./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6450f1ab8e8876cd25bd9465d040f8eaf1b1860b ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:59:59,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:59:59,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:59:59,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:59:59,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:59:59,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:59:59,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:59:59,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:59:59,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:59:59,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:59:59,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:59:59,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:59:59,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:59:59,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:59:59,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:59:59,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:59:59,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:59:59,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:59:59,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:59:59,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:59:59,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:59:59,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:59:59,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:59:59,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:59:59,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:59:59,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:59:59,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:59:59,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:59:59,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:59:59,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:59:59,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:59:59,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:59:59,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:59:59,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:59:59,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:59:59,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:59:59,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:59:59,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:59:59,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:59:59,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:59:59,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:59:59,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:59:59,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:59:59,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:59:59,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:59:59,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:59:59,559 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:59:59,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:59:59,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:59:59,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:59:59,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:59:59,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:59:59,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:59:59,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:59:59,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:59:59,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:59:59,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:59:59,562 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:59:59,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:59:59,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:59:59,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:59:59,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:59:59,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:59:59,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:59:59,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:59:59,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:59:59,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:59:59,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:59:59,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:59:59,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:59:59,565 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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6450f1ab8e8876cd25bd9465d040f8eaf1b1860b [2019-11-27 23:59:59,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:59:59,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:59:59,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:59:59,944 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:59:59,944 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:59:59,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-11-28 00:00:00,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a8f7277/bbf9d34f81b44ce6995426075ec3921e/FLAG3cd3cadd4 [2019-11-28 00:00:00,458 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:00:00,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-11-28 00:00:00,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a8f7277/bbf9d34f81b44ce6995426075ec3921e/FLAG3cd3cadd4 [2019-11-28 00:00:00,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a8f7277/bbf9d34f81b44ce6995426075ec3921e [2019-11-28 00:00:00,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:00:00,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:00:00,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:00:00,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:00:00,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:00:00,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:00:00" (1/1) ... [2019-11-28 00:00:00,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f677360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:00, skipping insertion in model container [2019-11-28 00:00:00,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:00:00" (1/1) ... [2019-11-28 00:00:00,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:00:00,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:00:01,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:00:01,116 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:00:01,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:00:01,229 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:00:01,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01 WrapperNode [2019-11-28 00:00:01,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:00:01,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:00:01,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:00:01,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:00:01,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:00:01,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:00:01,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:00:01,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:00:01,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... [2019-11-28 00:00:01,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:00:01,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:00:01,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:00:01,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:00:01,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:00:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:00:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:00:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:00:01,403 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-11-28 00:00:01,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:00:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:00:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:00:01,785 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:00:01,785 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-28 00:00:01,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:01 BoogieIcfgContainer [2019-11-28 00:00:01,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:00:01,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:00:01,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:00:01,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:00:01,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:00:00" (1/3) ... [2019-11-28 00:00:01,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c56055d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:00:01, skipping insertion in model container [2019-11-28 00:00:01,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:00:01" (2/3) ... [2019-11-28 00:00:01,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c56055d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:00:01, skipping insertion in model container [2019-11-28 00:00:01,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:01" (3/3) ... [2019-11-28 00:00:01,800 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-11-28 00:00:01,811 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:00:01,817 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 00:00:01,828 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 00:00:01,851 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:00:01,851 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:00:01,851 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:00:01,852 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:00:01,852 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:00:01,852 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:00:01,852 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:00:01,852 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:00:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-11-28 00:00:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:00:01,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:00:01,877 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:00:01,877 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:00:01,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:00:01,884 INFO L82 PathProgramCache]: Analyzing trace with hash 297203850, now seen corresponding path program 1 times [2019-11-28 00:00:01,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:00:01,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989235915] [2019-11-28 00:00:01,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:00:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:00:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:00:02,058 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989235915] [2019-11-28 00:00:02,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:00:02,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:00:02,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739191963] [2019-11-28 00:00:02,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:00:02,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:00:02,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:00:02,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:00:02,082 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 3 states. [2019-11-28 00:00:02,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:00:02,131 INFO L93 Difference]: Finished difference Result 74 states and 110 transitions. [2019-11-28 00:00:02,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:00:02,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:00:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:00:02,149 INFO L225 Difference]: With dead ends: 74 [2019-11-28 00:00:02,149 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 00:00:02,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:00:02,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 00:00:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2019-11-28 00:00:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-11-28 00:00:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2019-11-28 00:00:02,202 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 20 [2019-11-28 00:00:02,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:00:02,203 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2019-11-28 00:00:02,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:00:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2019-11-28 00:00:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:00:02,206 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:00:02,206 INFO L410 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] [2019-11-28 00:00:02,206 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:00:02,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:00:02,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1628968459, now seen corresponding path program 1 times [2019-11-28 00:00:02,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:00:02,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567222670] [2019-11-28 00:00:02,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:00:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:00:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 00:00:02,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567222670] [2019-11-28 00:00:02,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:00:02,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:00:02,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427823630] [2019-11-28 00:00:02,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:00:02,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:00:02,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:00:02,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:00:02,286 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand 3 states. [2019-11-28 00:00:02,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:00:02,324 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2019-11-28 00:00:02,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:00:02,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:00:02,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:00:02,326 INFO L225 Difference]: With dead ends: 62 [2019-11-28 00:00:02,326 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 00:00:02,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:00:02,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 00:00:02,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-28 00:00:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-28 00:00:02,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2019-11-28 00:00:02,336 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 26 [2019-11-28 00:00:02,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:00:02,337 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2019-11-28 00:00:02,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:00:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2019-11-28 00:00:02,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:00:02,338 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:00:02,338 INFO L410 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] [2019-11-28 00:00:02,340 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:00:02,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:00:02,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1644930483, now seen corresponding path program 1 times [2019-11-28 00:00:02,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:00:02,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675562876] [2019-11-28 00:00:02,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:00:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:00:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 00:00:02,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675562876] [2019-11-28 00:00:02,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:00:02,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:00:02,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937107411] [2019-11-28 00:00:02,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:00:02,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:00:02,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:00:02,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:00:02,452 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand 4 states. [2019-11-28 00:00:02,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:00:02,543 INFO L93 Difference]: Finished difference Result 58 states and 77 transitions. [2019-11-28 00:00:02,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:00:02,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-11-28 00:00:02,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:00:02,544 INFO L225 Difference]: With dead ends: 58 [2019-11-28 00:00:02,545 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:00:02,545 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:00:02,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:00:02,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:00:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:00:02,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:00:02,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-11-28 00:00:02,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:00:02,547 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:00:02,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:00:02,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:00:02,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:00:02,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:00:02,606 INFO L246 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2019-11-28 00:00:02,606 INFO L246 CegarLoopResult]: For program point L60-2(line 60) no Hoare annotation was computed. [2019-11-28 00:00:02,607 INFO L246 CegarLoopResult]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2019-11-28 00:00:02,607 INFO L246 CegarLoopResult]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2019-11-28 00:00:02,607 INFO L246 CegarLoopResult]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2019-11-28 00:00:02,607 INFO L242 CegarLoopResult]: At program point L52-4(lines 52 73) the Hoare annotation is: (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< ULTIMATE.start_parse_expression_list_~j~0 (+ ULTIMATE.start_parse_expression_list_~start~0 1))) [2019-11-28 00:00:02,607 INFO L246 CegarLoopResult]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2019-11-28 00:00:02,607 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:00:02,608 INFO L246 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-11-28 00:00:02,608 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:00:02,609 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-28 00:00:02,609 INFO L242 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< ULTIMATE.start_parse_expression_list_~j~0 (+ ULTIMATE.start_parse_expression_list_~start~0 1))) [2019-11-28 00:00:02,609 INFO L246 CegarLoopResult]: For program point L62(lines 62 64) no Hoare annotation was computed. [2019-11-28 00:00:02,610 INFO L246 CegarLoopResult]: For program point L54(lines 54 72) no Hoare annotation was computed. [2019-11-28 00:00:02,611 INFO L246 CegarLoopResult]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2019-11-28 00:00:02,611 INFO L249 CegarLoopResult]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2019-11-28 00:00:02,611 INFO L246 CegarLoopResult]: For program point L79-4(lines 79 81) no Hoare annotation was computed. [2019-11-28 00:00:02,612 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-28 00:00:02,613 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-28 00:00:02,613 INFO L242 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (< ULTIMATE.start_parse_expression_list_~j~0 (+ ULTIMATE.start_parse_expression_list_~start~0 1)) [2019-11-28 00:00:02,613 INFO L246 CegarLoopResult]: For program point L56-1(line 56) no Hoare annotation was computed. [2019-11-28 00:00:02,613 INFO L246 CegarLoopResult]: For program point L56-3(line 56) no Hoare annotation was computed. [2019-11-28 00:00:02,614 INFO L242 CegarLoopResult]: At program point L56-5(line 56) the Hoare annotation is: (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< ULTIMATE.start_parse_expression_list_~j~0 (+ ULTIMATE.start_parse_expression_list_~start~0 1))) [2019-11-28 00:00:02,614 INFO L246 CegarLoopResult]: For program point L56-6(line 56) no Hoare annotation was computed. [2019-11-28 00:00:02,614 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:00:02,614 INFO L246 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2019-11-28 00:00:02,615 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-28 00:00:02,615 INFO L246 CegarLoopResult]: For program point L57-2(line 57) no Hoare annotation was computed. [2019-11-28 00:00:02,615 INFO L249 CegarLoopResult]: At program point L74(lines 47 75) the Hoare annotation is: true [2019-11-28 00:00:02,615 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:00:02,615 INFO L246 CegarLoopResult]: For program point L59-1(line 59) no Hoare annotation was computed. [2019-11-28 00:00:02,616 INFO L246 CegarLoopResult]: For program point L59-2(line 59) no Hoare annotation was computed. [2019-11-28 00:00:02,616 INFO L246 CegarLoopResult]: For program point L59-4(line 59) no Hoare annotation was computed. [2019-11-28 00:00:02,616 INFO L246 CegarLoopResult]: For program point L59-6(line 59) no Hoare annotation was computed. [2019-11-28 00:00:02,616 INFO L249 CegarLoopResult]: At program point L84(lines 76 85) the Hoare annotation is: true [2019-11-28 00:00:02,616 INFO L246 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2019-11-28 00:00:02,617 INFO L249 CegarLoopResult]: At program point L59-8(line 59) the Hoare annotation is: true [2019-11-28 00:00:02,617 INFO L246 CegarLoopResult]: For program point L59-9(line 59) no Hoare annotation was computed. [2019-11-28 00:00:02,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:00:02 BoogieIcfgContainer [2019-11-28 00:00:02,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:00:02,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:00:02,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:00:02,643 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:00:02,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:00:01" (3/4) ... [2019-11-28 00:00:02,649 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:00:02,667 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-28 00:00:02,667 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 00:00:02,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:00:02,768 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:00:02,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:00:02,771 INFO L168 Benchmark]: Toolchain (without parser) took 1900.18 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -60.1 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:00:02,773 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:00:02,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:00:02,775 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:00:02,777 INFO L168 Benchmark]: Boogie Preprocessor took 29.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:00:02,780 INFO L168 Benchmark]: RCFGBuilder took 462.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:00:02,781 INFO L168 Benchmark]: TraceAbstraction took 854.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:00:02,782 INFO L168 Benchmark]: Witness Printer took 125.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:00:02,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 462.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 854.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * Witness Printer took 125.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: j < start + 1 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: !(0 == cond) || j < start + 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: !(0 == cond) && j < start + 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: !(0 == cond) || j < start + 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 154 SDtfs, 50 SDslu, 142 SDs, 0 SdLazy, 49 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 20 NumberOfFragments, 39 HoareAnnotationTreeSize, 8 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 1824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...