./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc63a805379d435830d30b53773a27b22aa93e78 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:56:19,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:56:19,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:56:19,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:56:19,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:56:19,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:56:19,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:56:19,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:56:19,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:56:19,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:56:19,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:56:19,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:56:19,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:56:19,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:56:19,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:56:19,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:56:19,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:56:19,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:56:19,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:56:19,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:56:19,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:56:19,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:56:19,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:56:19,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:56:19,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:56:19,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:56:19,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:56:19,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:56:19,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:56:19,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:56:19,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:56:19,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:56:19,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:56:19,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:56:19,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:56:19,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:56:19,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:56:19,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:56:19,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:56:19,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:56:19,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:56:19,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 01:56:19,914 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:56:19,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:56:19,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:56:19,916 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:56:19,916 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:56:19,916 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:56:19,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:56:19,916 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:56:19,916 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:56:19,917 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:56:19,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:56:19,918 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:56:19,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:56:19,918 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:56:19,919 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:56:19,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:56:19,919 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:56:19,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:56:19,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:56:19,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:56:19,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:56:19,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:56:19,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:56:19,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:56:19,921 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:56:19,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:56:19,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:56:19,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:56:19,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:56:19,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:56:19,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:56:19,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:56:19,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:56:19,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:56:19,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:56:19,923 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:56:19,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:56:19,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:56:19,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:56:19,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:56:19,924 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc63a805379d435830d30b53773a27b22aa93e78 [2020-11-30 01:56:20,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:56:20,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:56:20,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:56:20,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:56:20,205 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:56:20,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2020-11-30 01:56:20,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/data/c37206ec7/830bbd2d51e3419c94537895a18216f7/FLAGf2006f96b [2020-11-30 01:56:20,733 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:56:20,733 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2020-11-30 01:56:20,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/data/c37206ec7/830bbd2d51e3419c94537895a18216f7/FLAGf2006f96b [2020-11-30 01:56:21,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/data/c37206ec7/830bbd2d51e3419c94537895a18216f7 [2020-11-30 01:56:21,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:56:21,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:56:21,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:56:21,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:56:21,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:56:21,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdfe911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21, skipping insertion in model container [2020-11-30 01:56:21,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:56:21,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:56:21,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:56:21,362 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:56:21,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:56:21,414 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:56:21,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21 WrapperNode [2020-11-30 01:56:21,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:56:21,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:56:21,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:56:21,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:56:21,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:56:21,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:56:21,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:56:21,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:56:21,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... [2020-11-30 01:56:21,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:56:21,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:56:21,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:56:21,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:56:21,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:56:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:56:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:56:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:56:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:56:21,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:56:21,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:56:21,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:56:22,446 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:56:22,446 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-30 01:56:22,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:56:22 BoogieIcfgContainer [2020-11-30 01:56:22,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:56:22,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:56:22,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:56:22,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:56:22,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:56:21" (1/3) ... [2020-11-30 01:56:22,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e04c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:56:22, skipping insertion in model container [2020-11-30 01:56:22,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:56:21" (2/3) ... [2020-11-30 01:56:22,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e04c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:56:22, skipping insertion in model container [2020-11-30 01:56:22,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:56:22" (3/3) ... [2020-11-30 01:56:22,457 INFO L111 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2020-11-30 01:56:22,465 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:56:22,470 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 01:56:22,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:56:22,515 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:56:22,515 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:56:22,515 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:56:22,516 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:56:22,516 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:56:22,516 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:56:22,516 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:56:22,516 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:56:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-11-30 01:56:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:56:22,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:56:22,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:56:22,543 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:56:22,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:56:22,555 INFO L82 PathProgramCache]: Analyzing trace with hash -7594855, now seen corresponding path program 1 times [2020-11-30 01:56:22,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:56:22,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655599259] [2020-11-30 01:56:22,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:56:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:56:22,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655599259] [2020-11-30 01:56:22,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:56:22,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:56:22,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433266020] [2020-11-30 01:56:22,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:56:22,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:56:22,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:56:22,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:56:22,729 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2020-11-30 01:56:22,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:56:22,817 INFO L93 Difference]: Finished difference Result 87 states and 134 transitions. [2020-11-30 01:56:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:56:22,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-30 01:56:22,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:56:22,828 INFO L225 Difference]: With dead ends: 87 [2020-11-30 01:56:22,828 INFO L226 Difference]: Without dead ends: 55 [2020-11-30 01:56:22,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:56:22,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-30 01:56:22,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 29. [2020-11-30 01:56:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 01:56:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-11-30 01:56:22,864 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 7 [2020-11-30 01:56:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:56:22,864 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-11-30 01:56:22,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:56:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-11-30 01:56:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:56:22,865 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:56:22,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:56:22,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:56:22,866 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:56:22,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:56:22,867 INFO L82 PathProgramCache]: Analyzing trace with hash -818942073, now seen corresponding path program 1 times [2020-11-30 01:56:22,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:56:22,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055712190] [2020-11-30 01:56:22,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:56:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:56:22,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055712190] [2020-11-30 01:56:22,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101515687] [2020-11-30 01:56:22,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/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 [2020-11-30 01:56:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:23,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:56:23,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:56:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:56:23,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:56:23,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:56:23,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [485671127] [2020-11-30 01:56:23,138 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-11-30 01:56:23,139 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 01:56:23,144 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 01:56:23,150 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 01:56:23,150 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 01:56:23,878 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-30 01:56:24,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-30 01:56:24,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 8 [2020-11-30 01:56:24,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735241438] [2020-11-30 01:56:24,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:56:24,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:56:24,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:56:24,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:56:24,081 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 4 states. [2020-11-30 01:56:24,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:56:24,142 INFO L93 Difference]: Finished difference Result 54 states and 75 transitions. [2020-11-30 01:56:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:56:24,144 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-30 01:56:24,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:56:24,145 INFO L225 Difference]: With dead ends: 54 [2020-11-30 01:56:24,145 INFO L226 Difference]: Without dead ends: 27 [2020-11-30 01:56:24,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:56:24,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-30 01:56:24,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2020-11-30 01:56:24,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-30 01:56:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2020-11-30 01:56:24,153 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 8 [2020-11-30 01:56:24,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:56:24,153 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2020-11-30 01:56:24,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:56:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2020-11-30 01:56:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:56:24,154 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:56:24,154 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:56:24,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-30 01:56:24,356 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:56:24,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:56:24,357 INFO L82 PathProgramCache]: Analyzing trace with hash -2060233164, now seen corresponding path program 1 times [2020-11-30 01:56:24,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:56:24,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103594335] [2020-11-30 01:56:24,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:56:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:56:24,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103594335] [2020-11-30 01:56:24,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608168033] [2020-11-30 01:56:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/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 [2020-11-30 01:56:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:24,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:56:24,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:56:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:56:24,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:56:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:56:24,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:56:24,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2020-11-30 01:56:24,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653771611] [2020-11-30 01:56:24,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:56:24,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:56:24,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:56:24,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:56:24,521 INFO L87 Difference]: Start difference. First operand 24 states and 32 transitions. Second operand 4 states. [2020-11-30 01:56:24,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:56:24,570 INFO L93 Difference]: Finished difference Result 56 states and 77 transitions. [2020-11-30 01:56:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:56:24,573 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-30 01:56:24,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:56:24,573 INFO L225 Difference]: With dead ends: 56 [2020-11-30 01:56:24,574 INFO L226 Difference]: Without dead ends: 37 [2020-11-30 01:56:24,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:56:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-30 01:56:24,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2020-11-30 01:56:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-30 01:56:24,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2020-11-30 01:56:24,606 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 13 [2020-11-30 01:56:24,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:56:24,606 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2020-11-30 01:56:24,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:56:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2020-11-30 01:56:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:56:24,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:56:24,609 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:56:24,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-11-30 01:56:24,838 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:56:24,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:56:24,839 INFO L82 PathProgramCache]: Analyzing trace with hash 293736756, now seen corresponding path program 1 times [2020-11-30 01:56:24,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:56:24,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365403091] [2020-11-30 01:56:24,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:56:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:56:24,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365403091] [2020-11-30 01:56:24,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514614135] [2020-11-30 01:56:24,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:56:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:24,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:56:24,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:56:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:56:24,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:56:24,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:56:24,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [182187371] [2020-11-30 01:56:24,993 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2020-11-30 01:56:24,993 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 01:56:24,993 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 01:56:24,994 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 01:56:24,994 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 01:56:25,707 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-30 01:56:25,823 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-11-30 01:56:25,938 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-11-30 01:56:26,109 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-11-30 01:56:26,260 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-11-30 01:56:26,531 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-11-30 01:56:26,856 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2020-11-30 01:56:27,089 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-11-30 01:56:27,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-30 01:56:27,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 13 [2020-11-30 01:56:27,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303822175] [2020-11-30 01:56:27,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 01:56:27,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:56:27,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 01:56:27,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2020-11-30 01:56:27,093 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand 9 states. [2020-11-30 01:56:27,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:56:27,263 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-11-30 01:56:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:56:27,264 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-11-30 01:56:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:56:27,265 INFO L225 Difference]: With dead ends: 59 [2020-11-30 01:56:27,265 INFO L226 Difference]: Without dead ends: 33 [2020-11-30 01:56:27,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2020-11-30 01:56:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-30 01:56:27,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-11-30 01:56:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-30 01:56:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2020-11-30 01:56:27,275 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 15 [2020-11-30 01:56:27,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:56:27,276 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2020-11-30 01:56:27,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 01:56:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2020-11-30 01:56:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:56:27,277 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:56:27,277 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:56:27,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:56:27,490 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:56:27,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:56:27,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1225466478, now seen corresponding path program 1 times [2020-11-30 01:56:27,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:56:27,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615222475] [2020-11-30 01:56:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:56:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:56:27,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615222475] [2020-11-30 01:56:27,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80077404] [2020-11-30 01:56:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:56:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:56:27,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:56:27,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:56:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:56:27,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:56:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:56:27,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [16668388] [2020-11-30 01:56:27,666 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2020-11-30 01:56:27,666 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 01:56:27,666 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 01:56:27,667 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 01:56:27,667 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 01:56:28,887 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-30 01:56:29,217 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-11-30 01:56:29,771 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2020-11-30 01:56:30,270 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-11-30 01:56:30,542 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-11-30 01:56:30,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-30 01:56:30,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3, 3] total 12 [2020-11-30 01:56:30,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278228490] [2020-11-30 01:56:30,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:56:30,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:56:30,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:56:30,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=85, Unknown=0, NotChecked=0, Total=156 [2020-11-30 01:56:30,606 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand 8 states. [2020-11-30 01:56:30,968 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2020-11-30 01:56:31,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:56:31,015 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2020-11-30 01:56:31,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:56:31,018 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-11-30 01:56:31,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:56:31,018 INFO L225 Difference]: With dead ends: 35 [2020-11-30 01:56:31,019 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:56:31,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=84, Invalid=98, Unknown=0, NotChecked=0, Total=182 [2020-11-30 01:56:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:56:31,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:56:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:56:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:56:31,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-11-30 01:56:31,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:56:31,020 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:56:31,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:56:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:56:31,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:56:31,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2020-11-30 01:56:31,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:56:31,707 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-11-30 01:56:31,830 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-11-30 01:56:32,161 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2020-11-30 01:56:32,530 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2020-11-30 01:56:32,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:56:32,533 INFO L270 CegarLoopResult]: At program point L61-3(lines 61 65) the Hoare annotation is: (and (<= 0 |#t~string0.base|) (= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= 0 |#t~string1.base|) (<= |#t~string1.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= ULTIMATE.start_main_~x~0 0) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= 0 |#t~string1.offset|) (= |#NULL.offset| 0) (= |#t~string0.offset| 0) (<= 0 |#StackHeapBarrier|)) [2020-11-30 01:56:32,533 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,533 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,533 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,533 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,533 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,533 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,533 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,533 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,534 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,534 INFO L270 CegarLoopResult]: At program point L62-3(lines 62 64) the Hoare annotation is: false [2020-11-30 01:56:32,534 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-30 01:56:32,534 INFO L274 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-11-30 01:56:32,534 INFO L274 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-11-30 01:56:32,534 INFO L274 CegarLoopResult]: For program point L13-7(line 13) no Hoare annotation was computed. [2020-11-30 01:56:32,534 INFO L274 CegarLoopResult]: For program point L13-8(line 13) no Hoare annotation was computed. [2020-11-30 01:56:32,534 INFO L274 CegarLoopResult]: For program point L13-11(line 13) no Hoare annotation was computed. [2020-11-30 01:56:32,534 INFO L270 CegarLoopResult]: At program point L55-3(lines 55 59) the Hoare annotation is: (and (< ULTIMATE.start_main_~v~0 100000) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= 0 ULTIMATE.start_elem_exists_~size) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= ULTIMATE.start_elem_exists_~size 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#t~string1.offset| 0) (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#values~0.base|) (= |#NULL.base| 0) (= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~x~0 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (= |ULTIMATE.start_elem_exists_#res| 0) (<= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 ULTIMATE.start_main_~v~0) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= 0 |#t~string1.base|) (<= 0 ULTIMATE.start_elem_exists_~set.base) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= ULTIMATE.start_main_~n~0 0) (= |#t~string0.offset| 0)) [2020-11-30 01:56:32,535 INFO L270 CegarLoopResult]: At program point L22-3(lines 22 24) the Hoare annotation is: (and (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 ULTIMATE.start_elem_exists_~set.base) (let ((.cse0 (= |#t~string1.offset| 0)) (.cse1 (= |ULTIMATE.start_elem_exists_#in~set.base| |ULTIMATE.start_main_~#set~0.base|)) (.cse2 (= |#NULL.base| 0)) (.cse3 (= ULTIMATE.start_elem_exists_~i~0 0)) (.cse4 (= ULTIMATE.start_elem_exists_~size |ULTIMATE.start_elem_exists_#in~size|)) (.cse5 (= |ULTIMATE.start_main_~#set~0.offset| 0)) (.cse6 (= |ULTIMATE.start_main_#t~mem14| (select (select |#memory_int| |ULTIMATE.start_main_~#values~0.base|) (+ (* ULTIMATE.start_main_~v~0 4) |ULTIMATE.start_main_~#values~0.offset|)))) (.cse7 (= |ULTIMATE.start_main_#t~mem14| |ULTIMATE.start_elem_exists_#in~value|)) (.cse8 (= |ULTIMATE.start_main_~#set~0.offset| |ULTIMATE.start_elem_exists_#in~set.offset|)) (.cse9 (= |ULTIMATE.start_elem_exists_#in~set.offset| ULTIMATE.start_elem_exists_~set.offset)) (.cse10 (= ULTIMATE.start_elem_exists_~value |ULTIMATE.start_elem_exists_#in~value|)) (.cse11 (= ULTIMATE.start_main_~n~0 0)) (.cse12 (= ULTIMATE.start_main_~x~0 0)) (.cse13 (= |ULTIMATE.start_elem_exists_#in~set.base| ULTIMATE.start_elem_exists_~set.base)) (.cse14 (= |#NULL.offset| 0)) (.cse15 (= ULTIMATE.start_main_~n~0 |ULTIMATE.start_elem_exists_#in~size|)) (.cse16 (= |#t~string0.offset| 0)) (.cse17 (= |ULTIMATE.start_main_~#values~0.offset| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (< ULTIMATE.start_main_~v~0 100000) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= 1 ULTIMATE.start_main_~v~0) .cse14 .cse15 .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_main_~v~0 0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17))) (<= 0 |#t~string1.base|) (<= 0 |#StackHeapBarrier|)) [2020-11-30 01:56:32,535 INFO L270 CegarLoopResult]: At program point L47-3(lines 47 50) the Hoare annotation is: (and (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#values~0.base|) (= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= 0 |#t~string1.base|) (<= |#t~string1.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= ULTIMATE.start_main_~x~0 0) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= 0 |#t~string1.offset|) (= |#NULL.offset| 0) (= |#t~string0.offset| 0) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= 0 |#StackHeapBarrier|)) [2020-11-30 01:56:32,535 INFO L270 CegarLoopResult]: At program point L39-3(lines 39 43) the Hoare annotation is: (and (<= 0 |#t~string0.base|) (= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= 0 |#t~string1.base|) (<= |#t~string1.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= ULTIMATE.start_main_~x~0 0) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= 0 |#t~string1.offset|) (= |#NULL.offset| 0) (= |#t~string0.offset| 0) (<= 0 |#StackHeapBarrier|)) [2020-11-30 01:56:32,535 INFO L274 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-11-30 01:56:32,535 INFO L270 CegarLoopResult]: At program point L56-3(lines 56 58) the Hoare annotation is: false [2020-11-30 01:56:32,535 INFO L270 CegarLoopResult]: At program point L40-3(lines 40 42) the Hoare annotation is: false [2020-11-30 01:56:32,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:56:32,536 INFO L270 CegarLoopResult]: At program point L33-3(lines 33 36) the Hoare annotation is: (and (<= 0 |#t~string0.base|) (= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#set~0.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= 0 |#t~string1.base|) (<= |#t~string1.offset| 0) (= ULTIMATE.start_main_~n~0 0) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= 0 |#t~string1.offset|) (= |#NULL.offset| 0) (= |#t~string0.offset| 0) (<= 0 |#StackHeapBarrier|)) [2020-11-30 01:56:32,536 INFO L270 CegarLoopResult]: At program point L25(lines 20 26) the Hoare annotation is: (and (= ULTIMATE.start_elem_exists_~size |ULTIMATE.start_elem_exists_#in~size|) (< ULTIMATE.start_main_~v~0 100000) (= ULTIMATE.start_main_~x~0 0) (= |ULTIMATE.start_elem_exists_#in~set.base| ULTIMATE.start_elem_exists_~set.base) (= |#NULL.offset| 0) (= ULTIMATE.start_main_~n~0 |ULTIMATE.start_elem_exists_#in~size|) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#t~string1.offset| 0) (<= 0 |#t~string0.base|) (<= 0 |ULTIMATE.start_main_~#values~0.base|) (= |ULTIMATE.start_elem_exists_#in~set.base| |ULTIMATE.start_main_~#set~0.base|) (= |#NULL.base| 0) (= ULTIMATE.start_elem_exists_~i~0 0) (= |ULTIMATE.start_elem_exists_#res| 0) (<= |ULTIMATE.start_main_~#set~0.offset| 0) (= |ULTIMATE.start_main_#t~mem14| (select (select |#memory_int| |ULTIMATE.start_main_~#values~0.base|) (+ (* ULTIMATE.start_main_~v~0 4) |ULTIMATE.start_main_~#values~0.offset|))) (<= 0 ULTIMATE.start_main_~v~0) (= |ULTIMATE.start_main_#t~mem14| |ULTIMATE.start_elem_exists_#in~value|) (<= 0 |#t~string1.base|) (= |ULTIMATE.start_main_~#set~0.offset| |ULTIMATE.start_elem_exists_#in~set.offset|) (= |ULTIMATE.start_elem_exists_#in~set.offset| ULTIMATE.start_elem_exists_~set.offset) (= ULTIMATE.start_elem_exists_~value |ULTIMATE.start_elem_exists_#in~value|) (<= 0 ULTIMATE.start_elem_exists_~set.base) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= ULTIMATE.start_main_~n~0 0) (= |#t~string0.offset| 0)) [2020-11-30 01:56:32,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:56:32,537 INFO L270 CegarLoopResult]: At program point L51-3(lines 51 60) the Hoare annotation is: (let ((.cse4 (<= 0 |#t~string0.base|)) (.cse5 (<= 0 |ULTIMATE.start_main_~#values~0.base|)) (.cse6 (= |#NULL.base| 0)) (.cse7 (<= |ULTIMATE.start_main_~#set~0.offset| 0)) (.cse0 (<= 0 |ULTIMATE.start_main_~#set~0.base|)) (.cse8 (<= 0 |#t~string1.base|)) (.cse9 (<= 0 |ULTIMATE.start_main_~#set~0.offset|)) (.cse1 (= |#NULL.offset| 0)) (.cse10 (= |#t~string0.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~#values~0.offset| 0)) (.cse3 (<= 0 |#StackHeapBarrier|))) (or (and .cse0 (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= 0 ULTIMATE.start_elem_exists_~size) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) .cse1 .cse2 (<= ULTIMATE.start_elem_exists_~size 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) .cse3 (= |#t~string1.offset| 0) .cse4 .cse5 .cse6 (= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~x~0 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (= |ULTIMATE.start_elem_exists_#res| 0) .cse7 (<= 0 ULTIMATE.start_main_~v~0) (<= |ULTIMATE.start_elem_exists_#in~size| 0) .cse8 (<= 0 ULTIMATE.start_elem_exists_~set.base) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) .cse9 (<= ULTIMATE.start_main_~n~0 0) .cse10) (and .cse4 .cse5 .cse6 .cse7 .cse0 .cse8 (= ULTIMATE.start_main_~v~0 0) (<= |#t~string1.offset| 0) (= ULTIMATE.start_main_~n~0 0) (= ULTIMATE.start_main_~x~0 0) .cse9 (<= 0 |#t~string1.offset|) .cse1 .cse10 .cse2 .cse3))) [2020-11-30 01:56:32,546 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,547 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,553 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,554 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,557 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,558 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,561 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,589 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,590 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:56:32 BoogieIcfgContainer [2020-11-30 01:56:32,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:56:32,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:56:32,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:56:32,605 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:56:32,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:56:22" (3/4) ... [2020-11-30 01:56:32,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:56:32,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2020-11-30 01:56:32,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-30 01:56:32,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:56:32,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:56:32,646 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((0 <= set && set <= 0) && 0 <= size) && 0 <= x) && 0 <= set) && #NULL == 0) && values == 0) && size <= 0) && set <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= "0") && 0 <= values) && #NULL == 0) && i == 0) && 0 <= n) && x <= 0) && 0 <= set) && \result == 0) && set <= 0) && 0 <= v) && \old(size) <= 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= set) && 0 <= set) && 0 <= \old(size)) && 0 <= set) && n <= 0) && "0" == 0) || (((((((((((((((0 <= "0" && 0 <= values) && #NULL == 0) && set <= 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && v == 0) && "data_structures_set_multi_proc_trivial_ground.c" <= 0) && n == 0) && x == 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && #NULL == 0) && "0" == 0) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown) [2020-11-30 01:56:32,647 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 <= "0" && 0 <= values) && 0 <= set) && (((((((((((((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && set == set) && #NULL == 0) && i == 0) && v < 100000) && size == \old(size)) && set == 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && aux-values[ v ]-aux == \old(value)) && set == set) && set == set) && value == \old(value)) && n == 0) && x == 0) && set == set) && 1 <= v) && #NULL == 0) && n == \old(size)) && "0" == 0) && values == 0) || (((((((((((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && set == set) && #NULL == 0) && i == 0) && size == \old(size)) && set == 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && aux-values[ v ]-aux == \old(value)) && set == set) && v == 0) && set == set) && value == \old(value)) && n == 0) && x == 0) && set == set) && #NULL == 0) && n == \old(size)) && "0" == 0) && values == 0))) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= unknown-#StackHeapBarrier-unknown [2020-11-30 01:56:32,647 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((size == \old(size) && v < 100000) && x == 0) && set == set) && #NULL == 0) && n == \old(size)) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= "0") && 0 <= values) && set == set) && #NULL == 0) && i == 0) && \result == 0) && set <= 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && 0 <= v) && aux-values[ v ]-aux == \old(value)) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && set == set) && set == set) && value == \old(value)) && 0 <= set) && 0 <= \old(size)) && 0 <= set) && n <= 0) && "0" == 0 [2020-11-30 01:56:32,648 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((v < 100000 && 0 <= set) && set <= 0) && 0 <= size) && 0 <= x) && 0 <= set) && #NULL == 0) && values == 0) && size <= 0) && set <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= "0") && 0 <= values) && #NULL == 0) && i == 0) && 0 <= n) && x <= 0) && 0 <= set) && \result == 0) && set <= 0) && 0 <= v) && \old(size) <= 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= set) && 0 <= set) && 0 <= \old(size)) && 0 <= set) && n <= 0) && "0" == 0 [2020-11-30 01:56:32,709 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_59a5d19c-8557-4fbd-bdae-447916fd8de3/bin/utaipan/witness.graphml [2020-11-30 01:56:32,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:56:32,713 INFO L168 Benchmark]: Toolchain (without parser) took 11593.32 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 70.1 MB in the beginning and 126.1 MB in the end (delta: -56.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:56:32,716 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory was 35.1 MB in the beginning and 35.1 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:56:32,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.37 ms. Allocated memory is still 100.7 MB. Free memory was 69.8 MB in the beginning and 77.3 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:56:32,718 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.46 ms. Allocated memory is still 100.7 MB. Free memory was 77.3 MB in the beginning and 75.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:56:32,721 INFO L168 Benchmark]: Boogie Preprocessor took 28.24 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 73.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:56:32,721 INFO L168 Benchmark]: RCFGBuilder took 936.01 ms. Allocated memory is still 100.7 MB. Free memory was 73.7 MB in the beginning and 32.5 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:56:32,722 INFO L168 Benchmark]: TraceAbstraction took 10153.79 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 32.2 MB in the beginning and 131.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 62.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:56:32,722 INFO L168 Benchmark]: Witness Printer took 108.01 ms. Allocated memory is still 176.2 MB. Free memory was 131.3 MB in the beginning and 126.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:56:32,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory was 35.1 MB in the beginning and 35.1 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.37 ms. Allocated memory is still 100.7 MB. Free memory was 69.8 MB in the beginning and 77.3 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.46 ms. Allocated memory is still 100.7 MB. Free memory was 77.3 MB in the beginning and 75.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.24 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 73.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 936.01 ms. Allocated memory is still 100.7 MB. Free memory was 73.7 MB in the beginning and 32.5 MB in the end (delta: 41.2 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10153.79 ms. Allocated memory was 100.7 MB in the beginning and 176.2 MB in the end (delta: 75.5 MB). Free memory was 32.2 MB in the beginning and 131.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 62.8 MB. Max. memory is 16.1 GB. * Witness Printer took 108.01 ms. Allocated memory is still 176.2 MB. Free memory was 131.3 MB in the beginning and 126.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant [2020-11-30 01:56:32,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,747 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,752 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((((((((((0 <= "0" && #NULL == 0) && set <= 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" <= 0) && n == 0) && x == 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && #NULL == 0) && "0" == 0) && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant [2020-11-30 01:56:32,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,755 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((((((((((((((((((((((0 <= set && set <= 0) && 0 <= size) && 0 <= x) && 0 <= set) && #NULL == 0) && values == 0) && size <= 0) && set <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= "0") && 0 <= values) && #NULL == 0) && i == 0) && 0 <= n) && x <= 0) && 0 <= set) && \result == 0) && set <= 0) && 0 <= v) && \old(size) <= 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= set) && 0 <= set) && 0 <= \old(size)) && 0 <= set) && n <= 0) && "0" == 0) || (((((((((((((((0 <= "0" && 0 <= values) && #NULL == 0) && set <= 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && v == 0) && "data_structures_set_multi_proc_trivial_ground.c" <= 0) && n == 0) && x == 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && #NULL == 0) && "0" == 0) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant [2020-11-30 01:56:32,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((((((((0 <= "0" && 0 <= values) && #NULL == 0) && set <= 0) && 0 <= set) && 0 <= v) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" <= 0) && n == 0) && x == 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && #NULL == 0) && "0" == 0) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 22]: Loop Invariant [2020-11-30 01:56:32,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,766 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,767 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,769 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,770 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((0 <= "0" && 0 <= values) && 0 <= set) && (((((((((((((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && set == set) && #NULL == 0) && i == 0) && v < 100000) && size == \old(size)) && set == 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && aux-values[ v ]-aux == \old(value)) && set == set) && set == set) && value == \old(value)) && n == 0) && x == 0) && set == set) && 1 <= v) && #NULL == 0) && n == \old(size)) && "0" == 0) && values == 0) || (((((((((((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && set == set) && #NULL == 0) && i == 0) && size == \old(size)) && set == 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && aux-values[ v ]-aux == \old(value)) && set == set) && v == 0) && set == set) && value == \old(value)) && n == 0) && x == 0) && set == set) && #NULL == 0) && n == \old(size)) && "0" == 0) && values == 0))) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 33]: Loop Invariant [2020-11-30 01:56:32,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,773 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,774 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((((((((((0 <= "0" && #NULL == 0) && set <= 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" <= 0) && n == 0) && 0 <= x) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && #NULL == 0) && "0" == 0) && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 20]: Loop Invariant [2020-11-30 01:56:32,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-30 01:56:32,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((((((((((((((size == \old(size) && v < 100000) && x == 0) && set == set) && #NULL == 0) && n == \old(size)) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= "0") && 0 <= values) && set == set) && #NULL == 0) && i == 0) && \result == 0) && set <= 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && 0 <= v) && aux-values[ v ]-aux == \old(value)) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && set == set) && set == set) && value == \old(value)) && 0 <= set) && 0 <= \old(size)) && 0 <= set) && n <= 0) && "0" == 0 - InvariantResult [Line: 39]: Loop Invariant [2020-11-30 01:56:32,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((((((((((0 <= "0" && #NULL == 0) && set <= 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && "data_structures_set_multi_proc_trivial_ground.c" <= 0) && n == 0) && x == 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && #NULL == 0) && "0" == 0) && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 55]: Loop Invariant [2020-11-30 01:56:32,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,781 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-30 01:56:32,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-30 01:56:32,782 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((((((((((((((((((((((v < 100000 && 0 <= set) && set <= 0) && 0 <= size) && 0 <= x) && 0 <= set) && #NULL == 0) && values == 0) && size <= 0) && set <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= "0") && 0 <= values) && #NULL == 0) && i == 0) && 0 <= n) && x <= 0) && 0 <= set) && \result == 0) && set <= 0) && 0 <= v) && \old(size) <= 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= set) && 0 <= set) && 0 <= \old(size)) && 0 <= set) && n <= 0) && "0" == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.7s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 113 SDslu, 86 SDs, 0 SdLazy, 122 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 121 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=3, 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, 5 MinimizatonAttempts, 35 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 27 NumberOfFragments, 646 HoareAnnotationTreeSize, 11 FomulaSimplifications, 699 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 544 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 2751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 32/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 2677, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 23, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 48, TOOLS_POST_TIME[ms]: 1490, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 48, TOOLS_QUANTIFIERELIM_TIME[ms]: 1469, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 201, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 112, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 182, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 785, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 74, DOMAIN_ISBOTTOM_APPLICATIONS: 23, DOMAIN_ISBOTTOM_TIME[ms]: 50, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1908, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1907, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 340, DAG_COMPRESSION_RETAINED_NODES: 100, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...