/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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:12:27,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:12:27,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:12:27,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:12:27,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:12:27,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:12:27,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:12:27,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:12:27,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:12:27,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:12:27,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:12:27,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:12:27,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:12:27,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:12:27,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:12:27,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:12:27,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:12:27,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:12:27,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:12:27,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:12:27,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:12:27,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:12:27,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:12:27,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:12:27,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:12:27,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:12:27,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:12:27,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:12:27,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:12:27,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:12:27,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:12:27,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:12:27,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:12:27,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:12:27,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:12:27,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:12:27,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:12:27,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:12:27,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:12:27,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:12:27,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:12:27,939 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 10:12:27,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:12:27,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:12:27,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:12:27,968 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:12:27,968 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:12:27,968 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:12:27,968 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:12:27,969 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:12:27,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:12:27,969 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:12:27,969 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:12:27,969 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:12:27,970 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:12:27,970 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:12:27,970 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:12:27,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:12:27,971 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:12:27,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:12:27,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:12:27,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:12:27,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:12:27,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:12:27,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:12:27,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:12:27,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:12:27,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:12:27,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:12:27,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:12:27,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:12:27,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:12:27,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:12:27,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:12:27,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:12:27,974 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:12:27,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:12:27,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:12:27,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:12:27,975 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:12:28,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:12:28,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:12:28,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:12:28,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:12:28,302 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:12:28,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2019-11-24 10:12:28,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf6c6840/e05c5ac8f88243ff98b037d9af488f15/FLAG5bb33a245 [2019-11-24 10:12:28,946 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:12:28,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label05.c [2019-11-24 10:12:28,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf6c6840/e05c5ac8f88243ff98b037d9af488f15/FLAG5bb33a245 [2019-11-24 10:12:29,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aaf6c6840/e05c5ac8f88243ff98b037d9af488f15 [2019-11-24 10:12:29,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:12:29,338 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:12:29,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:12:29,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:12:29,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:12:29,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:29" (1/1) ... [2019-11-24 10:12:29,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408dfa8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:29, skipping insertion in model container [2019-11-24 10:12:29,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:29" (1/1) ... [2019-11-24 10:12:29,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:12:29,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:12:29,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:12:29,923 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:12:30,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:12:30,053 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:12:30,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30 WrapperNode [2019-11-24 10:12:30,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:12:30,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:12:30,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:12:30,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:12:30,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:12:30,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:12:30,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:12:30,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:12:30,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (1/1) ... [2019-11-24 10:12:30,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:12:30,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:12:30,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:12:30,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:12:30,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:30" (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 10:12:30,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:12:30,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:12:32,487 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:12:32,487 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:12:32,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:32 BoogieIcfgContainer [2019-11-24 10:12:32,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:12:32,489 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:12:32,489 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:12:32,490 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:12:32,491 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:32" (1/1) ... [2019-11-24 10:12:32,492 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 10:12:32,526 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:12:32,526 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:12:32,537 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:12:32,546 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:12:32,547 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:12:44,462 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-24 10:12:44,672 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-24 10:12:44,875 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-24 10:12:49,106 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2019-11-24 10:12:50,103 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:12:50,214 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:12:50,321 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-11-24 10:12:50,431 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-11-24 10:12:50,646 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:12:50,749 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:12:50,861 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:12:50,969 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:12:51,098 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:12:51,209 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:12:51,330 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:12:51,443 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:12:51,556 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:12:51,680 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:12:51,799 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:12:51,915 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:12:52,045 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:52,180 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:52,302 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:52,425 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:52,553 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:52,679 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:52,815 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:52,942 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:53,081 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:53,217 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:12:53,349 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:12:53,480 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:12:53,629 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2019-11-24 10:12:53,768 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2019-11-24 10:12:53,905 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:12:54,044 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2019-11-24 10:12:54,184 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2019-11-24 10:12:54,331 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:12:54,489 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:12:54,626 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:12:54,763 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:12:54,909 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2019-11-24 10:12:55,054 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2019-11-24 10:12:55,196 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:12:55,361 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:12:55,510 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:12:55,651 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:12:55,799 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2019-11-24 10:12:55,949 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2019-11-24 10:12:56,098 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:12:56,251 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:12:56,414 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:12:56,567 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:12:56,569 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-24 10:12:56,578 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-24 10:12:58,966 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:12:59,075 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:12:59,213 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:12:59,340 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:12:59,447 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:13:01,773 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-24 10:13:02,087 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-24 10:13:02,310 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-24 10:13:03,499 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2019-11-24 10:13:03,609 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2019-11-24 10:13:07,028 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:07,138 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:08,138 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:13:08,356 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:08,458 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:08,559 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:08,674 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:08,780 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:08,886 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:09,002 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 161 [2019-11-24 10:13:09,119 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 161 [2019-11-24 10:13:09,232 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:09,369 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:09,485 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:09,601 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:09,724 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 162 [2019-11-24 10:13:09,848 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 162 [2019-11-24 10:13:09,969 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:10,099 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:10,220 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:10,341 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:10,474 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:10,605 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:10,733 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:10,873 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:11,006 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:11,138 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:11,279 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:13:11,418 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:13:11,555 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:11,711 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:13:11,853 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:13:11,990 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:12,127 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:12,264 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:12,401 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:12,550 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:13:12,692 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:13:12,840 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:12,993 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:13:13,145 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:13:13,293 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:13:13,456 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:13:13,609 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:13:13,763 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:13:13,926 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 174 [2019-11-24 10:13:14,101 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 174 [2019-11-24 10:13:14,262 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:13:14,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-24 10:13:14,274 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-24 10:13:18,122 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-24 10:13:18,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 47 [2019-11-24 10:13:18,523 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:13:18,535 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:13:18,535 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:13:18,537 INFO L168 Benchmark]: Toolchain (without parser) took 49198.31 ms. Allocated memory was 139.5 MB in the beginning and 1.1 GB in the end (delta: 952.1 MB). Free memory was 102.4 MB in the beginning and 348.5 MB in the end (delta: -246.1 MB). Peak memory consumption was 706.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:18,537 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 10:13:18,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.41 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 102.2 MB in the beginning and 163.6 MB in the end (delta: -61.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:18,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.52 ms. Allocated memory is still 201.9 MB. Free memory was 163.6 MB in the beginning and 157.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:18,540 INFO L168 Benchmark]: Boogie Preprocessor took 62.61 ms. Allocated memory is still 201.9 MB. Free memory was 157.6 MB in the beginning and 153.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:18,541 INFO L168 Benchmark]: RCFGBuilder took 2274.36 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 153.5 MB in the beginning and 185.9 MB in the end (delta: -32.3 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:18,542 INFO L168 Benchmark]: Sifa took 46045.66 ms. Allocated memory was 248.5 MB in the beginning and 1.1 GB in the end (delta: 843.1 MB). Free memory was 184.1 MB in the beginning and 348.5 MB in the end (delta: -164.5 MB). Peak memory consumption was 678.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:18,546 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.41 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 102.2 MB in the beginning and 163.6 MB in the end (delta: -61.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 96.52 ms. Allocated memory is still 201.9 MB. Free memory was 163.6 MB in the beginning and 157.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.61 ms. Allocated memory is still 201.9 MB. Free memory was 157.6 MB in the beginning and 153.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2274.36 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 153.5 MB in the beginning and 185.9 MB in the end (delta: -32.3 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. * Sifa took 46045.66 ms. Allocated memory was 248.5 MB in the beginning and 1.1 GB in the end (delta: 843.1 MB). Free memory was 184.1 MB in the beginning and 348.5 MB in the end (delta: -164.5 MB). Peak memory consumption was 678.6 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]: 45998, 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]: 589, 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]: 450, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 38163, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6265, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 232, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 439, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 44691, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44690, 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]: 5, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 109, DAG_COMPRESSION_PROCESSED_NODES: 2188, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 550]: 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 8199#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (= ~a25~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= ULTIMATE.start_calculate_output_~input 6) (= ~a11~0 1) (<= ~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) (= ~a28~0 10) (<= 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...