./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d28857c86a3c83fc75b1b8cf8125f1c52a370911 ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: null --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:24:07,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:24:07,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:24:07,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:24:07,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:24:07,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:24:07,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:24:07,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:24:07,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:24:07,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:24:07,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:24:07,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:24:07,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:24:07,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:24:07,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:24:07,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:24:07,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:24:07,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:24:07,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:24:07,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:24:07,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:24:07,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:24:07,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:24:07,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:24:07,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:24:07,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:24:07,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:24:07,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:24:07,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:24:07,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:24:07,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:24:07,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:24:07,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:24:07,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:24:07,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:24:07,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:24:07,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:24:07,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:24:07,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:24:07,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:24:07,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:24:07,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-07-29 01:24:07,132 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:24:07,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:24:07,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:24:07,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:24:07,134 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:24:07,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:24:07,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:24:07,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:24:07,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:24:07,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:24:07,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:24:07,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:24:07,136 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:24:07,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:24:07,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:24:07,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:24:07,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:24:07,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:24:07,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:24:07,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:24:07,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:24:07,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:24:07,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:24:07,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:24:07,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:24:07,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:24:07,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:24:07,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:24:07,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d28857c86a3c83fc75b1b8cf8125f1c52a370911 [2020-07-29 01:24:07,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:24:07,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:24:07,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:24:07,466 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:24:07,466 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:24:07,468 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2020-07-29 01:24:07,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ff9d928/e9c9af42261d438a8cd56883aa3b3480/FLAG4e7dbaa45 [2020-07-29 01:24:07,875 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:24:07,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2020-07-29 01:24:07,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ff9d928/e9c9af42261d438a8cd56883aa3b3480/FLAG4e7dbaa45 [2020-07-29 01:24:08,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33ff9d928/e9c9af42261d438a8cd56883aa3b3480 [2020-07-29 01:24:08,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:24:08,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:24:08,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:08,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:24:08,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:24:08,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb1032f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08, skipping insertion in model container [2020-07-29 01:24:08,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:24:08,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:24:08,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:08,496 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:24:08,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:08,526 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:24:08,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08 WrapperNode [2020-07-29 01:24:08,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:08,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:08,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:24:08,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:24:08,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:08,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:24:08,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:24:08,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:24:08,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (1/1) ... [2020-07-29 01:24:08,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:24:08,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:24:08,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:24:08,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:24:08,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (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 [2020-07-29 01:24:08,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:24:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:24:08,985 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:24:08,986 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:24:08,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:08 BoogieIcfgContainer [2020-07-29 01:24:08,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:24:08,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:24:08,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:24:08,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:24:08,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:24:08" (1/3) ... [2020-07-29 01:24:08,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8fb034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:08, skipping insertion in model container [2020-07-29 01:24:08,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:08" (2/3) ... [2020-07-29 01:24:08,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8fb034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:08, skipping insertion in model container [2020-07-29 01:24:08,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:08" (3/3) ... [2020-07-29 01:24:08,998 INFO L109 eAbstractionObserver]: Analyzing ICFG java_LogBuiltIn.c [2020-07-29 01:24:09,009 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:24:09,016 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-07-29 01:24:09,031 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-29 01:24:09,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:24:09,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:24:09,057 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:24:09,057 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:24:09,058 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:24:09,058 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:24:09,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:24:09,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:24:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-07-29 01:24:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-07-29 01:24:09,085 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:24:09,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-07-29 01:24:09,088 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:24:09,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:24:09,096 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2020-07-29 01:24:09,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:24:09,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20981360] [2020-07-29 01:24:09,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:24:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:24:09,401 INFO L280 TraceCheckUtils]: 0: Hoare triple {18#true} havoc main_#res;havoc main_#t~nondet1, main_#t~ret2;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;mlog_#in~x := main_#t~nondet1;havoc mlog_#res;havoc mlog_#t~post0, mlog_~x, mlog_~res~0;mlog_~x := mlog_#in~x;mlog_~res~0 := 0; {20#(<= ULTIMATE.start_mlog_~x 2147483647)} is VALID [2020-07-29 01:24:09,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {20#(<= ULTIMATE.start_mlog_~x 2147483647)} assume !!(mlog_~x > 1); {21#(and (<= 2 ULTIMATE.start_mlog_~x) (<= ULTIMATE.start_mlog_~x 2147483647))} is VALID [2020-07-29 01:24:09,404 INFO L280 TraceCheckUtils]: 2: Hoare triple {21#(and (<= 2 ULTIMATE.start_mlog_~x) (<= ULTIMATE.start_mlog_~x 2147483647))} assume !((if mlog_~x < 0 && 0 != mlog_~x % 2 then 1 + mlog_~x / 2 else mlog_~x / 2) <= 2147483647); {19#false} is VALID [2020-07-29 01:24:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:24:09,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20981360] [2020-07-29 01:24:09,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:24:09,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:24:09,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342533034] [2020-07-29 01:24:09,415 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2020-07-29 01:24:09,416 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:24:09,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:24:09,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:24:09,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-29 01:24:09,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:24:09,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-29 01:24:09,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-29 01:24:09,438 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 4 states. [2020-07-29 01:24:09,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:24:09,548 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2020-07-29 01:24:09,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-29 01:24:09,548 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2020-07-29 01:24:09,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:24:09,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:24:09,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-29 01:24:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:24:09,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-29 01:24:09,559 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 20 transitions. [2020-07-29 01:24:09,603 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:24:09,613 INFO L225 Difference]: With dead ends: 20 [2020-07-29 01:24:09,613 INFO L226 Difference]: Without dead ends: 8 [2020-07-29 01:24:09,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-29 01:24:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-07-29 01:24:09,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-07-29 01:24:09,649 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:24:09,650 INFO L82 GeneralOperation]: Start isEquivalent. First operand 8 states. Second operand 8 states. [2020-07-29 01:24:09,651 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2020-07-29 01:24:09,651 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2020-07-29 01:24:09,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:24:09,653 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2020-07-29 01:24:09,653 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-07-29 01:24:09,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:24:09,654 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:24:09,654 INFO L74 IsIncluded]: Start isIncluded. First operand 8 states. Second operand 8 states. [2020-07-29 01:24:09,655 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 8 states. [2020-07-29 01:24:09,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:24:09,656 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2020-07-29 01:24:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-07-29 01:24:09,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:24:09,658 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:24:09,658 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:24:09,659 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:24:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-29 01:24:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-07-29 01:24:09,662 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 3 [2020-07-29 01:24:09,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:24:09,662 INFO L479 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-07-29 01:24:09,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-29 01:24:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-07-29 01:24:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-29 01:24:09,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:24:09,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-29 01:24:09,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-29 01:24:09,664 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:24:09,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:24:09,665 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2020-07-29 01:24:09,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:24:09,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990660425] [2020-07-29 01:24:09,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:24:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:24:09,713 INFO L280 TraceCheckUtils]: 0: Hoare triple {74#true} havoc main_#res;havoc main_#t~nondet1, main_#t~ret2;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;mlog_#in~x := main_#t~nondet1;havoc mlog_#res;havoc mlog_#t~post0, mlog_~x, mlog_~res~0;mlog_~x := mlog_#in~x;mlog_~res~0 := 0; {76#(<= ULTIMATE.start_mlog_~res~0 0)} is VALID [2020-07-29 01:24:09,715 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#(<= ULTIMATE.start_mlog_~res~0 0)} assume !!(mlog_~x > 1); {76#(<= ULTIMATE.start_mlog_~res~0 0)} is VALID [2020-07-29 01:24:09,716 INFO L280 TraceCheckUtils]: 2: Hoare triple {76#(<= ULTIMATE.start_mlog_~res~0 0)} assume (if mlog_~x < 0 && 0 != mlog_~x % 2 then 1 + mlog_~x / 2 else mlog_~x / 2) <= 2147483647; {76#(<= ULTIMATE.start_mlog_~res~0 0)} is VALID [2020-07-29 01:24:09,717 INFO L280 TraceCheckUtils]: 3: Hoare triple {76#(<= ULTIMATE.start_mlog_~res~0 0)} assume (if mlog_~x < 0 && 0 != mlog_~x % 2 then 1 + mlog_~x / 2 else mlog_~x / 2) >= -2147483648;mlog_~x := (if mlog_~x < 0 && 0 != mlog_~x % 2 then 1 + mlog_~x / 2 else mlog_~x / 2);mlog_#t~post0 := mlog_~res~0; {77#(<= |ULTIMATE.start_mlog_#t~post0| 0)} is VALID [2020-07-29 01:24:09,718 INFO L280 TraceCheckUtils]: 4: Hoare triple {77#(<= |ULTIMATE.start_mlog_#t~post0| 0)} assume !(1 + mlog_#t~post0 <= 2147483647); {75#false} is VALID [2020-07-29 01:24:09,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:24:09,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990660425] [2020-07-29 01:24:09,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:24:09,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:24:09,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486789839] [2020-07-29 01:24:09,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-07-29 01:24:09,722 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-29 01:24:09,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:24:09,731 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:24:09,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-29 01:24:09,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:24:09,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-29 01:24:09,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-29 01:24:09,733 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 4 states. [2020-07-29 01:24:09,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:24:09,797 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2020-07-29 01:24:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-29 01:24:09,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-07-29 01:24:09,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-29 01:24:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:24:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-07-29 01:24:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:24:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2020-07-29 01:24:09,802 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 15 transitions. [2020-07-29 01:24:09,822 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:24:09,824 INFO L225 Difference]: With dead ends: 15 [2020-07-29 01:24:09,824 INFO L226 Difference]: Without dead ends: 14 [2020-07-29 01:24:09,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-29 01:24:09,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-07-29 01:24:09,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2020-07-29 01:24:09,831 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:24:09,831 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand 12 states. [2020-07-29 01:24:09,831 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 12 states. [2020-07-29 01:24:09,832 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 12 states. [2020-07-29 01:24:09,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:24:09,834 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-07-29 01:24:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-07-29 01:24:09,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:24:09,834 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:24:09,835 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 14 states. [2020-07-29 01:24:09,835 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 14 states. [2020-07-29 01:24:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:24:09,837 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-07-29 01:24:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-07-29 01:24:09,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:24:09,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:24:09,838 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:24:09,838 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:24:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-29 01:24:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-07-29 01:24:09,840 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 5 [2020-07-29 01:24:09,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-29 01:24:09,840 INFO L479 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2020-07-29 01:24:09,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-29 01:24:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-07-29 01:24:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-29 01:24:09,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-29 01:24:09,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:24:09,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-29 01:24:09,842 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-07-29 01:24:09,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:24:09,843 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2020-07-29 01:24:09,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:24:09,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764717517] [2020-07-29 01:24:09,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:24:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:24:09,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-29 01:24:09,857 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-29 01:24:09,864 INFO L168 Benchmark]: Toolchain (without parser) took 1584.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -97.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:09,865 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:09,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.21 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:09,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.13 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:09,867 INFO L168 Benchmark]: Boogie Preprocessor took 91.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:09,868 INFO L168 Benchmark]: RCFGBuilder took 331.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:09,869 INFO L168 Benchmark]: TraceAbstraction took 870.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:09,873 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.21 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.13 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 331.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 870.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...