/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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:15:08,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:15:08,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:15:08,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:15:08,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:15:08,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:15:08,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:15:08,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:15:08,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:15:08,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:15:08,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:15:08,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:15:08,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:15:08,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:15:08,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:15:08,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:15:08,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:15:08,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:15:08,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:15:08,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:15:08,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:15:08,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:15:08,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:15:08,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:15:08,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:15:08,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:15:08,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:15:08,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:15:08,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:15:08,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:15:08,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:15:08,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:15:08,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:15:08,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:15:08,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:15:08,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:15:08,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:15:08,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:15:08,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:15:08,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:15:08,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:15:08,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:15:08,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:15:08,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:15:08,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:15:08,617 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:15:08,617 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:15:08,617 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:15:08,618 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:15:08,618 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:15:08,618 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:15:08,618 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:15:08,618 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:15:08,618 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:15:08,619 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:15:08,619 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:15:08,619 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:15:08,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:15:08,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:15:08,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:15:08,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:15:08,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:15:08,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:15:08,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:15:08,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:15:08,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:15:08,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:15:08,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:15:08,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:15:08,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:15:08,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:15:08,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:08,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:15:08,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:15:08,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:15:08,623 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:15:08,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:15:08,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:15:08,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:15:08,624 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:15:08,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:15:08,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:15:08,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:15:08,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:15:08,923 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:15:08,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label28.c [2019-11-24 10:15:08,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecd54f967/005bf6203a8d496ab2e17c17453d4efc/FLAGc888b83de [2019-11-24 10:15:09,510 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:15:09,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label28.c [2019-11-24 10:15:09,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecd54f967/005bf6203a8d496ab2e17c17453d4efc/FLAGc888b83de [2019-11-24 10:15:09,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecd54f967/005bf6203a8d496ab2e17c17453d4efc [2019-11-24 10:15:09,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:15:09,795 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:15:09,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:09,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:15:09,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:15:09,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:09" (1/1) ... [2019-11-24 10:15:09,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86b5b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:09, skipping insertion in model container [2019-11-24 10:15:09,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:09" (1/1) ... [2019-11-24 10:15:09,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:15:09,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:15:10,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:10,343 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:15:10,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:10,480 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:15:10,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10 WrapperNode [2019-11-24 10:15:10,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:10,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:10,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:15:10,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:15:10,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:10,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:15:10,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:15:10,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:15:10,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... [2019-11-24 10:15:10,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:15:10,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:15:10,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:15:10,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:15:10,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:10,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:15:10,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:15:12,901 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:15:12,901 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:15:12,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:12 BoogieIcfgContainer [2019-11-24 10:15:12,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:15:12,903 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:15:12,903 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:15:12,904 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:15:12,905 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:12" (1/1) ... [2019-11-24 10:15:12,906 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:15:12,944 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:15:12,944 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:15:12,955 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:15:12,966 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:15:12,967 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:15:16,276 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-11-24 10:15:17,379 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:15:25,913 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 44 [2019-11-24 10:15:26,079 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 44 [2019-11-24 10:15:26,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 44 [2019-11-24 10:15:28,676 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:15:31,256 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 155 [2019-11-24 10:15:31,363 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 155 [2019-11-24 10:15:31,469 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:31,579 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:31,681 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:31,782 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:31,891 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:15:31,999 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:15:32,114 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:15:32,367 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:32,650 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:32,907 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:33,039 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:33,151 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:33,264 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:33,389 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:33,507 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:33,628 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:33,759 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:33,891 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:34,020 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:34,156 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:34,284 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:34,412 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:34,541 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:34,680 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:34,808 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:34,951 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:35,083 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:35,216 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:35,355 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:35,493 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:35,630 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:35,787 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:15:35,932 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:15:36,076 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:36,225 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:15:36,371 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:15:36,516 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:36,675 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:36,832 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:36,975 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:37,127 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:15:37,279 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:15:37,427 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:37,584 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:15:37,747 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:15:37,896 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:38,051 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2019-11-24 10:15:38,207 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2019-11-24 10:15:38,363 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:38,523 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:38,689 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:38,847 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:38,848 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:15:38,857 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:15:43,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-11-24 10:15:43,735 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-11-24 10:15:43,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-11-24 10:15:48,718 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:48,927 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:49,030 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:15:49,359 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:15:49,463 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:15:49,677 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:49,787 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:49,892 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:50,013 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:50,131 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:50,242 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:50,363 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2019-11-24 10:15:50,486 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2019-11-24 10:15:50,604 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:50,737 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:50,857 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:50,978 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:51,106 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:15:51,236 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:15:51,372 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:51,540 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:51,667 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:51,794 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:51,928 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:52,061 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:52,193 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:52,344 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:52,481 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:52,622 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:52,766 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:15:52,910 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:15:53,053 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:53,207 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:15:53,353 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:15:53,500 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:53,642 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:53,791 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:53,933 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:54,087 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 10:15:54,235 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 10:15:54,382 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:54,547 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:15:54,704 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:15:54,857 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:55,028 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:55,187 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:55,345 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:55,517 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 176 [2019-11-24 10:15:55,688 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 176 [2019-11-24 10:15:55,856 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:55,858 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:15:55,867 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:15:59,704 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-11-24 10:15:59,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-11-24 10:16:00,053 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:16:00,064 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:16:00,064 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:16:00,065 INFO L168 Benchmark]: Toolchain (without parser) took 50270.48 ms. Allocated memory was 138.4 MB in the beginning and 1.1 GB in the end (delta: 977.3 MB). Free memory was 101.3 MB in the beginning and 890.0 MB in the end (delta: -788.7 MB). Peak memory consumption was 188.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:00,066 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 10:16:00,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.21 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 166.5 MB in the end (delta: -65.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:00,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.10 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 161.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:00,068 INFO L168 Benchmark]: Boogie Preprocessor took 63.23 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 156.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:00,069 INFO L168 Benchmark]: RCFGBuilder took 2270.57 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 156.3 MB in the beginning and 189.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 111.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:00,070 INFO L168 Benchmark]: Sifa took 47160.70 ms. Allocated memory was 249.0 MB in the beginning and 1.1 GB in the end (delta: 866.6 MB). Free memory was 189.0 MB in the beginning and 890.0 MB in the end (delta: -701.0 MB). Peak memory consumption was 165.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:00,074 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 138.4 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.21 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 166.5 MB in the end (delta: -65.6 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.10 ms. Allocated memory is still 203.4 MB. Free memory was 166.5 MB in the beginning and 161.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.23 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 156.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2270.57 ms. Allocated memory was 203.4 MB in the beginning and 249.0 MB in the end (delta: 45.6 MB). Free memory was 156.3 MB in the beginning and 189.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 111.8 MB. Max. memory is 7.1 GB. * Sifa took 47160.70 ms. Allocated memory was 249.0 MB in the beginning and 1.1 GB in the end (delta: 866.6 MB). Free memory was 189.0 MB in the beginning and 890.0 MB in the end (delta: -701.0 MB). Peak memory consumption was 165.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 47110, 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]: 607, 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]: 477, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 39395, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6045, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 297, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 475, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 45923, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45923, 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]: 11, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 102, DAG_COMPRESSION_PROCESSED_NODES: 2275, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 544]: 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 8197#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (not (= ~a11~0 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) (<= ~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) (not (= ~a25~0 1)) (<= |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...