java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label58_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 17:52:58,861 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 17:52:58,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 17:52:58,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 17:52:58,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 17:52:58,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 17:52:58,882 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 17:52:58,884 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 17:52:58,887 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 17:52:58,887 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 17:52:58,890 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 17:52:58,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 17:52:58,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 17:52:58,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 17:52:58,893 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 17:52:58,897 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 17:52:58,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 17:52:58,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 17:52:58,910 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 17:52:58,914 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 17:52:58,915 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 17:52:58,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 17:52:58,921 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 17:52:58,921 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 17:52:58,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 17:52:58,922 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 17:52:58,923 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 17:52:58,924 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 17:52:58,925 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 17:52:58,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 17:52:58,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 17:52:58,929 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 17:52:58,929 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 17:52:58,931 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 17:52:58,932 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 17:52:58,933 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 17:52:58,934 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 17:52:58,961 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 17:52:58,961 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 17:52:58,962 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 17:52:58,963 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 17:52:58,963 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 17:52:58,963 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 17:52:58,963 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 17:52:58,964 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 17:52:58,964 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 17:52:58,964 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 17:52:58,964 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 17:52:58,965 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 17:52:58,965 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 17:52:58,965 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 17:52:58,966 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 17:52:58,966 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 17:52:58,966 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 17:52:58,966 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 17:52:58,966 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 17:52:58,968 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 17:52:58,968 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 17:52:58,969 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 17:52:58,969 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 17:52:58,969 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 17:52:58,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 17:52:58,969 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 17:52:58,969 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 17:52:58,970 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 17:52:58,970 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 17:52:58,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 17:52:58,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 17:52:58,970 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 17:52:58,971 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 17:52:58,971 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 17:52:59,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 17:52:59,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 17:52:59,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 17:52:59,039 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 17:52:59,040 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 17:52:59,041 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label58_false-unreach-call.c [2018-10-24 17:52:59,100 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1257afaa6/a9bbdc0d54c949eea7bd0ef38ab40272/FLAGcfb7d9b67 [2018-10-24 17:53:01,120 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 17:53:01,121 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label58_false-unreach-call.c [2018-10-24 17:53:01,288 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1257afaa6/a9bbdc0d54c949eea7bd0ef38ab40272/FLAGcfb7d9b67 [2018-10-24 17:53:01,303 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1257afaa6/a9bbdc0d54c949eea7bd0ef38ab40272 [2018-10-24 17:53:01,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 17:53:01,315 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 17:53:01,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 17:53:01,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 17:53:01,319 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 17:53:01,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:53:01" (1/1) ... [2018-10-24 17:53:01,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497fe8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:01, skipping insertion in model container [2018-10-24 17:53:01,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:53:01" (1/1) ... [2018-10-24 17:53:01,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 17:53:02,623 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 17:53:12,878 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:53:12,883 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 17:53:19,526 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:53:20,557 INFO L193 MainTranslator]: Completed translation [2018-10-24 17:53:20,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20 WrapperNode [2018-10-24 17:53:20,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 17:53:20,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 17:53:20,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 17:53:20,559 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 17:53:20,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:20,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:24,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 17:53:24,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 17:53:24,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 17:53:24,280 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 17:53:24,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:24,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:24,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:24,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:25,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:25,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:25,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... [2018-10-24 17:53:26,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 17:53:26,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 17:53:26,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 17:53:26,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 17:53:26,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 17:53:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 17:53:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 17:53:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2018-10-24 17:53:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2018-10-24 17:53:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2018-10-24 17:53:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2018-10-24 17:53:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2018-10-24 17:53:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2018-10-24 17:53:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2018-10-24 17:53:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2018-10-24 17:53:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2018-10-24 17:53:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2018-10-24 17:53:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2018-10-24 17:53:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2018-10-24 17:53:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2018-10-24 17:53:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2018-10-24 17:53:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2018-10-24 17:53:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2018-10-24 17:53:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2018-10-24 17:53:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2018-10-24 17:53:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2018-10-24 17:53:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2018-10-24 17:53:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2018-10-24 17:53:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2018-10-24 17:53:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2018-10-24 17:53:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2018-10-24 17:53:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2018-10-24 17:53:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2018-10-24 17:53:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2018-10-24 17:53:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2018-10-24 17:53:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2018-10-24 17:53:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2018-10-24 17:53:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2018-10-24 17:53:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2018-10-24 17:53:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2018-10-24 17:53:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2018-10-24 17:53:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2018-10-24 17:53:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2018-10-24 17:53:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2018-10-24 17:53:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2018-10-24 17:53:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2018-10-24 17:53:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2018-10-24 17:53:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2018-10-24 17:53:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2018-10-24 17:53:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2018-10-24 17:53:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2018-10-24 17:53:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2018-10-24 17:53:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2018-10-24 17:53:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2018-10-24 17:53:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2018-10-24 17:53:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2018-10-24 17:53:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2018-10-24 17:53:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 17:53:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 17:53:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2018-10-24 17:53:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2018-10-24 17:53:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 17:53:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 17:53:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2018-10-24 17:53:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2018-10-24 17:53:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 17:53:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 17:53:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 17:53:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 17:53:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2018-10-24 17:53:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2018-10-24 17:53:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 17:53:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 17:53:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2018-10-24 17:53:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2018-10-24 17:53:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 17:53:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 17:53:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2018-10-24 17:53:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2018-10-24 17:53:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2018-10-24 17:53:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2018-10-24 17:53:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2018-10-24 17:53:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2018-10-24 17:53:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2018-10-24 17:53:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2018-10-24 17:53:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2018-10-24 17:53:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2018-10-24 17:53:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 17:53:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 17:53:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2018-10-24 17:53:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2018-10-24 17:53:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2018-10-24 17:53:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2018-10-24 17:53:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2018-10-24 17:53:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2018-10-24 17:53:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2018-10-24 17:53:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2018-10-24 17:53:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2018-10-24 17:53:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2018-10-24 17:53:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2018-10-24 17:53:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2018-10-24 17:53:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 17:53:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 17:54:19,801 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 17:54:19,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:54:19 BoogieIcfgContainer [2018-10-24 17:54:19,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 17:54:19,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 17:54:19,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 17:54:19,806 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 17:54:19,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:53:01" (1/3) ... [2018-10-24 17:54:19,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299f2080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:54:19, skipping insertion in model container [2018-10-24 17:54:19,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:53:20" (2/3) ... [2018-10-24 17:54:19,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299f2080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:54:19, skipping insertion in model container [2018-10-24 17:54:19,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:54:19" (3/3) ... [2018-10-24 17:54:19,810 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label58_false-unreach-call.c [2018-10-24 17:54:19,819 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 17:54:19,830 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 17:54:19,848 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 17:54:19,934 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 17:54:19,935 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 17:54:19,935 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 17:54:19,935 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 17:54:19,935 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 17:54:19,935 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 17:54:19,935 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 17:54:19,936 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 17:54:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states. [2018-10-24 17:54:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10184 [2018-10-24 17:54:20,780 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:54:20,788 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:54:20,792 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:54:20,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:54:20,803 INFO L82 PathProgramCache]: Analyzing trace with hash -408199339, now seen corresponding path program 1 times [2018-10-24 17:54:20,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 17:54:20,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:54:20,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:54:20,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:54:20,857 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 17:54:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:54:58,903 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 17:56:17,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:56:17,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:56:17,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:56:17,352 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 17:56:17,375 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 17:56:17,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 17:56:17,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:56:17,394 INFO L87 Difference]: Start difference. First operand 10447 states. Second operand 3 states. Received shutdown request... [2018-10-24 17:57:02,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 17:57:02,890 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 17:57:02,896 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 17:57:02,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:57:02 BoogieIcfgContainer [2018-10-24 17:57:02,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 17:57:02,898 INFO L168 Benchmark]: Toolchain (without parser) took 241583.73 ms. Allocated memory was 1.5 GB in the beginning and 4.6 GB in the end (delta: 3.1 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -126.8 MB). Peak memory consumption was 3.0 GB. Max. memory is 7.1 GB. [2018-10-24 17:57:02,899 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 17:57:02,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 19242.33 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 689.4 MB). Free memory was 1.1 GB in the beginning and 792.7 MB in the end (delta: 349.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 17:57:02,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 3721.09 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.0 GB). Free memory was 792.7 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 278.4 MB. Max. memory is 7.1 GB. [2018-10-24 17:57:02,902 INFO L168 Benchmark]: Boogie Preprocessor took 2043.13 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.4 GB in the end (delta: 396.9 MB). Peak memory consumption was 396.9 MB. Max. memory is 7.1 GB. [2018-10-24 17:57:02,903 INFO L168 Benchmark]: RCFGBuilder took 53478.29 ms. Allocated memory was 3.2 GB in the beginning and 4.1 GB in the end (delta: 897.6 MB). Free memory was 2.4 GB in the beginning and 2.9 GB in the end (delta: -531.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-24 17:57:02,904 INFO L168 Benchmark]: TraceAbstraction took 163094.57 ms. Allocated memory was 4.1 GB in the beginning and 4.6 GB in the end (delta: 454.6 MB). Free memory was 2.9 GB in the beginning and 1.3 GB in the end (delta: 1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-24 17:57:02,910 INFO L336 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 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 19242.33 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 689.4 MB). Free memory was 1.1 GB in the beginning and 792.7 MB in the end (delta: 349.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 3721.09 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.0 GB). Free memory was 792.7 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 278.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2043.13 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.4 GB in the end (delta: 396.9 MB). Peak memory consumption was 396.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 53478.29 ms. Allocated memory was 3.2 GB in the beginning and 4.1 GB in the end (delta: 897.6 MB). Free memory was 2.4 GB in the beginning and 2.9 GB in the end (delta: -531.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * TraceAbstraction took 163094.57 ms. Allocated memory was 4.1 GB in the beginning and 4.6 GB in the end (delta: 454.6 MB). Free memory was 2.9 GB in the beginning and 1.3 GB in the end (delta: 1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73496]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73496). Cancelled while BasicCegarLoop was constructing difference of abstraction (10447states) and FLOYD_HOARE automaton (currently 3 states, 3 states before enhancement),while ReachableStatesComputation was computing reachable states (23053 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 10447 locations, 1 error locations. TIMEOUT Result, 162.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 45.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1349 SDtfs, 1182 SDslu, 183 SDs, 0 SdLazy, 22475 SolverSat, 11889 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 47 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10447occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 35.4s InterpolantComputationTime, 10183 NumberOfCodeBlocks, 10183 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10182 ConstructedInterpolants, 0 QuantifiedInterpolants, 414631404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown