_#in~input|) (<= 1 ULTIMATE.start_calculate_output_~input) (<= 1 ~a21~0) (<= ~d~0 4) (<= |ULTIMATE.start_calculate_output_#in~input| 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= 0 ~a11~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 0 ~a19~0) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= ULTIMATE.start_main_~output~0 26) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ULTIMATE.start_main_~input~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...