/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:12:23,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:12:23,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:12:23,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:12:23,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:12:23,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:12:23,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:12:23,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:12:23,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:12:23,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:12:23,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:12:23,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:12:23,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:12:23,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:12:23,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:12:23,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:12:23,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:12:23,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:12:23,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:12:23,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:12:23,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:12:23,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:12:23,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:12:23,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:12:23,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:12:23,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:12:23,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:12:23,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:12:23,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:12:23,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:12:23,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:12:23,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:12:23,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:12:23,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:12:23,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:12:23,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:12:23,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:12:23,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:12:23,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:12:23,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:12:23,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:12:23,676 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 10:12:23,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:12:23,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:12:23,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:12:23,702 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:12:23,702 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:12:23,702 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:12:23,702 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:12:23,703 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:12:23,703 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:12:23,703 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:12:23,704 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:12:23,704 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:12:23,705 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:12:23,705 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:12:23,705 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:12:23,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:12:23,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:12:23,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:12:23,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:12:23,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:12:23,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:12:23,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:12:23,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:12:23,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:12:23,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:12:23,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:12:23,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:12:23,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:12:23,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:12:23,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:12:23,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:12:23,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:12:23,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:12:23,711 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:12:23,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:12:23,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:12:23,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:12:23,712 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:12:23,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:12:23,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:12:23,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:12:23,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:12:23,990 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:12:23,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2019-11-24 10:12:24,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccab36c61/08533b6473da415e921dba31befb3437/FLAGf61acda08 [2019-11-24 10:12:24,622 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:12:24,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2019-11-24 10:12:24,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccab36c61/08533b6473da415e921dba31befb3437/FLAGf61acda08 [2019-11-24 10:12:24,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccab36c61/08533b6473da415e921dba31befb3437 [2019-11-24 10:12:24,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:12:24,903 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:12:24,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:12:24,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:12:24,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:12:24,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:24" (1/1) ... [2019-11-24 10:12:24,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ff2346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:24, skipping insertion in model container [2019-11-24 10:12:24,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:24" (1/1) ... [2019-11-24 10:12:24,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:12:24,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:12:25,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:12:25,569 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:12:25,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:12:25,713 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:12:25,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25 WrapperNode [2019-11-24 10:12:25,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:12:25,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:12:25,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:12:25,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:12:25,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:12:25,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:12:25,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:12:25,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:12:25,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (1/1) ... [2019-11-24 10:12:25,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:12:25,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:12:25,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:12:25,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:12:25,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:25" (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 10:12:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:12:25,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:12:28,102 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:12:28,102 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:12:28,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:28 BoogieIcfgContainer [2019-11-24 10:12:28,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:12:28,104 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:12:28,105 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:12:28,105 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:12:28,106 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:28" (1/1) ... [2019-11-24 10:12:28,107 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 10:12:28,136 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:12:28,136 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:12:28,147 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:12:28,158 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:12:28,159 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:12:39,485 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 139 [2019-11-24 10:12:40,389 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-24 10:12:40,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-24 10:12:40,840 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-24 10:12:45,745 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:12:46,461 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:12:46,571 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:12:46,796 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:12:46,901 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:12:47,006 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:12:47,128 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:12:47,239 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:12:47,350 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:12:47,477 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:12:47,594 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:12:47,718 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:12:47,850 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:47,971 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:48,097 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:12:48,230 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:48,355 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:48,487 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:48,620 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:48,747 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:48,879 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:12:49,023 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:12:49,164 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:12:49,294 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:12:49,431 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:12:49,566 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:12:49,701 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:12:49,870 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:12:50,011 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:12:50,158 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:12:50,300 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:12:50,443 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:12:50,584 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:12:50,742 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:12:50,881 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:12:51,022 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:12:51,170 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:12:51,320 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:12:51,466 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:12:51,622 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:12:51,774 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:12:51,929 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:12:52,092 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2019-11-24 10:12:52,245 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2019-11-24 10:12:52,396 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:12:52,552 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:12:52,707 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:12:52,862 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:12:52,864 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:12:52,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:12:56,915 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-11-24 10:12:57,113 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-11-24 10:12:57,290 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-11-24 10:13:02,027 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:02,326 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:02,428 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:02,640 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:13:02,742 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:13:02,950 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:03,053 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:03,156 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:03,270 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:03,377 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:03,487 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:03,608 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2019-11-24 10:13:03,725 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2019-11-24 10:13:03,841 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:03,966 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:04,083 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:04,200 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:04,323 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:13:04,449 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:13:04,571 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:04,703 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:04,826 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:04,948 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:05,077 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:05,205 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:05,333 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:05,476 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:05,609 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:05,743 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:05,892 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:13:06,030 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:13:06,169 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:06,317 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:13:06,458 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:13:06,596 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:06,732 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:06,870 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:07,006 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:07,158 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:13:07,305 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:13:07,447 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:13:07,599 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:13:07,752 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:13:07,901 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:13:08,063 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:13:08,216 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:13:08,377 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:13:08,541 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2019-11-24 10:13:08,706 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2019-11-24 10:13:08,867 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:13:08,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:13:08,878 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:13:10,755 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 10:13:10,897 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 10:13:11,027 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 10:13:12,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-11-24 10:13:13,086 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-11-24 10:13:13,264 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:13:13,278 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:13:13,279 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:13:13,285 INFO L168 Benchmark]: Toolchain (without parser) took 48377.51 ms. Allocated memory was 141.6 MB in the beginning and 1.1 GB in the end (delta: 974.7 MB). Free memory was 100.8 MB in the beginning and 135.9 MB in the end (delta: -35.1 MB). Peak memory consumption was 939.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:13,286 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 10:13:13,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.40 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 171.3 MB in the end (delta: -70.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:13,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.21 ms. Allocated memory is still 205.0 MB. Free memory was 170.6 MB in the beginning and 165.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:13,288 INFO L168 Benchmark]: Boogie Preprocessor took 61.67 ms. Allocated memory is still 205.0 MB. Free memory was 165.2 MB in the beginning and 161.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:13,289 INFO L168 Benchmark]: RCFGBuilder took 2238.17 ms. Allocated memory was 205.0 MB in the beginning and 249.6 MB in the end (delta: 44.6 MB). Free memory was 161.1 MB in the beginning and 190.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:13,290 INFO L168 Benchmark]: Sifa took 45174.71 ms. Allocated memory was 249.6 MB in the beginning and 1.1 GB in the end (delta: 866.6 MB). Free memory was 190.6 MB in the beginning and 135.9 MB in the end (delta: 54.7 MB). Peak memory consumption was 921.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:13,294 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 809.40 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 100.6 MB in the beginning and 171.3 MB in the end (delta: -70.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 89.21 ms. Allocated memory is still 205.0 MB. Free memory was 170.6 MB in the beginning and 165.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.67 ms. Allocated memory is still 205.0 MB. Free memory was 165.2 MB in the beginning and 161.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2238.17 ms. Allocated memory was 205.0 MB in the beginning and 249.6 MB in the end (delta: 44.6 MB). Free memory was 161.1 MB in the beginning and 190.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. * Sifa took 45174.71 ms. Allocated memory was 249.6 MB in the beginning and 1.1 GB in the end (delta: 866.6 MB). Free memory was 190.6 MB in the beginning and 135.9 MB in the end (delta: 54.7 MB). Peak memory consumption was 921.3 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]: 45129, 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]: 666, 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]: 528, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 37581, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 5856, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 266, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 414, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43884, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43881, 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]: 6, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 136, DAG_COMPRESSION_PROCESSED_NODES: 2193, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 559]: 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 8219#(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 9) (<= ~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) (<= 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...