/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_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:12:58,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:12:58,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:12:58,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:12:58,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:12:58,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:12:58,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:12:58,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:12:58,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:12:58,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:12:58,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:12:58,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:12:58,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:12:58,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:12:58,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:12:58,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:12:58,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:12:58,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:12:58,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:12:58,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:12:58,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:12:58,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:12:58,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:12:58,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:12:58,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:12:58,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:12:58,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:12:58,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:12:58,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:12:58,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:12:58,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:12:58,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:12:58,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:12:58,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:12:58,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:12:58,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:12:58,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:12:58,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:12:58,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:12:58,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:12:58,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:12:58,817 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 10:12:58,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:12:58,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:12:58,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:12:58,845 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:12:58,845 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:12:58,845 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:12:58,846 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:12:58,846 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:12:58,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:12:58,846 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:12:58,846 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:12:58,846 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:12:58,847 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:12:58,847 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:12:58,847 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:12:58,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:12:58,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:12:58,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:12:58,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:12:58,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:12:58,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:12:58,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:12:58,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:12:58,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:12:58,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:12:58,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:12:58,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:12:58,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:12:58,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:12:58,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:12:58,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:12:58,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:12:58,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:12:58,853 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:12:58,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:12:58,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:12:58,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:12:58,854 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:12:59,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:12:59,150 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:12:59,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:12:59,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:12:59,156 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:12:59,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2019-11-24 10:12:59,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba9807f5/48f811895fac4da0a59df2027dff055f/FLAG4bb25c4ab [2019-11-24 10:12:59,752 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:12:59,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2019-11-24 10:12:59,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba9807f5/48f811895fac4da0a59df2027dff055f/FLAG4bb25c4ab [2019-11-24 10:13:00,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba9807f5/48f811895fac4da0a59df2027dff055f [2019-11-24 10:13:00,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:13:00,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:13:00,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:13:00,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:13:00,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:13:00,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2509d79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00, skipping insertion in model container [2019-11-24 10:13:00,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:13:00,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:13:00,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:13:00,526 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:13:00,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:13:00,765 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:13:00,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00 WrapperNode [2019-11-24 10:13:00,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:13:00,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:13:00,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:13:00,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:13:00,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:13:00,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:13:00,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:13:00,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:13:00,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (1/1) ... [2019-11-24 10:13:00,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:13:00,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:13:00,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:13:00,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:13:00,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:00" (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 10:13:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:13:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:13:02,939 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:13:02,940 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:13:02,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:02 BoogieIcfgContainer [2019-11-24 10:13:02,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:13:02,942 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:13:02,942 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:13:02,943 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:13:02,944 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:02" (1/1) ... [2019-11-24 10:13:02,944 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 10:13:02,973 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:13:02,974 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:13:02,985 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:13:02,995 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:13:02,996 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:13:12,906 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2019-11-24 10:13:14,742 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 139 [2019-11-24 10:13:15,672 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-11-24 10:13:15,861 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-11-24 10:13:16,049 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-11-24 10:13:19,243 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2019-11-24 10:13:20,764 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2019-11-24 10:13:20,875 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2019-11-24 10:13:21,084 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-24 10:13:21,186 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-24 10:13:21,302 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-24 10:13:21,410 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 144 [2019-11-24 10:13:21,513 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 144 [2019-11-24 10:13:21,725 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:13:21,849 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:13:21,951 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:13:22,061 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:22,171 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:22,283 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:22,415 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:22,533 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:22,649 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:22,781 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:22,901 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:23,020 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:23,154 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:23,278 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:23,415 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:23,540 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:23,663 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:23,788 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:23,927 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:24,058 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:24,187 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:24,322 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:24,461 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:24,595 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:24,766 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2019-11-24 10:13:24,908 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2019-11-24 10:13:25,046 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:25,187 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:13:25,328 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:13:25,466 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:25,632 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:25,773 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:25,910 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:26,062 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 156 [2019-11-24 10:13:26,213 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 156 [2019-11-24 10:13:26,356 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:26,511 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:13:26,660 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:13:26,806 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:26,955 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 157 [2019-11-24 10:13:27,106 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 157 [2019-11-24 10:13:27,255 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:27,410 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:27,564 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:27,718 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:29,664 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:13:29,780 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:13:29,913 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:13:32,545 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-24 10:13:32,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-24 10:13:32,960 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-24 10:13:37,885 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:13:38,590 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:38,903 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:39,012 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:39,118 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:39,233 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2019-11-24 10:13:39,349 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2019-11-24 10:13:39,462 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:39,590 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:39,706 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:39,821 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:39,944 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-11-24 10:13:40,068 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-11-24 10:13:40,196 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:40,328 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:40,450 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:40,572 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:40,701 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:40,829 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:40,957 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:41,098 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:41,232 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:41,369 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:41,511 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 157 [2019-11-24 10:13:41,648 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 157 [2019-11-24 10:13:41,784 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:41,933 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:13:42,073 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:13:42,210 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:42,346 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:42,481 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:42,624 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:42,775 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 157 [2019-11-24 10:13:42,927 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 157 [2019-11-24 10:13:43,068 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:43,218 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2019-11-24 10:13:43,369 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2019-11-24 10:13:43,518 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:43,679 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:43,837 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:43,989 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:44,152 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 165 [2019-11-24 10:13:44,315 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 165 [2019-11-24 10:13:44,475 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:46,284 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:13:46,408 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:13:46,550 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:13:46,690 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:13:46,794 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:13:49,043 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-24 10:13:49,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-24 10:13:49,338 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:13:49,350 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:13:49,350 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:13:49,351 INFO L168 Benchmark]: Toolchain (without parser) took 49294.09 ms. Allocated memory was 146.3 MB in the beginning and 1.0 GB in the end (delta: 902.8 MB). Free memory was 102.0 MB in the beginning and 784.9 MB in the end (delta: -682.9 MB). Peak memory consumption was 220.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:49,352 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 10:13:49,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.05 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 101.6 MB in the beginning and 172.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:49,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.24 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 166.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:49,354 INFO L168 Benchmark]: Boogie Preprocessor took 68.32 ms. Allocated memory is still 206.0 MB. Free memory was 166.6 MB in the beginning and 162.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:49,355 INFO L168 Benchmark]: RCFGBuilder took 2006.78 ms. Allocated memory was 206.0 MB in the beginning and 249.6 MB in the end (delta: 43.5 MB). Free memory was 161.6 MB in the beginning and 188.4 MB in the end (delta: -26.8 MB). Peak memory consumption was 112.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:49,356 INFO L168 Benchmark]: Sifa took 46407.75 ms. Allocated memory was 249.6 MB in the beginning and 1.0 GB in the end (delta: 799.5 MB). Free memory was 188.4 MB in the beginning and 784.9 MB in the end (delta: -596.5 MB). Peak memory consumption was 203.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:49,360 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.3 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.05 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 101.6 MB in the beginning and 172.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 99.24 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 166.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.32 ms. Allocated memory is still 206.0 MB. Free memory was 166.6 MB in the beginning and 162.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2006.78 ms. Allocated memory was 206.0 MB in the beginning and 249.6 MB in the end (delta: 43.5 MB). Free memory was 161.6 MB in the beginning and 188.4 MB in the end (delta: -26.8 MB). Peak memory consumption was 112.9 MB. Max. memory is 7.1 GB. * Sifa took 46407.75 ms. Allocated memory was 249.6 MB in the beginning and 1.0 GB in the end (delta: 799.5 MB). Free memory was 188.4 MB in the beginning and 784.9 MB in the end (delta: -596.5 MB). Peak memory consumption was 203.0 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]: 46365, 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]: 560, 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]: 425, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 38597, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6206, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 257, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 457, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 45108, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45107, 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]: 9, DAG_COMPRESSION_TIME[ms]: 107, DAG_COMPRESSION_PROCESSED_NODES: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 589]: 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 8086#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a25~0 1) (= ~a21~0 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|) (= ~a28~0 11) (<= 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...