./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sumt9.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sumt9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer --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 bdd7115d65c9a3a6791dc02cc87e637acb15a61f ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:04:51,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:04:51,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:04:51,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:04:51,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:04:51,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:04:51,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:04:51,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:04:51,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:04:51,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:04:51,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:04:51,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:04:51,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:04:51,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:04:51,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:04:51,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:04:51,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:04:51,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:04:51,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:04:51,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:04:51,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:04:51,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:04:51,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:04:51,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:04:51,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:04:51,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:04:51,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:04:51,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:04:51,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:04:51,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:04:51,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:04:51,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:04:51,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:04:51,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:04:51,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:04:51,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:04:51,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:04:51,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:04:51,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:04:51,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:04:51,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:04:51,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:04:51,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:04:51,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:04:51,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:04:51,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:04:51,890 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:04:51,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:04:51,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:04:51,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:04:51,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:04:51,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:04:51,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:04:51,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:04:51,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:04:51,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:04:51,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:04:51,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:04:51,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:04:51,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:04:51,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:04:51,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:04:51,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:04:51,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:04:51,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:04:51,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:04:51,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:04:51,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:04:51,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:04:51,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:04:51,893 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:04:51,893 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer 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 -> bdd7115d65c9a3a6791dc02cc87e637acb15a61f [2019-12-07 14:04:51,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:04:52,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:04:52,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:04:52,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:04:52,009 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:04:52,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/../../sv-benchmarks/c/loops-crafted-1/sumt9.c [2019-12-07 14:04:52,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/data/25213ef48/b8dada8636ec4788adcca6ac42f743bc/FLAGe68f818ba [2019-12-07 14:04:52,452 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:04:52,453 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/sv-benchmarks/c/loops-crafted-1/sumt9.c [2019-12-07 14:04:52,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/data/25213ef48/b8dada8636ec4788adcca6ac42f743bc/FLAGe68f818ba [2019-12-07 14:04:52,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/data/25213ef48/b8dada8636ec4788adcca6ac42f743bc [2019-12-07 14:04:52,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:04:52,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:04:52,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:04:52,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:04:52,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:04:52,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e573a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52, skipping insertion in model container [2019-12-07 14:04:52,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:04:52,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:04:52,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:04:52,594 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:04:52,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:04:52,654 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:04:52,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52 WrapperNode [2019-12-07 14:04:52,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:04:52,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:04:52,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:04:52,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:04:52,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:04:52,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:04:52,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:04:52,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:04:52,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... [2019-12-07 14:04:52,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:04:52,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:04:52,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:04:52,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:04:52,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/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 [2019-12-07 14:04:52,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:04:52,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:04:52,875 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:04:52,875 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 14:04:52,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:04:52 BoogieIcfgContainer [2019-12-07 14:04:52,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:04:52,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:04:52,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:04:52,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:04:52,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:04:52" (1/3) ... [2019-12-07 14:04:52,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5ebb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:04:52, skipping insertion in model container [2019-12-07 14:04:52,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:04:52" (2/3) ... [2019-12-07 14:04:52,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5ebb93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:04:52, skipping insertion in model container [2019-12-07 14:04:52,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:04:52" (3/3) ... [2019-12-07 14:04:52,881 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt9.c [2019-12-07 14:04:52,887 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:04:52,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:04:52,899 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:04:52,913 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:04:52,914 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:04:52,914 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:04:52,914 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:04:52,914 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:04:52,914 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:04:52,914 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:04:52,914 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:04:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-12-07 14:04:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 14:04:52,926 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:04:52,927 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:04:52,927 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:04:52,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:04:52,931 INFO L82 PathProgramCache]: Analyzing trace with hash 183357013, now seen corresponding path program 1 times [2019-12-07 14:04:52,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:04:52,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584259246] [2019-12-07 14:04:52,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:04:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:04:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:04:53,173 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584259246] [2019-12-07 14:04:53,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:04:53,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 14:04:53,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092069994] [2019-12-07 14:04:53,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 14:04:53,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:04:53,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 14:04:53,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:04:53,193 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2019-12-07 14:04:53,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:04:53,284 INFO L93 Difference]: Finished difference Result 45 states and 69 transitions. [2019-12-07 14:04:53,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 14:04:53,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-12-07 14:04:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:04:53,293 INFO L225 Difference]: With dead ends: 45 [2019-12-07 14:04:53,293 INFO L226 Difference]: Without dead ends: 20 [2019-12-07 14:04:53,295 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 14:04:53,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-12-07 14:04:53,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-12-07 14:04:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-12-07 14:04:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2019-12-07 14:04:53,322 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 28 transitions. Word has length 8 [2019-12-07 14:04:53,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:04:53,323 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 28 transitions. [2019-12-07 14:04:53,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 14:04:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-12-07 14:04:53,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 14:04:53,323 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:04:53,324 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2019-12-07 14:04:53,324 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:04:53,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:04:53,324 INFO L82 PathProgramCache]: Analyzing trace with hash 771754666, now seen corresponding path program 1 times [2019-12-07 14:04:53,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:04:53,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557353445] [2019-12-07 14:04:53,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:04:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:04:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:04:53,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557353445] [2019-12-07 14:04:53,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608222376] [2019-12-07 14:04:53,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/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 [2019-12-07 14:04:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:04:53,538 WARN L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 34 conjunts are in the unsatisfiable core [2019-12-07 14:04:53,542 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:04:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:04:53,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:04:53,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 9 [2019-12-07 14:04:53,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989392406] [2019-12-07 14:04:53,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-07 14:04:53,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:04:53,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-07 14:04:53,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-12-07 14:04:53,664 INFO L87 Difference]: Start difference. First operand 20 states and 28 transitions. Second operand 9 states. [2019-12-07 14:04:54,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:04:54,420 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2019-12-07 14:04:54,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 14:04:54,421 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 12 [2019-12-07 14:04:54,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:04:54,422 INFO L225 Difference]: With dead ends: 43 [2019-12-07 14:04:54,422 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 14:04:54,423 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 [2019-12-07 14:04:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 14:04:54,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2019-12-07 14:04:54,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-12-07 14:04:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2019-12-07 14:04:54,429 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 12 [2019-12-07 14:04:54,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:04:54,429 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2019-12-07 14:04:54,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-12-07 14:04:54,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2019-12-07 14:04:54,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 14:04:54,430 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:04:54,430 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:04:54,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:04:54,632 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:04:54,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:04:54,632 INFO L82 PathProgramCache]: Analyzing trace with hash -278498073, now seen corresponding path program 1 times [2019-12-07 14:04:54,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:04:54,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566942650] [2019-12-07 14:04:54,633 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:04:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:04:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 14:04:54,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566942650] [2019-12-07 14:04:54,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547155836] [2019-12-07 14:04:54,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/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 [2019-12-07 14:04:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:04:54,779 WARN L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 34 conjunts are in the unsatisfiable core [2019-12-07 14:04:54,780 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:04:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:04:54,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 14:04:54,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2019-12-07 14:04:54,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259757385] [2019-12-07 14:04:54,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 14:04:54,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:04:54,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 14:04:54,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-12-07 14:04:54,875 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand 10 states. [2019-12-07 14:04:55,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:04:55,026 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2019-12-07 14:04:55,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 14:04:55,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2019-12-07 14:04:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:04:55,027 INFO L225 Difference]: With dead ends: 30 [2019-12-07 14:04:55,027 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:04:55,028 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2019-12-07 14:04:55,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:04:55,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:04:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:04:55,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:04:55,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-12-07 14:04:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:04:55,029 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:04:55,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 14:04:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:04:55,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:04:55,230 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 14:04:55,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:04:55,591 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2019-12-07 14:04:55,592 INFO L246 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2019-12-07 14:04:55,592 INFO L246 CegarLoopResult]: For program point L32(lines 32 35) no Hoare annotation was computed. [2019-12-07 14:04:55,592 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point L32-2(lines 18 35) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point L28(lines 28 35) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point L24(lines 24 35) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point L20(lines 20 35) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point L16-2(lines 16 38) no Hoare annotation was computed. [2019-12-07 14:04:55,593 INFO L246 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-12-07 14:04:55,594 INFO L242 CegarLoopResult]: At program point L4-2(lines 3 38) the Hoare annotation is: (let ((.cse2 (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~v6~0 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 ((.cse0 (<= .cse2 ULTIMATE.start_main_~l~0)) (.cse1 (<= ULTIMATE.start_main_~l~0 .cse2))) (or (and (= ULTIMATE.start_main_~v5~0 0) (= ULTIMATE.start_main_~v4~0 0) (= ULTIMATE.start_main_~l~0 0) (= ULTIMATE.start_main_~v1~0 0) (= ULTIMATE.start_main_~k~0 0) (= ULTIMATE.start_main_~i~0 0) (= ULTIMATE.start_main_~v3~0 0) .cse0 (= ULTIMATE.start_main_~v6~0 0) (= ULTIMATE.start_main_~j~0 0) .cse1) (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 .cse1)))) [2019-12-07 14:04:55,594 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:04:55,594 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-12-07 14:04:55,594 INFO L246 CegarLoopResult]: For program point L30(lines 30 35) no Hoare annotation was computed. [2019-12-07 14:04:55,594 INFO L246 CegarLoopResult]: For program point L26(lines 26 35) no Hoare annotation was computed. [2019-12-07 14:04:55,594 INFO L246 CegarLoopResult]: For program point L22(lines 22 35) no Hoare annotation was computed. [2019-12-07 14:04:55,594 INFO L246 CegarLoopResult]: For program point L18(lines 18 35) no Hoare annotation was computed. [2019-12-07 14:04:55,594 INFO L242 CegarLoopResult]: At program point L39(lines 11 40) the Hoare annotation is: (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (let ((.cse0 (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~v6~0 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 (<= ULTIMATE.start_main_~l~0 0) (<= 0 ULTIMATE.start_main_~l~0) (<= .cse0 ULTIMATE.start_main_~l~0) (<= ULTIMATE.start_main_~l~0 .cse0)))) [2019-12-07 14:04:55,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:04:55 BoogieIcfgContainer [2019-12-07 14:04:55,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:04:55,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:04:55,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:04:55,608 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:04:55,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:04:52" (3/4) ... [2019-12-07 14:04:55,611 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:04:55,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 14:04:55,618 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 14:04:55,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b7a486d-8d41-4a01-a6af-2020bba34fa2/bin/uautomizer/witness.graphml [2019-12-07 14:04:55,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:04:55,653 INFO L168 Benchmark]: Toolchain (without parser) took 3185.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 948.9 MB in the beginning and 867.8 MB in the end (delta: 81.1 MB). Peak memory consumption was 181.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:04:55,653 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:04:55,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:04:55,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:04:55,654 INFO L168 Benchmark]: Boogie Preprocessor took 14.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:04:55,655 INFO L168 Benchmark]: RCFGBuilder took 182.99 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:04:55,655 INFO L168 Benchmark]: TraceAbstraction took 2731.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.8 MB in the end (delta: 204.6 MB). Peak memory consumption was 204.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:04:55,656 INFO L168 Benchmark]: Witness Printer took 43.89 ms. Allocated memory is still 1.1 GB. Free memory is still 867.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:04:55,658 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 182.99 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2731.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.8 MB in the end (delta: 204.6 MB). Peak memory consumption was 204.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.89 ms. Allocated memory is still 1.1 GB. Free memory is still 867.8 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: !(0 == cond) || (((l <= 0 && 0 <= l) && v1 + v6 + v2 + i + v3 + v4 + k + j + v5 <= l) && l <= v1 + v6 + v2 + i + v3 + v4 + k + j + v5) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ((((((((((v5 == 0 && v4 == 0) && l == 0) && v1 == 0) && k == 0) && i == 0) && v3 == 0) && v1 + v6 + v2 + i + v3 + v4 + k + j + v5 <= l) && v6 == 0) && j == 0) && l <= v1 + v6 + v2 + i + v3 + v4 + k + j + v5) || ((1 == cond && v1 + v6 + v2 + i + v3 + v4 + k + j + v5 <= l) && l <= v1 + v6 + v2 + i + v3 + v4 + k + j + v5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 46 SDtfs, 86 SDslu, 64 SDs, 0 SdLazy, 229 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 117 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 21218 SizeOfPredicates, 24 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 68 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...