java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 19:38:16,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 19:38:16,863 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 19:38:16,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 19:38:16,875 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 19:38:16,876 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 19:38:16,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 19:38:16,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 19:38:16,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 19:38:16,881 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 19:38:16,882 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 19:38:16,882 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 19:38:16,883 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 19:38:16,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 19:38:16,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 19:38:16,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 19:38:16,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 19:38:16,889 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 19:38:16,891 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 19:38:16,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 19:38:16,894 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 19:38:16,895 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 19:38:16,897 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 19:38:16,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 19:38:16,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 19:38:16,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 19:38:16,901 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 19:38:16,901 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 19:38:16,902 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 19:38:16,903 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 19:38:16,903 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 19:38:16,905 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 19:38:16,905 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 19:38:16,905 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 19:38:16,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 19:38:16,907 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 19:38:16,908 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-07 19:38:16,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 19:38:16,924 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 19:38:16,925 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 19:38:16,925 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 19:38:16,926 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 19:38:16,926 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 19:38:16,926 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-07 19:38:16,926 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 19:38:16,926 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 19:38:16,927 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 19:38:16,927 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 19:38:16,927 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 19:38:16,927 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 19:38:16,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 19:38:16,928 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 19:38:16,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 19:38:16,929 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 19:38:16,929 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 19:38:16,929 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 19:38:16,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 19:38:16,929 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 19:38:16,930 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 19:38:16,930 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 19:38:16,930 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 19:38:16,930 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 19:38:16,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 19:38:16,931 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 19:38:16,931 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 19:38:16,931 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 19:38:16,931 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 19:38:16,931 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 19:38:16,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 19:38:16,932 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 19:38:16,932 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 19:38:16,932 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 19:38:16,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 19:38:16,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 19:38:16,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 19:38:16,999 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 19:38:16,999 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 19:38:17,000 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label54_true-unreach-call.c [2018-11-07 19:38:17,068 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db0145df/c44a8ba5c51449a8a9675e772749281e/FLAG4a7419180 [2018-11-07 19:38:19,210 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 19:38:19,211 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label54_true-unreach-call.c [2018-11-07 19:38:19,400 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db0145df/c44a8ba5c51449a8a9675e772749281e/FLAG4a7419180 [2018-11-07 19:38:19,416 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db0145df/c44a8ba5c51449a8a9675e772749281e [2018-11-07 19:38:19,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 19:38:19,428 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 19:38:19,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 19:38:19,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 19:38:19,434 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 19:38:19,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:38:19" (1/1) ... [2018-11-07 19:38:19,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3310b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:19, skipping insertion in model container [2018-11-07 19:38:19,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:38:19" (1/1) ... [2018-11-07 19:38:19,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 19:38:20,948 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 19:38:31,873 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 19:38:31,877 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 19:38:38,486 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 19:38:39,485 INFO L193 MainTranslator]: Completed translation [2018-11-07 19:38:39,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39 WrapperNode [2018-11-07 19:38:39,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 19:38:39,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 19:38:39,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 19:38:39,487 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 19:38:39,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:42,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:42,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 19:38:42,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 19:38:42,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 19:38:42,703 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 19:38:42,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:42,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:43,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:43,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:44,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:44,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:44,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (1/1) ... [2018-11-07 19:38:45,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 19:38:45,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 19:38:45,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 19:38:45,297 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 19:38:45,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (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 [2018-11-07 19:38:45,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 19:38:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 19:38:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2018-11-07 19:38:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2018-11-07 19:38:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2018-11-07 19:38:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2018-11-07 19:38:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2018-11-07 19:38:45,374 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2018-11-07 19:38:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2018-11-07 19:38:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2018-11-07 19:38:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2018-11-07 19:38:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2018-11-07 19:38:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2018-11-07 19:38:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2018-11-07 19:38:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2018-11-07 19:38:45,375 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2018-11-07 19:38:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2018-11-07 19:38:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2018-11-07 19:38:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2018-11-07 19:38:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2018-11-07 19:38:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2018-11-07 19:38:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2018-11-07 19:38:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2018-11-07 19:38:45,377 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2018-11-07 19:38:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2018-11-07 19:38:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2018-11-07 19:38:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2018-11-07 19:38:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2018-11-07 19:38:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 19:38:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2018-11-07 19:38:45,378 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2018-11-07 19:38:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2018-11-07 19:38:45,379 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2018-11-07 19:38:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2018-11-07 19:38:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2018-11-07 19:38:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2018-11-07 19:38:45,380 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2018-11-07 19:38:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2018-11-07 19:38:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2018-11-07 19:38:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2018-11-07 19:38:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2018-11-07 19:38:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2018-11-07 19:38:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2018-11-07 19:38:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2018-11-07 19:38:45,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2018-11-07 19:38:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2018-11-07 19:38:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2018-11-07 19:38:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2018-11-07 19:38:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2018-11-07 19:38:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2018-11-07 19:38:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2018-11-07 19:38:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2018-11-07 19:38:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2018-11-07 19:38:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 19:38:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 19:38:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2018-11-07 19:38:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2018-11-07 19:38:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 19:38:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 19:38:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2018-11-07 19:38:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2018-11-07 19:38:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 19:38:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 19:38:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 19:38:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 19:38:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2018-11-07 19:38:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2018-11-07 19:38:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 19:38:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 19:38:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2018-11-07 19:38:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2018-11-07 19:38:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 19:38:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 19:38:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2018-11-07 19:38:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2018-11-07 19:38:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2018-11-07 19:38:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2018-11-07 19:38:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2018-11-07 19:38:45,389 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2018-11-07 19:38:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2018-11-07 19:38:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2018-11-07 19:38:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2018-11-07 19:38:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2018-11-07 19:38:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 19:38:45,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 19:38:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2018-11-07 19:38:45,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2018-11-07 19:38:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2018-11-07 19:38:45,393 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2018-11-07 19:38:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2018-11-07 19:38:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2018-11-07 19:38:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2018-11-07 19:38:45,394 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2018-11-07 19:38:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2018-11-07 19:38:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2018-11-07 19:38:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2018-11-07 19:38:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2018-11-07 19:38:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 19:38:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 19:39:38,136 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 19:39:38,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:39:38 BoogieIcfgContainer [2018-11-07 19:39:38,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 19:39:38,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 19:39:38,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 19:39:38,141 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 19:39:38,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:38:19" (1/3) ... [2018-11-07 19:39:38,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225b6f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:39:38, skipping insertion in model container [2018-11-07 19:39:38,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:38:39" (2/3) ... [2018-11-07 19:39:38,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225b6f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:39:38, skipping insertion in model container [2018-11-07 19:39:38,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:39:38" (3/3) ... [2018-11-07 19:39:38,145 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label54_true-unreach-call.c [2018-11-07 19:39:38,154 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 19:39:38,168 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 19:39:38,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 19:39:38,264 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 19:39:38,264 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 19:39:38,264 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 19:39:38,264 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 19:39:38,264 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 19:39:38,265 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 19:39:38,265 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 19:39:38,265 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 19:39:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states. [2018-11-07 19:39:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10234 [2018-11-07 19:39:39,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 19:39:39,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 19:39:39,277 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 19:39:39,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 19:39:39,292 INFO L82 PathProgramCache]: Analyzing trace with hash -2059672355, now seen corresponding path program 1 times [2018-11-07 19:39:39,295 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 19:39:39,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:39:39,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 19:39:39,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 19:39:39,350 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 19:39:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 19:40:23,279 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 19:41:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 19:41:37,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 19:41:37,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 19:41:37,722 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 19:41:37,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 19:41:37,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 19:41:37,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 19:41:37,763 INFO L87 Difference]: Start difference. First operand 10447 states. Second operand 3 states. Received shutdown request... [2018-11-07 19:42:21,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 19:42:21,456 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 19:42:21,463 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 19:42:21,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:42:21 BoogieIcfgContainer [2018-11-07 19:42:21,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 19:42:21,464 INFO L168 Benchmark]: Toolchain (without parser) took 242036.64 ms. Allocated memory was 1.5 GB in the beginning and 4.5 GB in the end (delta: 3.0 GB). Free memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: -357.4 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-11-07 19:42:21,465 INFO L168 Benchmark]: CDTParser took 0.27 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. [2018-11-07 19:42:21,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 20056.55 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 667.4 MB). Free memory was 1.2 GB in the beginning and 831.7 MB in the end (delta: 347.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-07 19:42:21,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 3215.57 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 988.3 MB). Free memory was 831.7 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 201.0 MB. Max. memory is 7.1 GB. [2018-11-07 19:42:21,471 INFO L168 Benchmark]: Boogie Preprocessor took 2593.97 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.3 GB in the end (delta: 445.0 MB). Peak memory consumption was 445.0 MB. Max. memory is 7.1 GB. [2018-11-07 19:42:21,472 INFO L168 Benchmark]: RCFGBuilder took 52840.16 ms. Allocated memory was 3.2 GB in the beginning and 4.2 GB in the end (delta: 1.0 GB). Free memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: -757.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 19:42:21,473 INFO L168 Benchmark]: TraceAbstraction took 163325.81 ms. Allocated memory was 4.2 GB in the beginning and 4.5 GB in the end (delta: 355.5 MB). Free memory was 3.1 GB in the beginning and 1.5 GB in the end (delta: 1.5 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 19:42:21,478 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 20056.55 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 667.4 MB). Free memory was 1.2 GB in the beginning and 831.7 MB in the end (delta: 347.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 3215.57 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 988.3 MB). Free memory was 831.7 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 201.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2593.97 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.3 GB in the end (delta: 445.0 MB). Peak memory consumption was 445.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 52840.16 ms. Allocated memory was 3.2 GB in the beginning and 4.2 GB in the end (delta: 1.0 GB). Free memory was 2.3 GB in the beginning and 3.1 GB in the end (delta: -757.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * TraceAbstraction took 163325.81 ms. Allocated memory was 4.2 GB in the beginning and 4.5 GB in the end (delta: 355.5 MB). Free memory was 3.1 GB in the beginning and 1.5 GB in the end (delta: 1.5 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73646]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73646). 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 (22542 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 10447 locations, 1 error locations. TIMEOUT Result, 163.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 43.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1315 SDtfs, 1156 SDslu, 178 SDs, 0 SdLazy, 21979 SolverSat, 11630 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 3 SyntacticMatches, 47 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s 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: 0.6s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 41.7s InterpolantComputationTime, 10233 NumberOfCodeBlocks, 10233 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10232 ConstructedInterpolants, 0 QuantifiedInterpolants, 418713904 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