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_label18_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 17:48:44,963 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 17:48:44,967 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 17:48:44,983 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 17:48:44,984 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 17:48:44,985 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 17:48:44,986 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 17:48:44,988 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 17:48:44,990 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 17:48:44,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 17:48:44,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 17:48:44,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 17:48:44,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 17:48:44,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 17:48:44,999 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 17:48:45,000 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 17:48:45,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 17:48:45,006 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 17:48:45,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 17:48:45,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 17:48:45,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 17:48:45,016 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 17:48:45,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 17:48:45,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 17:48:45,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 17:48:45,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 17:48:45,020 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 17:48:45,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 17:48:45,022 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 17:48:45,023 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 17:48:45,023 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 17:48:45,024 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 17:48:45,024 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 17:48:45,024 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 17:48:45,025 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 17:48:45,026 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 17:48:45,026 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 17:48:45,054 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 17:48:45,054 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 17:48:45,055 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 17:48:45,055 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 17:48:45,055 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 17:48:45,056 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 17:48:45,056 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 17:48:45,056 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 17:48:45,056 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 17:48:45,057 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 17:48:45,057 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 17:48:45,057 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 17:48:45,058 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 17:48:45,058 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 17:48:45,058 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 17:48:45,058 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 17:48:45,059 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 17:48:45,060 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 17:48:45,060 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 17:48:45,060 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 17:48:45,060 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 17:48:45,060 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 17:48:45,061 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 17:48:45,061 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 17:48:45,061 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 17:48:45,062 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 17:48:45,062 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 17:48:45,062 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 17:48:45,062 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 17:48:45,062 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 17:48:45,062 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 17:48:45,063 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 17:48:45,063 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 17:48:45,063 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 17:48:45,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 17:48:45,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 17:48:45,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 17:48:45,144 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 17:48:45,144 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 17:48:45,145 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label18_false-unreach-call.c [2018-10-24 17:48:45,217 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e652d8086/154f2b3c6b1848caaec72791fcbfcb06/FLAG1002eb17f [2018-10-24 17:48:47,308 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 17:48:47,309 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label18_false-unreach-call.c [2018-10-24 17:48:47,552 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e652d8086/154f2b3c6b1848caaec72791fcbfcb06/FLAG1002eb17f [2018-10-24 17:48:47,568 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e652d8086/154f2b3c6b1848caaec72791fcbfcb06 [2018-10-24 17:48:47,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 17:48:47,580 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 17:48:47,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 17:48:47,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 17:48:47,586 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 17:48:47,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:48:47" (1/1) ... [2018-10-24 17:48:47,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c15c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:48:47, skipping insertion in model container [2018-10-24 17:48:47,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:48:47" (1/1) ... [2018-10-24 17:48:47,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 17:48:49,232 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 17:49:00,590 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:49:00,595 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 17:49:07,032 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:49:07,959 INFO L193 MainTranslator]: Completed translation [2018-10-24 17:49:07,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07 WrapperNode [2018-10-24 17:49:07,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 17:49:07,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 17:49:07,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 17:49:07,960 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 17:49:07,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:08,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:11,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 17:49:11,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 17:49:11,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 17:49:11,849 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 17:49:11,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:11,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:12,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:12,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:13,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:13,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:13,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (1/1) ... [2018-10-24 17:49:14,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 17:49:14,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 17:49:14,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 17:49:14,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 17:49:14,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (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 17:49:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 17:49:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 17:49:14,542 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2018-10-24 17:49:14,542 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2018-10-24 17:49:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2018-10-24 17:49:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2018-10-24 17:49:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2018-10-24 17:49:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2018-10-24 17:49:14,543 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2018-10-24 17:49:14,543 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2018-10-24 17:49:14,544 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2018-10-24 17:49:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2018-10-24 17:49:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2018-10-24 17:49:14,545 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2018-10-24 17:49:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2018-10-24 17:49:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2018-10-24 17:49:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2018-10-24 17:49:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2018-10-24 17:49:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2018-10-24 17:49:14,546 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2018-10-24 17:49:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2018-10-24 17:49:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2018-10-24 17:49:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2018-10-24 17:49:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2018-10-24 17:49:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2018-10-24 17:49:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2018-10-24 17:49:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2018-10-24 17:49:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2018-10-24 17:49:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2018-10-24 17:49:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2018-10-24 17:49:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2018-10-24 17:49:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2018-10-24 17:49:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2018-10-24 17:49:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2018-10-24 17:49:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2018-10-24 17:49:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2018-10-24 17:49:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2018-10-24 17:49:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2018-10-24 17:49:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2018-10-24 17:49:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2018-10-24 17:49:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2018-10-24 17:49:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2018-10-24 17:49:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2018-10-24 17:49:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2018-10-24 17:49:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2018-10-24 17:49:14,551 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2018-10-24 17:49:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2018-10-24 17:49:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2018-10-24 17:49:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2018-10-24 17:49:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2018-10-24 17:49:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2018-10-24 17:49:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2018-10-24 17:49:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 17:49:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 17:49:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2018-10-24 17:49:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2018-10-24 17:49:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 17:49:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 17:49:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2018-10-24 17:49:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2018-10-24 17:49:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 17:49:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 17:49:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 17:49:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 17:49:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2018-10-24 17:49:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2018-10-24 17:49:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 17:49:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 17:49:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2018-10-24 17:49:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2018-10-24 17:49:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 17:49:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 17:49:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2018-10-24 17:49:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2018-10-24 17:49:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2018-10-24 17:49:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2018-10-24 17:49:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2018-10-24 17:49:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2018-10-24 17:49:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2018-10-24 17:49:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2018-10-24 17:49:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2018-10-24 17:49:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2018-10-24 17:49:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 17:49:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 17:49:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2018-10-24 17:49:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2018-10-24 17:49:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2018-10-24 17:49:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2018-10-24 17:49:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2018-10-24 17:49:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2018-10-24 17:49:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2018-10-24 17:49:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2018-10-24 17:49:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2018-10-24 17:49:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2018-10-24 17:49:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2018-10-24 17:49:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2018-10-24 17:49:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 17:49:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 17:50:07,399 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 17:50:07,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:50:07 BoogieIcfgContainer [2018-10-24 17:50:07,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 17:50:07,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 17:50:07,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 17:50:07,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 17:50:07,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:48:47" (1/3) ... [2018-10-24 17:50:07,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e87978f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:50:07, skipping insertion in model container [2018-10-24 17:50:07,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:49:07" (2/3) ... [2018-10-24 17:50:07,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e87978f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:50:07, skipping insertion in model container [2018-10-24 17:50:07,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:50:07" (3/3) ... [2018-10-24 17:50:07,408 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label18_false-unreach-call.c [2018-10-24 17:50:07,421 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 17:50:07,436 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 17:50:07,454 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 17:50:07,547 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 17:50:07,547 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 17:50:07,548 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 17:50:07,548 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 17:50:07,548 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 17:50:07,548 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 17:50:07,548 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 17:50:07,548 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 17:50:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states. [2018-10-24 17:50:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10202 [2018-10-24 17:50:08,534 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:50:08,542 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] [2018-10-24 17:50:08,546 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:50:08,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:50:08,558 INFO L82 PathProgramCache]: Analyzing trace with hash -2046281635, now seen corresponding path program 1 times [2018-10-24 17:50:08,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 17:50:09,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:50:09,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:50:09,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:50:09,282 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 17:50:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:52:05,144 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 17:52:05,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:52:05,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:52:05,148 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 17:52:05,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 17:52:05,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 17:52:05,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 17:52:05,194 INFO L87 Difference]: Start difference. First operand 10447 states. Second operand 3 states. Received shutdown request... [2018-10-24 17:52:47,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 17:52:47,213 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 17:52:47,220 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 17:52:47,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:52:47 BoogieIcfgContainer [2018-10-24 17:52:47,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 17:52:47,224 INFO L168 Benchmark]: Toolchain (without parser) took 239645.70 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 1.2 GB in the end (delta: -17.0 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2018-10-24 17:52:47,226 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 17:52:47,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 20378.78 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 675.3 MB). Free memory was 1.1 GB in the beginning and 774.4 MB in the end (delta: 372.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 17:52:47,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 3887.83 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.0 GB). Free memory was 774.4 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 301.9 MB. Max. memory is 7.1 GB. [2018-10-24 17:52:47,230 INFO L168 Benchmark]: Boogie Preprocessor took 2617.81 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: 418.1 MB). Peak memory consumption was 418.1 MB. Max. memory is 7.1 GB. [2018-10-24 17:52:47,231 INFO L168 Benchmark]: RCFGBuilder took 52933.77 ms. Allocated memory was 3.2 GB in the beginning and 4.1 GB in the end (delta: 910.7 MB). Free memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: -417.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 17:52:47,232 INFO L168 Benchmark]: TraceAbstraction took 159822.15 ms. Allocated memory was 4.1 GB in the beginning and 4.6 GB in the end (delta: 457.2 MB). Free memory was 2.8 GB in the beginning and 1.2 GB in the end (delta: 1.6 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-24 17:52:47,238 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 20378.78 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 675.3 MB). Free memory was 1.1 GB in the beginning and 774.4 MB in the end (delta: 372.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 3887.83 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.0 GB). Free memory was 774.4 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 301.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2617.81 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: 418.1 MB). Peak memory consumption was 418.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 52933.77 ms. Allocated memory was 3.2 GB in the beginning and 4.1 GB in the end (delta: 910.7 MB). Free memory was 2.4 GB in the beginning and 2.8 GB in the end (delta: -417.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * TraceAbstraction took 159822.15 ms. Allocated memory was 4.1 GB in the beginning and 4.6 GB in the end (delta: 457.2 MB). Free memory was 2.8 GB in the beginning and 1.2 GB in the end (delta: 1.6 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: 73550]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73550). 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 (20413 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 10447 locations, 1 error locations. TIMEOUT Result, 159.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 42.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 643 SDtfs, 451 SDslu, 163 SDs, 0 SdLazy, 20472 SolverSat, 10985 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 47 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s 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, 1.8s SatisfiabilityAnalysisTime, 35.3s InterpolantComputationTime, 10201 NumberOfCodeBlocks, 10201 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10200 ConstructedInterpolants, 0 QuantifiedInterpolants, 416098800 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