./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sumt6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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-crafted-1/sumt6.c -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 b2d6436292c43c9d1f9f0e696303340ddfde1005 ............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:09:58,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:09:58,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:09:58,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:09:58,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:09:58,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:09:58,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:09:58,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:09:58,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:09:58,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:09:58,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:09:58,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:09:58,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:09:58,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:09:58,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:09:58,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:09:58,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:09:58,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:09:58,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:09:58,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:09:58,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:09:58,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:09:58,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:09:58,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:09:58,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:09:58,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:09:58,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:09:58,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:09:58,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:09:58,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:09:58,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:09:58,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:09:58,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:09:58,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:09:58,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:09:58,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:09:58,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:09:58,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:09:58,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:09:58,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:09:58,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:09:58,956 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:09:58,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:09:58,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:09:58,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:09:58,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:09:58,985 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:09:58,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:09:58,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:09:58,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:09:58,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:09:58,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:09:58,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:09:58,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:09:58,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:09:58,988 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:09:58,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:09:58,989 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:09:58,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:09:58,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:09:58,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:09:58,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:09:58,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:09:58,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:09:58,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:09:58,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:09:58,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:09:58,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:09:58,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:09:58,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:09:58,992 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:09:58,992 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 -> b2d6436292c43c9d1f9f0e696303340ddfde1005 [2019-11-28 17:09:59,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:09:59,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:09:59,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:09:59,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:09:59,323 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:09:59,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/sumt6.c [2019-11-28 17:09:59,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260c049b2/8dde1aeb2513417d9bcc7803992cfa89/FLAG37029e367 [2019-11-28 17:09:59,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:09:59,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/sumt6.c [2019-11-28 17:09:59,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260c049b2/8dde1aeb2513417d9bcc7803992cfa89/FLAG37029e367 [2019-11-28 17:10:00,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/260c049b2/8dde1aeb2513417d9bcc7803992cfa89 [2019-11-28 17:10:00,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:10:00,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:10:00,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:10:00,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:10:00,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:10:00,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,270 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7f0d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00, skipping insertion in model container [2019-11-28 17:10:00,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:10:00,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:10:00,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:10:00,500 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:10:00,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:10:00,541 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:10:00,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00 WrapperNode [2019-11-28 17:10:00,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:10:00,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:10:00,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:10:00,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:10:00,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:10:00,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:10:00,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:10:00,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:10:00,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (1/1) ... [2019-11-28 17:10:00,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:10:00,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:10:00,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:10:00,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:10:00,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (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 17:10:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:10:00,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:10:00,948 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:10:00,948 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 17:10:00,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:00 BoogieIcfgContainer [2019-11-28 17:10:00,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:10:00,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:10:00,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:10:00,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:10:00,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:10:00" (1/3) ... [2019-11-28 17:10:00,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709e6099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:00, skipping insertion in model container [2019-11-28 17:10:00,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:10:00" (2/3) ... [2019-11-28 17:10:00,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709e6099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:10:00, skipping insertion in model container [2019-11-28 17:10:00,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:00" (3/3) ... [2019-11-28 17:10:00,979 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt6.c [2019-11-28 17:10:01,008 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:10:01,019 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 17:10:01,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 17:10:01,058 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:10:01,058 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:10:01,058 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:10:01,058 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:10:01,058 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:10:01,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:10:01,059 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:10:01,059 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:10:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-28 17:10:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 17:10:01,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:01,082 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:01,082 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:01,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:01,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1807920648, now seen corresponding path program 1 times [2019-11-28 17:10:01,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:10:01,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83393267] [2019-11-28 17:10:01,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:10:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:01,199 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 17:10:01,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83393267] [2019-11-28 17:10:01,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:10:01,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:10:01,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509661972] [2019-11-28 17:10:01,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:10:01,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:10:01,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:10:01,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:10:01,229 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-28 17:10:01,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:10:01,248 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-11-28 17:10:01,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:10:01,250 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-28 17:10:01,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:10:01,262 INFO L225 Difference]: With dead ends: 26 [2019-11-28 17:10:01,263 INFO L226 Difference]: Without dead ends: 14 [2019-11-28 17:10:01,266 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:10:01,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-28 17:10:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-28 17:10:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-28 17:10:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2019-11-28 17:10:01,307 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 19 transitions. Word has length 7 [2019-11-28 17:10:01,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:10:01,308 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-28 17:10:01,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:10:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2019-11-28 17:10:01,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-28 17:10:01,310 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:01,310 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:01,312 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:01,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:01,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1806997127, now seen corresponding path program 1 times [2019-11-28 17:10:01,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:10:01,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651820347] [2019-11-28 17:10:01,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:10:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:01,819 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-11-28 17:10:01,862 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 17:10:01,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651820347] [2019-11-28 17:10:01,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:10:01,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:10:01,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914961057] [2019-11-28 17:10:01,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:10:01,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:10:01,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:10:01,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:10:01,870 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand 5 states. [2019-11-28 17:10:04,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:10:04,073 INFO L93 Difference]: Finished difference Result 24 states and 34 transitions. [2019-11-28 17:10:04,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:10:04,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-11-28 17:10:04,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:10:04,074 INFO L225 Difference]: With dead ends: 24 [2019-11-28 17:10:04,075 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 17:10:04,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:10:04,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 17:10:04,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2019-11-28 17:10:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 17:10:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-28 17:10:04,081 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 20 transitions. Word has length 7 [2019-11-28 17:10:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:10:04,082 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-28 17:10:04,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:10:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2019-11-28 17:10:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 17:10:04,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:10:04,083 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:10:04,085 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:10:04,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:10:04,086 INFO L82 PathProgramCache]: Analyzing trace with hash 97163591, now seen corresponding path program 1 times [2019-11-28 17:10:04,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:10:04,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045841877] [2019-11-28 17:10:04,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:10:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:04,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045841877] [2019-11-28 17:10:04,557 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365996803] [2019-11-28 17:10:04,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:10:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:10:04,605 WARN L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-28 17:10:04,614 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:10:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:10:04,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:10:04,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2019-11-28 17:10:04,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298459055] [2019-11-28 17:10:04,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 17:10:04,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:10:04,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 17:10:04,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-28 17:10:04,777 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. Second operand 12 states. [2019-11-28 17:10:05,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:10:05,260 INFO L93 Difference]: Finished difference Result 34 states and 52 transitions. [2019-11-28 17:10:05,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 17:10:05,261 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 10 [2019-11-28 17:10:05,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:10:05,262 INFO L225 Difference]: With dead ends: 34 [2019-11-28 17:10:05,262 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:10:05,263 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2019-11-28 17:10:05,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:10:05,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:10:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:10:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:10:05,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-28 17:10:05,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:10:05,266 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:10:05,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 17:10:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:10:05,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:10:05,469 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:10:05,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:10:05,545 INFO L246 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-28 17:10:05,545 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:10:05,545 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:10:05,545 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:10:05,546 INFO L246 CegarLoopResult]: For program point L24(lines 24 29) no Hoare annotation was computed. [2019-11-28 17:10:05,546 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-28 17:10:05,546 INFO L246 CegarLoopResult]: For program point L20(lines 20 29) no Hoare annotation was computed. [2019-11-28 17:10:05,547 INFO L242 CegarLoopResult]: At program point L16-2(lines 16 31) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v3~0 ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~j~0))) (and (<= .cse0 ULTIMATE.start_main_~l~0) (<= ULTIMATE.start_main_~l~0 .cse0))) [2019-11-28 17:10:05,547 INFO L246 CegarLoopResult]: For program point L16-3(lines 16 31) no Hoare annotation was computed. [2019-11-28 17:10:05,547 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-28 17:10:05,547 INFO L249 CegarLoopResult]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-11-28 17:10:05,547 INFO L249 CegarLoopResult]: At program point L33(lines 11 34) the Hoare annotation is: true [2019-11-28 17:10:05,548 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:10:05,548 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-28 17:10:05,548 INFO L246 CegarLoopResult]: For program point L26(lines 26 29) no Hoare annotation was computed. [2019-11-28 17:10:05,548 INFO L246 CegarLoopResult]: For program point L26-2(lines 18 29) no Hoare annotation was computed. [2019-11-28 17:10:05,548 INFO L246 CegarLoopResult]: For program point L22(lines 22 29) no Hoare annotation was computed. [2019-11-28 17:10:05,548 INFO L246 CegarLoopResult]: For program point L18(lines 18 29) no Hoare annotation was computed. [2019-11-28 17:10:05,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:10:05 BoogieIcfgContainer [2019-11-28 17:10:05,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:10:05,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:10:05,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:10:05,570 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:10:05,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:10:00" (3/4) ... [2019-11-28 17:10:05,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:10:05,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 17:10:05,589 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:10:05,643 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:10:05,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:10:05,645 INFO L168 Benchmark]: Toolchain (without parser) took 5387.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 956.3 MB in the beginning and 900.6 MB in the end (delta: 55.8 MB). Peak memory consumption was 148.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:05,646 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:10:05,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.07 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:05,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:05,648 INFO L168 Benchmark]: Boogie Preprocessor took 23.14 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:05,649 INFO L168 Benchmark]: RCFGBuilder took 300.64 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:05,649 INFO L168 Benchmark]: TraceAbstraction took 4616.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 900.6 MB in the end (delta: 156.7 MB). Peak memory consumption was 156.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:10:05,650 INFO L168 Benchmark]: Witness Printer took 73.82 ms. Allocated memory is still 1.1 GB. Free memory is still 900.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:10:05,654 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.07 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 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 82.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -143.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.14 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 300.64 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4616.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 900.6 MB in the end (delta: 156.7 MB). Peak memory consumption was 156.7 MB. Max. memory is 11.5 GB. * Witness Printer took 73.82 ms. Allocated memory is still 1.1 GB. Free memory is still 900.6 MB. There was no memory consumed. 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: v2 + i + v3 + v4 + k + j <= l && l <= v2 + i + v3 + v4 + k + j - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 4.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 33 SDtfs, 33 SDslu, 25 SDs, 0 SdLazy, 167 SolverSat, 18 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 21 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 113 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 5370 SizeOfPredicates, 9 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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...