/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/product-lines/minepump_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 17:51:13,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 17:51:13,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 17:51:13,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 17:51:13,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 17:51:13,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 17:51:13,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 17:51:13,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 17:51:13,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 17:51:13,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 17:51:13,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 17:51:13,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 17:51:13,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 17:51:13,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 17:51:13,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 17:51:13,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 17:51:13,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 17:51:13,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 17:51:13,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 17:51:13,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 17:51:13,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 17:51:13,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 17:51:13,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 17:51:13,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 17:51:13,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 17:51:13,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 17:51:13,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 17:51:13,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 17:51:13,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 17:51:13,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 17:51:13,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 17:51:13,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 17:51:13,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 17:51:13,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 17:51:13,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 17:51:13,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 17:51:13,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 17:51:13,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 17:51:13,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 17:51:13,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 17:51:13,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 17:51:13,465 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 17:51:13,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 17:51:13,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 17:51:13,493 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 17:51:13,493 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 17:51:13,494 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 17:51:13,494 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 17:51:13,494 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 17:51:13,494 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 17:51:13,494 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 17:51:13,495 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 17:51:13,495 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 17:51:13,495 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 17:51:13,495 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 17:51:13,495 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 17:51:13,496 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 17:51:13,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 17:51:13,496 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 17:51:13,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 17:51:13,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 17:51:13,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 17:51:13,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 17:51:13,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 17:51:13,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 17:51:13,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 17:51:13,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 17:51:13,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 17:51:13,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 17:51:13,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 17:51:13,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 17:51:13,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 17:51:13,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 17:51:13,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 17:51:13,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 17:51:13,500 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 17:51:13,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 17:51:13,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 17:51:13,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 17:51:13,501 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 17:51:13,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 17:51:13,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 17:51:13,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 17:51:13,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 17:51:13,792 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 17:51:13,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-11-24 17:51:13,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f9f23fc/1b71d714d8f34a9387031146a46c9fc0/FLAGe43956a04 [2019-11-24 17:51:14,312 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 17:51:14,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2019-11-24 17:51:14,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f9f23fc/1b71d714d8f34a9387031146a46c9fc0/FLAGe43956a04 [2019-11-24 17:51:14,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f9f23fc/1b71d714d8f34a9387031146a46c9fc0 [2019-11-24 17:51:14,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 17:51:14,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 17:51:14,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 17:51:14,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 17:51:14,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 17:51:14,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:51:14" (1/1) ... [2019-11-24 17:51:14,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4837be06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:14, skipping insertion in model container [2019-11-24 17:51:14,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:51:14" (1/1) ... [2019-11-24 17:51:14,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 17:51:14,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 17:51:15,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:51:15,144 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 17:51:15,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 17:51:15,260 INFO L208 MainTranslator]: Completed translation [2019-11-24 17:51:15,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15 WrapperNode [2019-11-24 17:51:15,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 17:51:15,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 17:51:15,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 17:51:15,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 17:51:15,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 17:51:15,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 17:51:15,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 17:51:15,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 17:51:15,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (1/1) ... [2019-11-24 17:51:15,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 17:51:15,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 17:51:15,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 17:51:15,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 17:51:15,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:51:15" (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 17:51:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 17:51:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 17:51:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 17:51:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 17:51:16,834 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 17:51:16,834 INFO L284 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-24 17:51:16,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:51:16 BoogieIcfgContainer [2019-11-24 17:51:16,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 17:51:16,836 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 17:51:16,836 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 17:51:16,836 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 17:51:16,837 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:51:16" (1/1) ... [2019-11-24 17:51:16,838 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 17:51:16,862 INFO L159 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-11-24 17:51:16,863 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 17:51:16,870 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 17:51:16,878 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 17:51:16,879 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 17:51:26,317 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-11-24 17:51:27,920 WARN L192 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 17:51:28,065 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-11-24 17:51:28,705 WARN L192 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 547 [2019-11-24 17:51:29,188 WARN L192 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 547 [2019-11-24 17:51:29,586 WARN L192 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2019-11-24 17:51:30,131 WARN L192 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-24 17:51:30,768 WARN L192 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 651 [2019-11-24 17:51:33,170 WARN L192 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 803 DAG size of output: 698 [2019-11-24 17:51:34,705 WARN L192 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 803 DAG size of output: 698 [2019-11-24 17:51:36,318 WARN L192 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 697 DAG size of output: 694 [2019-11-24 17:51:38,001 WARN L192 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 706 [2019-11-24 17:51:40,784 WARN L192 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 709 DAG size of output: 706 [2019-11-24 17:51:49,788 WARN L192 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 1163 DAG size of output: 837 [2019-11-24 17:51:56,544 WARN L192 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 1163 DAG size of output: 837 [2019-11-24 17:51:59,415 WARN L192 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 820 DAG size of output: 795 [2019-11-24 17:52:08,657 WARN L192 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 1210 DAG size of output: 731 [2019-11-24 17:52:14,700 WARN L192 SmtUtils]: Spent 6.03 s on a formula simplification. DAG size of input: 1210 DAG size of output: 731 [2019-11-24 17:52:16,824 WARN L192 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 720 DAG size of output: 720 [2019-11-24 17:52:22,837 WARN L192 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 1094 DAG size of output: 786 [2019-11-24 17:52:28,733 WARN L192 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 1094 DAG size of output: 786 [2019-11-24 17:52:31,240 WARN L192 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 747 DAG size of output: 745 [2019-11-24 17:52:31,950 WARN L192 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 706 DAG size of output: 597 [2019-11-24 17:52:32,634 WARN L192 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 706 DAG size of output: 597 [2019-11-24 17:52:32,770 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-11-24 17:52:32,791 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 17:52:32,799 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-11-24 17:52:32,800 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 17:52:32,802 INFO L168 Benchmark]: Toolchain (without parser) took 78116.00 ms. Allocated memory was 140.5 MB in the beginning and 2.4 GB in the end (delta: 2.3 GB). Free memory was 104.1 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 731.7 MB. Max. memory is 7.1 GB. [2019-11-24 17:52:32,803 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 140.5 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 17:52:32,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.66 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 103.9 MB in the beginning and 174.1 MB in the end (delta: -70.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-11-24 17:52:32,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.94 ms. Allocated memory is still 204.5 MB. Free memory was 174.1 MB in the beginning and 170.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-11-24 17:52:32,805 INFO L168 Benchmark]: Boogie Preprocessor took 38.52 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 168.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 17:52:32,806 INFO L168 Benchmark]: RCFGBuilder took 1466.26 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 168.5 MB in the beginning and 165.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-11-24 17:52:32,807 INFO L168 Benchmark]: Sifa took 75964.15 ms. Allocated memory was 234.4 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 165.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 699.2 MB. Max. memory is 7.1 GB. [2019-11-24 17:52:32,812 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 140.5 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 574.66 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 103.9 MB in the beginning and 174.1 MB in the end (delta: -70.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 68.94 ms. Allocated memory is still 204.5 MB. Free memory was 174.1 MB in the beginning and 170.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.52 ms. Allocated memory is still 204.5 MB. Free memory was 170.5 MB in the beginning and 168.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1466.26 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 168.5 MB in the beginning and 165.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * Sifa took 75964.15 ms. Allocated memory was 234.4 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 165.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 699.2 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]: 75929, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 10, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 16614, 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: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 16536, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11108, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 36, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 53002, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 5560, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 118, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 524, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 31408, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31407, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, 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]: 5, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 1062, DAG_COMPRESSION_RETAINED_NODES: 74 - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...