./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sumt8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 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/sumt8.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 b5c9f46ceef17a40f4c8c296250db6bb3816cee9 ..................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:52:40,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:52:40,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:52:40,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:52:40,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:52:40,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:52:40,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:52:40,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:52:40,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:52:40,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:52:40,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:52:40,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:52:40,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:52:40,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:52:40,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:52:40,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:52:40,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:52:40,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:52:40,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:52:40,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:52:40,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:52:40,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:52:40,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:52:40,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:52:40,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:52:40,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:52:40,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:52:40,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:52:40,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:52:40,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:52:40,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:52:40,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:52:40,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:52:40,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:52:40,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:52:40,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:52:40,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:52:40,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:52:40,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:52:40,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:52:40,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:52:40,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:52:41,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:52:41,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:52:41,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:52:41,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:52:41,015 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:52:41,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:52:41,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:52:41,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:52:41,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:52:41,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:52:41,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:52:41,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:52:41,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:52:41,019 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:52:41,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:52:41,019 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:52:41,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:52:41,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:52:41,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:52:41,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:52:41,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:52:41,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:52:41,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:52:41,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:52:41,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:52:41,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:52:41,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:52:41,023 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:52:41,023 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 -> b5c9f46ceef17a40f4c8c296250db6bb3816cee9 [2019-11-19 18:52:41,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:52:41,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:52:41,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:52:41,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:52:41,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:52:41,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/sumt8.c [2019-11-19 18:52:41,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ede3c9bb/56cd5476550b4a5293bb2cb64ea32597/FLAG7fc67a8a1 [2019-11-19 18:52:41,969 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:52:41,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/sumt8.c [2019-11-19 18:52:41,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ede3c9bb/56cd5476550b4a5293bb2cb64ea32597/FLAG7fc67a8a1 [2019-11-19 18:52:42,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ede3c9bb/56cd5476550b4a5293bb2cb64ea32597 [2019-11-19 18:52:42,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:52:42,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:52:42,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:52:42,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:52:42,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:52:42,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b4b0e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42, skipping insertion in model container [2019-11-19 18:52:42,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:52:42,360 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:52:42,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:52:42,566 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:52:42,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:52:42,599 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:52:42,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42 WrapperNode [2019-11-19 18:52:42,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:52:42,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:52:42,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:52:42,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:52:42,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:52:42,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:52:42,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:52:42,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:52:42,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (1/1) ... [2019-11-19 18:52:42,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:52:42,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:52:42,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:52:42,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:52:42,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (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 [2019-11-19 18:52:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:52:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:52:42,995 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:52:42,996 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 18:52:42,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:42 BoogieIcfgContainer [2019-11-19 18:52:42,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:52:42,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:52:42,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:52:43,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:52:43,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:52:42" (1/3) ... [2019-11-19 18:52:43,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bda06a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:43, skipping insertion in model container [2019-11-19 18:52:43,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:52:42" (2/3) ... [2019-11-19 18:52:43,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bda06a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:52:43, skipping insertion in model container [2019-11-19 18:52:43,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:42" (3/3) ... [2019-11-19 18:52:43,005 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt8.c [2019-11-19 18:52:43,013 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:52:43,021 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 18:52:43,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 18:52:43,057 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:52:43,057 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:52:43,058 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:52:43,058 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:52:43,058 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:52:43,058 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:52:43,058 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:52:43,059 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:52:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-19 18:52:43,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 18:52:43,077 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:52:43,078 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:52:43,079 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:52:43,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:52:43,084 INFO L82 PathProgramCache]: Analyzing trace with hash 183352048, now seen corresponding path program 1 times [2019-11-19 18:52:43,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:52:43,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870984689] [2019-11-19 18:52:43,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:52:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:52:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:52:43,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870984689] [2019-11-19 18:52:43,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:52:43,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 18:52:43,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028133231] [2019-11-19 18:52:43,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 18:52:43,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:52:43,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 18:52:43,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:52:43,516 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2019-11-19 18:52:43,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:52:43,656 INFO L93 Difference]: Finished difference Result 43 states and 65 transitions. [2019-11-19 18:52:43,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 18:52:43,658 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-19 18:52:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:52:43,669 INFO L225 Difference]: With dead ends: 43 [2019-11-19 18:52:43,670 INFO L226 Difference]: Without dead ends: 19 [2019-11-19 18:52:43,673 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 18:52:43,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-19 18:52:43,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-19 18:52:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-19 18:52:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2019-11-19 18:52:43,705 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 26 transitions. Word has length 8 [2019-11-19 18:52:43,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:52:43,706 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 26 transitions. [2019-11-19 18:52:43,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 18:52:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2019-11-19 18:52:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 18:52:43,707 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:52:43,707 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-11-19 18:52:43,708 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:52:43,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:52:43,708 INFO L82 PathProgramCache]: Analyzing trace with hash 486052837, now seen corresponding path program 1 times [2019-11-19 18:52:43,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:52:43,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084385643] [2019-11-19 18:52:43,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:52:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:52:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:52:43,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084385643] [2019-11-19 18:52:43,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060013338] [2019-11-19 18:52:43,925 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 [2019-11-19 18:52:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:52:43,970 WARN L253 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-19 18:52:43,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:52:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:52:44,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 18:52:44,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2019-11-19 18:52:44,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036505020] [2019-11-19 18:52:44,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 18:52:44,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:52:44,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 18:52:44,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:52:44,171 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. Second operand 9 states. [2019-11-19 18:52:44,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:52:44,363 INFO L93 Difference]: Finished difference Result 40 states and 61 transitions. [2019-11-19 18:52:44,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:52:44,363 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2019-11-19 18:52:44,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:52:44,364 INFO L225 Difference]: With dead ends: 40 [2019-11-19 18:52:44,365 INFO L226 Difference]: Without dead ends: 28 [2019-11-19 18:52:44,366 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-11-19 18:52:44,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-19 18:52:44,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2019-11-19 18:52:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-11-19 18:52:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2019-11-19 18:52:44,372 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 12 [2019-11-19 18:52:44,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:52:44,373 INFO L462 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2019-11-19 18:52:44,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 18:52:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2019-11-19 18:52:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 18:52:44,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:52:44,374 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:52:44,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:52:44,578 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:52:44,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:52:44,578 INFO L82 PathProgramCache]: Analyzing trace with hash -434311308, now seen corresponding path program 1 times [2019-11-19 18:52:44,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:52:44,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926380377] [2019-11-19 18:52:44,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:52:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:52:44,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 18:52:44,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926380377] [2019-11-19 18:52:44,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489812665] [2019-11-19 18:52:44,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:52:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:52:44,820 WARN L253 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 32 conjunts are in the unsatisfiable core [2019-11-19 18:52:44,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:52:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:52:45,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 18:52:45,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2019-11-19 18:52:45,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158391745] [2019-11-19 18:52:45,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-19 18:52:45,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:52:45,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 18:52:45,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-19 18:52:45,011 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand 10 states. [2019-11-19 18:52:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:52:45,270 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2019-11-19 18:52:45,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 18:52:45,271 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-11-19 18:52:45,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:52:45,272 INFO L225 Difference]: With dead ends: 28 [2019-11-19 18:52:45,272 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:52:45,273 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2019-11-19 18:52:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:52:45,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:52:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:52:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:52:45,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-19 18:52:45,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:52:45,274 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:52:45,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-19 18:52:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:52:45,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:52:45,475 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 18:52:45,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:52:45,643 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2019-11-19 18:52:45,647 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-19 18:52:45,647 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:52:45,647 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:52:45,647 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:52:45,647 INFO L444 ceAbstractionStarter]: For program point L28(lines 28 33) no Hoare annotation was computed. [2019-11-19 18:52:45,647 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 33) no Hoare annotation was computed. [2019-11-19 18:52:45,648 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-19 18:52:45,648 INFO L444 ceAbstractionStarter]: For program point L20(lines 20 33) no Hoare annotation was computed. [2019-11-19 18:52:45,648 INFO L444 ceAbstractionStarter]: For program point L16-2(lines 16 36) no Hoare annotation was computed. [2019-11-19 18:52:45,649 INFO L440 ceAbstractionStarter]: At program point L37(lines 11 38) the Hoare annotation is: (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (let ((.cse0 (+ ULTIMATE.start_main_~v1~0 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 ULTIMATE.start_main_~v5~0))) (and (<= 0 .cse0) (<= .cse0 ULTIMATE.start_main_~l~0) (<= ULTIMATE.start_main_~l~0 0)))) [2019-11-19 18:52:45,649 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-19 18:52:45,650 INFO L440 ceAbstractionStarter]: At program point L4-2(lines 3 36) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_main_~v1~0 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 ULTIMATE.start_main_~v5~0))) (let ((.cse1 (<= .cse0 ULTIMATE.start_main_~l~0))) (or (and (<= ULTIMATE.start_main_~l~0 .cse0) .cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (and (= ULTIMATE.start_main_~v4~0 0) (<= 0 .cse0) (= ULTIMATE.start_main_~v1~0 0) .cse1 (= ULTIMATE.start_main_~v2~0 0) (<= ULTIMATE.start_main_~l~0 0) (= ULTIMATE.start_main_~k~0 0) (= ULTIMATE.start_main_~i~0 0) (= ULTIMATE.start_main_~v3~0 0) (= ULTIMATE.start_main_~j~0 0))))) [2019-11-19 18:52:45,651 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:52:45,651 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-19 18:52:45,651 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 33) no Hoare annotation was computed. [2019-11-19 18:52:45,651 INFO L444 ceAbstractionStarter]: For program point L30-2(lines 18 33) no Hoare annotation was computed. [2019-11-19 18:52:45,651 INFO L444 ceAbstractionStarter]: For program point L26(lines 26 33) no Hoare annotation was computed. [2019-11-19 18:52:45,651 INFO L444 ceAbstractionStarter]: For program point L22(lines 22 33) no Hoare annotation was computed. [2019-11-19 18:52:45,652 INFO L444 ceAbstractionStarter]: For program point L18(lines 18 33) no Hoare annotation was computed. [2019-11-19 18:52:45,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:52:45 BoogieIcfgContainer [2019-11-19 18:52:45,698 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:52:45,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:52:45,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:52:45,699 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:52:45,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:52:42" (3/4) ... [2019-11-19 18:52:45,705 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 18:52:45,718 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 18:52:45,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 18:52:45,824 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 18:52:45,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:52:45,827 INFO L168 Benchmark]: Toolchain (without parser) took 3503.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 960.4 MB in the beginning and 859.5 MB in the end (delta: 100.9 MB). Peak memory consumption was 184.2 MB. Max. memory is 11.5 GB. [2019-11-19 18:52:45,827 INFO L168 Benchmark]: CDTParser took 0.62 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. [2019-11-19 18:52:45,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 948.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-19 18:52:45,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:52:45,829 INFO L168 Benchmark]: Boogie Preprocessor took 80.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -124.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-19 18:52:45,830 INFO L168 Benchmark]: RCFGBuilder took 277.06 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. [2019-11-19 18:52:45,834 INFO L168 Benchmark]: TraceAbstraction took 2699.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 866.3 MB in the end (delta: 181.4 MB). Peak memory consumption was 181.4 MB. Max. memory is 11.5 GB. [2019-11-19 18:52:45,835 INFO L168 Benchmark]: Witness Printer took 126.24 ms. Allocated memory is still 1.1 GB. Free memory was 866.3 MB in the beginning and 859.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 18:52:45,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 275.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 948.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 1.0 GB. Free memory is still 948.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -124.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 277.06 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 2699.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 866.3 MB in the end (delta: 181.4 MB). Peak memory consumption was 181.4 MB. Max. memory is 11.5 GB. * Witness Printer took 126.24 ms. Allocated memory is still 1.1 GB. Free memory was 866.3 MB in the beginning and 859.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 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: 11]: Loop Invariant Derived loop invariant: !(0 == cond) || ((0 <= v1 + v2 + i + v3 + v4 + k + j + v5 && v1 + v2 + i + v3 + v4 + k + j + v5 <= l) && l <= 0) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ((l <= v1 + v2 + i + v3 + v4 + k + j + v5 && v1 + v2 + i + v3 + v4 + k + j + v5 <= l) && 1 == cond) || (((((((((v4 == 0 && 0 <= v1 + v2 + i + v3 + v4 + k + j + v5) && v1 == 0) && v1 + v2 + i + v3 + v4 + k + j + v5 <= l) && v2 == 0) && l <= 0) && k == 0) && i == 0) && v3 == 0) && j == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 43 SDtfs, 61 SDslu, 67 SDs, 0 SdLazy, 230 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=2, 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 7 NumberOfFragments, 105 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 16413 SizeOfPredicates, 22 NumberOfNonLiveVariables, 111 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 5/16 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...