/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_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:17:03,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:17:03,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:17:03,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:17:03,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:17:03,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:17:03,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:17:03,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:17:03,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:17:03,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:17:03,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:17:03,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:17:03,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:17:03,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:17:03,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:17:03,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:17:03,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:17:03,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:17:03,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:17:03,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:17:03,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:17:03,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:17:03,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:17:03,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:17:03,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:17:03,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:17:03,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:17:03,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:17:03,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:17:03,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:17:03,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:17:03,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:17:03,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:17:03,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:17:03,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:17:03,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:17:03,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:17:03,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:17:03,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:17:03,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:17:03,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:17:03,614 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 10:17:03,628 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:17:03,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:17:03,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:17:03,630 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:17:03,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:17:03,630 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:17:03,630 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:17:03,630 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:17:03,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:17:03,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:17:03,631 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:17:03,631 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:17:03,631 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:17:03,632 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:17:03,632 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:17:03,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:17:03,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:17:03,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:17:03,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:17:03,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:17:03,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:17:03,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:17:03,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:17:03,634 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:17:03,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:17:03,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:17:03,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:17:03,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:17:03,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:17:03,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:17:03,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:17:03,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:17:03,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:17:03,636 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:17:03,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:17:03,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:17:03,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:17:03,637 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:17:03,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:17:03,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:17:03,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:17:03,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:17:03,927 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:17:03,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label45.c [2019-11-24 10:17:03,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0319d1d69/64813fc6595f4165a696d07ffc4ce287/FLAGaa4a0036f [2019-11-24 10:17:04,559 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:17:04,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label45.c [2019-11-24 10:17:04,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0319d1d69/64813fc6595f4165a696d07ffc4ce287/FLAGaa4a0036f [2019-11-24 10:17:04,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0319d1d69/64813fc6595f4165a696d07ffc4ce287 [2019-11-24 10:17:04,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:17:04,835 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:17:04,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:04,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:17:04,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:17:04,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:04" (1/1) ... [2019-11-24 10:17:04,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682dd186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:04, skipping insertion in model container [2019-11-24 10:17:04,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:04" (1/1) ... [2019-11-24 10:17:04,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:17:04,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:17:05,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:05,328 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:17:05,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:05,545 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:17:05,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05 WrapperNode [2019-11-24 10:17:05,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:05,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:05,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:17:05,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:17:05,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:05,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:17:05,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:17:05,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:17:05,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (1/1) ... [2019-11-24 10:17:05,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:17:05,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:17:05,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:17:05,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:17:05,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:05" (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 10:17:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:17:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:17:07,872 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:17:07,873 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:17:07,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:07 BoogieIcfgContainer [2019-11-24 10:17:07,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:17:07,875 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:17:07,875 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:17:07,876 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:17:07,877 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:07" (1/1) ... [2019-11-24 10:17:07,878 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 10:17:07,905 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:17:07,905 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:17:07,914 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:17:07,922 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:17:07,924 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:17:12,036 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:17:23,001 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:17:25,857 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:17:26,069 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:17:26,180 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:17:26,282 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:17:26,385 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:17:26,498 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:17:26,611 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:17:26,728 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:17:26,861 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:26,978 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:27,094 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:27,218 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:27,335 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:27,453 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:27,585 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:27,707 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:27,830 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:27,954 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:28,087 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:28,210 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:28,347 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:28,475 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:28,604 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:28,739 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:28,872 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:29,004 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:29,154 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:17:29,293 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:17:29,429 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:29,572 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:17:29,711 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:17:29,847 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:29,991 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:30,138 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:30,276 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:30,421 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 10:17:30,565 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 10:17:30,707 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:30,861 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-24 10:17:31,008 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-24 10:17:31,152 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:31,300 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:17:31,449 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:17:31,597 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:31,755 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:31,907 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:32,059 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:32,061 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:17:32,065 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:17:39,826 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:17:40,016 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:17:41,481 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:17:41,980 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2019-11-24 10:17:42,243 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2019-11-24 10:17:42,428 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2019-11-24 10:17:42,585 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-11-24 10:17:42,705 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:42,809 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:42,917 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:17:43,070 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2019-11-24 10:17:43,182 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 164 [2019-11-24 10:17:43,293 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:17:43,415 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:43,528 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:43,641 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:17:43,760 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-24 10:17:43,886 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2019-11-24 10:17:44,006 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:44,132 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:44,250 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:44,368 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:17:44,492 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:44,615 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:44,737 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:17:44,872 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:45,003 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:45,131 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:17:45,265 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:17:45,398 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:17:45,531 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:45,680 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-24 10:17:45,816 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-24 10:17:45,948 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:46,088 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:46,220 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:46,352 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:17:46,497 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 169 [2019-11-24 10:17:46,635 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 169 [2019-11-24 10:17:46,772 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:17:46,919 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-24 10:17:47,067 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-24 10:17:47,216 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:17:47,371 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:17:47,519 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:17:47,667 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:17:47,827 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 177 [2019-11-24 10:17:47,985 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 177 [2019-11-24 10:17:48,139 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:17:48,141 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:17:48,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:17:52,326 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:17:52,340 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:17:52,346 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:17:52,352 INFO L168 Benchmark]: Toolchain (without parser) took 47512.85 ms. Allocated memory was 137.4 MB in the beginning and 1.1 GB in the end (delta: 924.8 MB). Free memory was 101.1 MB in the beginning and 704.1 MB in the end (delta: -603.0 MB). Peak memory consumption was 321.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:52,355 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 10:17:52,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.78 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 100.9 MB in the beginning and 171.4 MB in the end (delta: -70.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:52,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.50 ms. Allocated memory is still 203.9 MB. Free memory was 171.4 MB in the beginning and 165.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:52,357 INFO L168 Benchmark]: Boogie Preprocessor took 74.12 ms. Allocated memory is still 203.9 MB. Free memory was 165.6 MB in the beginning and 161.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:52,358 INFO L168 Benchmark]: RCFGBuilder took 2158.11 ms. Allocated memory was 203.9 MB in the beginning and 252.7 MB in the end (delta: 48.8 MB). Free memory was 161.3 MB in the beginning and 196.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:52,360 INFO L168 Benchmark]: Sifa took 44470.91 ms. Allocated memory was 252.7 MB in the beginning and 1.1 GB in the end (delta: 809.5 MB). Free memory was 196.0 MB in the beginning and 704.1 MB in the end (delta: -508.2 MB). Peak memory consumption was 301.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:17:52,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.78 ms. Allocated memory was 137.4 MB in the beginning and 203.9 MB in the end (delta: 66.6 MB). Free memory was 100.9 MB in the beginning and 171.4 MB in the end (delta: -70.5 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 92.50 ms. Allocated memory is still 203.9 MB. Free memory was 171.4 MB in the beginning and 165.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.12 ms. Allocated memory is still 203.9 MB. Free memory was 165.6 MB in the beginning and 161.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2158.11 ms. Allocated memory was 203.9 MB in the beginning and 252.7 MB in the end (delta: 48.8 MB). Free memory was 161.3 MB in the beginning and 196.0 MB in the end (delta: -34.6 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * Sifa took 44470.91 ms. Allocated memory was 252.7 MB in the beginning and 1.1 GB in the end (delta: 809.5 MB). Free memory was 196.0 MB in the beginning and 704.1 MB in the end (delta: -508.2 MB). Peak memory consumption was 301.3 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]: 44422, 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]: 598, 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]: 467, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 38255, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 4493, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 299, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 480, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43486, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43486, 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]: 10, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 116, DAG_COMPRESSION_PROCESSED_NODES: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 418]: 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 8145#(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) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (= ~a17~0 8) (<= 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...