./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_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/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_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/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 [2020-11-28 07:42:15,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:15,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:15,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:15,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:15,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:15,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:15,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:15,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:15,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:15,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:15,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:15,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:16,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:16,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:16,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:16,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:16,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:16,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:16,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:16,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:16,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:16,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:16,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:16,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:16,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:16,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:16,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:16,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:16,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:16,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:16,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:16,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:16,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:16,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:16,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:16,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:16,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:16,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:16,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:16,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:16,060 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:42:16,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:16,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:16,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:16,110 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:16,111 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:16,111 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:16,111 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:42:16,111 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:16,112 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:16,112 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:42:16,113 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:42:16,113 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:16,114 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:42:16,114 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:42:16,114 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:42:16,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:16,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:16,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:42:16,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:16,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:16,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:16,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:16,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:16,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:16,117 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:16,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:16,118 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:16,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:16,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:16,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:16,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:16,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:16,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:16,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:16,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:16,122 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:42:16,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:42:16,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:16,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:16,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:16,123 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_6f166c90-07dd-44f9-8da2-eff4754eb860/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc63a805379d435830d30b53773a27b22aa93e78 [2020-11-28 07:42:16,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:16,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:16,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:16,463 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:16,463 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:16,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2020-11-28 07:42:16,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/data/354715bcb/fd0111c624c9421eaa64cf88605e17c3/FLAG587b6def2 [2020-11-28 07:42:17,003 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:17,005 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2020-11-28 07:42:17,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/data/354715bcb/fd0111c624c9421eaa64cf88605e17c3/FLAG587b6def2 [2020-11-28 07:42:17,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/data/354715bcb/fd0111c624c9421eaa64cf88605e17c3 [2020-11-28 07:42:17,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:17,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:17,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:17,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:17,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:17,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d4717a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17, skipping insertion in model container [2020-11-28 07:42:17,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:17,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:17,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:17,654 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:42:17,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:17,715 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:42:17,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17 WrapperNode [2020-11-28 07:42:17,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:17,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:17,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:42:17,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:42:17,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:17,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:42:17,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:42:17,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:42:17,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... [2020-11-28 07:42:17,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:42:17,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:42:17,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:42:17,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:42:17,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/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 [2020-11-28 07:42:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:42:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:42:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:42:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:42:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:42:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:42:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:42:18,646 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:42:18,646 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-28 07:42:18,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:18 BoogieIcfgContainer [2020-11-28 07:42:18,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:42:18,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:42:18,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:42:18,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:42:18,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:42:17" (1/3) ... [2020-11-28 07:42:18,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe16e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:18, skipping insertion in model container [2020-11-28 07:42:18,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:17" (2/3) ... [2020-11-28 07:42:18,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe16e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:18, skipping insertion in model container [2020-11-28 07:42:18,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:18" (3/3) ... [2020-11-28 07:42:18,658 INFO L111 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2020-11-28 07:42:18,672 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:42:18,676 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 07:42:18,688 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 07:42:18,724 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:42:18,725 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:42:18,725 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:42:18,725 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:42:18,725 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:42:18,725 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:42:18,725 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:42:18,725 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:42:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-11-28 07:42:18,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 07:42:18,744 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:18,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:18,745 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:18,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:18,755 INFO L82 PathProgramCache]: Analyzing trace with hash -7594855, now seen corresponding path program 1 times [2020-11-28 07:42:18,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:42:18,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873245907] [2020-11-28 07:42:18,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:42:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:18,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873245907] [2020-11-28 07:42:18,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:18,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:42:18,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425019526] [2020-11-28 07:42:18,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:42:18,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:42:18,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:42:18,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:42:18,958 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2020-11-28 07:42:19,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:19,051 INFO L93 Difference]: Finished difference Result 87 states and 134 transitions. [2020-11-28 07:42:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:19,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-28 07:42:19,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:19,060 INFO L225 Difference]: With dead ends: 87 [2020-11-28 07:42:19,060 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 07:42:19,063 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 [2020-11-28 07:42:19,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 07:42:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 29. [2020-11-28 07:42:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 07:42:19,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-11-28 07:42:19,099 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 7 [2020-11-28 07:42:19,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:19,099 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-11-28 07:42:19,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:42:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-11-28 07:42:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 07:42:19,102 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:19,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:19,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:42:19,103 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:19,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:19,108 INFO L82 PathProgramCache]: Analyzing trace with hash -818942073, now seen corresponding path program 1 times [2020-11-28 07:42:19,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:42:19,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331560595] [2020-11-28 07:42:19,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:42:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:19,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331560595] [2020-11-28 07:42:19,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556879008] [2020-11-28 07:42:19,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/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 [2020-11-28 07:42:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:19,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:19,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:19,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:19,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1612234114] [2020-11-28 07:42:19,362 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2020-11-28 07:42:19,363 INFO L166 IcfgInterpreter]: Building call graph [2020-11-28 07:42:19,369 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-28 07:42:19,389 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-28 07:42:19,390 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-28 07:42:20,019 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-28 07:42:20,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-28 07:42:20,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 8 [2020-11-28 07:42:20,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588624420] [2020-11-28 07:42:20,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:20,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:42:20,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:20,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:42:20,213 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 4 states. [2020-11-28 07:42:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:20,280 INFO L93 Difference]: Finished difference Result 54 states and 75 transitions. [2020-11-28 07:42:20,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:42:20,282 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-28 07:42:20,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:20,283 INFO L225 Difference]: With dead ends: 54 [2020-11-28 07:42:20,283 INFO L226 Difference]: Without dead ends: 27 [2020-11-28 07:42:20,284 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 [2020-11-28 07:42:20,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-28 07:42:20,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2020-11-28 07:42:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-11-28 07:42:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 32 transitions. [2020-11-28 07:42:20,290 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 32 transitions. Word has length 8 [2020-11-28 07:42:20,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:20,290 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 32 transitions. [2020-11-28 07:42:20,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2020-11-28 07:42:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 07:42:20,291 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:20,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:20,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 07:42:20,493 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:20,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:20,493 INFO L82 PathProgramCache]: Analyzing trace with hash -2060233164, now seen corresponding path program 1 times [2020-11-28 07:42:20,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:42:20,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638984066] [2020-11-28 07:42:20,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:42:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:20,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638984066] [2020-11-28 07:42:20,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462888568] [2020-11-28 07:42:20,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/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 [2020-11-28 07:42:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:20,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 07:42:20,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 07:42:20,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 07:42:20,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-11-28 07:42:20,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2020-11-28 07:42:20,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228704039] [2020-11-28 07:42:20,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:20,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:42:20,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:20,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:42:20,634 INFO L87 Difference]: Start difference. First operand 24 states and 32 transitions. Second operand 4 states. [2020-11-28 07:42:20,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:20,686 INFO L93 Difference]: Finished difference Result 56 states and 77 transitions. [2020-11-28 07:42:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:42:20,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-28 07:42:20,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:20,690 INFO L225 Difference]: With dead ends: 56 [2020-11-28 07:42:20,690 INFO L226 Difference]: Without dead ends: 37 [2020-11-28 07:42:20,690 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 [2020-11-28 07:42:20,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-28 07:42:20,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2020-11-28 07:42:20,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-11-28 07:42:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 47 transitions. [2020-11-28 07:42:20,697 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 47 transitions. Word has length 13 [2020-11-28 07:42:20,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:20,697 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 47 transitions. [2020-11-28 07:42:20,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2020-11-28 07:42:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 07:42:20,698 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:20,698 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:20,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-11-28 07:42:20,926 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:20,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:20,926 INFO L82 PathProgramCache]: Analyzing trace with hash 293736756, now seen corresponding path program 1 times [2020-11-28 07:42:20,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:42:20,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444553007] [2020-11-28 07:42:20,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:42:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:20,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444553007] [2020-11-28 07:42:20,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79098534] [2020-11-28 07:42:20,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/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 [2020-11-28 07:42:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:21,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:21,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:21,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 07:42:21,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1827668283] [2020-11-28 07:42:21,108 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2020-11-28 07:42:21,108 INFO L166 IcfgInterpreter]: Building call graph [2020-11-28 07:42:21,108 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-28 07:42:21,109 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-28 07:42:21,109 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-28 07:42:21,846 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-28 07:42:22,086 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-11-28 07:42:22,243 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-11-28 07:42:22,397 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-11-28 07:42:22,674 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-11-28 07:42:22,892 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2020-11-28 07:42:23,128 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-11-28 07:42:23,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-28 07:42:23,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 13 [2020-11-28 07:42:23,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30244803] [2020-11-28 07:42:23,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 07:42:23,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:42:23,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 07:42:23,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2020-11-28 07:42:23,132 INFO L87 Difference]: Start difference. First operand 34 states and 47 transitions. Second operand 9 states. [2020-11-28 07:42:23,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:23,264 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2020-11-28 07:42:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 07:42:23,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2020-11-28 07:42:23,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:23,266 INFO L225 Difference]: With dead ends: 59 [2020-11-28 07:42:23,266 INFO L226 Difference]: Without dead ends: 33 [2020-11-28 07:42:23,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2020-11-28 07:42:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-28 07:42:23,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-11-28 07:42:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-11-28 07:42:23,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2020-11-28 07:42:23,274 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 15 [2020-11-28 07:42:23,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:23,274 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2020-11-28 07:42:23,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 07:42:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2020-11-28 07:42:23,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 07:42:23,275 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:23,275 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:42:23,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 07:42:23,502 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:23,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1225466478, now seen corresponding path program 1 times [2020-11-28 07:42:23,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:42:23,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248671400] [2020-11-28 07:42:23,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:42:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:23,550 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 07:42:23,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248671400] [2020-11-28 07:42:23,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967289449] [2020-11-28 07:42:23,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/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 [2020-11-28 07:42:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:23,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:23,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 07:42:23,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:23,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 07:42:23,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1242917606] [2020-11-28 07:42:23,664 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2020-11-28 07:42:23,664 INFO L166 IcfgInterpreter]: Building call graph [2020-11-28 07:42:23,665 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-28 07:42:23,665 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-28 07:42:23,665 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-28 07:42:24,911 INFO L180 IcfgInterpreter]: Interpretation finished [2020-11-28 07:42:25,209 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-11-28 07:42:25,663 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2020-11-28 07:42:26,215 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 64 [2020-11-28 07:42:26,479 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-11-28 07:42:26,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-28 07:42:26,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3, 3] total 12 [2020-11-28 07:42:26,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535061096] [2020-11-28 07:42:26,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:42:26,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:42:26,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:42:26,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=85, Unknown=0, NotChecked=0, Total=156 [2020-11-28 07:42:26,526 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand 8 states. [2020-11-28 07:42:26,830 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2020-11-28 07:42:26,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:26,903 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2020-11-28 07:42:26,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 07:42:26,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2020-11-28 07:42:26,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:26,905 INFO L225 Difference]: With dead ends: 35 [2020-11-28 07:42:26,905 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:42:26,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=84, Invalid=98, Unknown=0, NotChecked=0, Total=182 [2020-11-28 07:42:26,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:42:26,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:42:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:42:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:42:26,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-11-28 07:42:26,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:26,907 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:42:26,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:42:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:42:26,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:42:27,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2020-11-28 07:42:27,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:42:27,570 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-11-28 07:42:28,022 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2020-11-28 07:42:28,376 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2020-11-28 07:42:28,378 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,378 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:42:28,379 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|)) [2020-11-28 07:42:28,379 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,379 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,379 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,379 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,379 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,379 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,379 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,380 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,380 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,380 INFO L270 CegarLoopResult]: At program point L62-3(lines 62 64) the Hoare annotation is: false [2020-11-28 07:42:28,380 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-28 07:42:28,380 INFO L274 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-11-28 07:42:28,380 INFO L274 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-11-28 07:42:28,380 INFO L274 CegarLoopResult]: For program point L13-7(line 13) no Hoare annotation was computed. [2020-11-28 07:42:28,380 INFO L274 CegarLoopResult]: For program point L13-8(line 13) no Hoare annotation was computed. [2020-11-28 07:42:28,380 INFO L274 CegarLoopResult]: For program point L13-11(line 13) no Hoare annotation was computed. [2020-11-28 07:42:28,381 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)) [2020-11-28 07:42:28,381 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|)) [2020-11-28 07:42:28,381 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|)) [2020-11-28 07:42:28,381 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|)) [2020-11-28 07:42:28,382 INFO L274 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-11-28 07:42:28,382 INFO L270 CegarLoopResult]: At program point L56-3(lines 56 58) the Hoare annotation is: false [2020-11-28 07:42:28,382 INFO L270 CegarLoopResult]: At program point L40-3(lines 40 42) the Hoare annotation is: false [2020-11-28 07:42:28,382 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,382 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:42:28,382 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|)) [2020-11-28 07:42:28,382 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)) [2020-11-28 07:42:28,383 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 07:42:28,383 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))) [2020-11-28 07:42:28,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,402 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,407 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,408 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,408 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,422 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,423 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:42:28 BoogieIcfgContainer [2020-11-28 07:42:28,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:42:28,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:42:28,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:42:28,434 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:42:28,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:18" (3/4) ... [2020-11-28 07:42:28,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:42:28,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2020-11-28 07:42:28,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-28 07:42:28,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:42:28,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:28,476 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) [2020-11-28 07:42:28,476 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 [2020-11-28 07:42:28,477 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 [2020-11-28 07:42:28,477 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 [2020-11-28 07:42:28,531 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6f166c90-07dd-44f9-8da2-eff4754eb860/bin/utaipan/witness.graphml [2020-11-28 07:42:28,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:42:28,535 INFO L168 Benchmark]: Toolchain (without parser) took 11157.06 ms. Allocated memory was 111.1 MB in the beginning and 245.4 MB in the end (delta: 134.2 MB). Free memory was 85.2 MB in the beginning and 173.5 MB in the end (delta: -88.3 MB). Peak memory consumption was 44.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:28,536 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 111.1 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:28,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.42 ms. Allocated memory is still 111.1 MB. Free memory was 85.1 MB in the beginning and 87.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:28,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.70 ms. Allocated memory is still 111.1 MB. Free memory was 86.8 MB in the beginning and 85.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:28,538 INFO L168 Benchmark]: Boogie Preprocessor took 29.84 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 83.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:28,539 INFO L168 Benchmark]: RCFGBuilder took 840.31 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 83.4 MB in the beginning and 102.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:28,539 INFO L168 Benchmark]: TraceAbstraction took 9783.66 ms. Allocated memory was 134.2 MB in the beginning and 245.4 MB in the end (delta: 111.1 MB). Free memory was 102.0 MB in the beginning and 177.7 MB in the end (delta: -75.7 MB). Peak memory consumption was 136.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:28,540 INFO L168 Benchmark]: Witness Printer took 97.07 ms. Allocated memory is still 245.4 MB. Free memory was 177.7 MB in the beginning and 173.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:28,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 111.1 MB. Free memory is still 70.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.42 ms. Allocated memory is still 111.1 MB. Free memory was 85.1 MB in the beginning and 87.0 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.70 ms. Allocated memory is still 111.1 MB. Free memory was 86.8 MB in the beginning and 85.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.84 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 83.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 840.31 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 83.4 MB in the beginning and 102.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9783.66 ms. Allocated memory was 134.2 MB in the beginning and 245.4 MB in the end (delta: 111.1 MB). Free memory was 102.0 MB in the beginning and 177.7 MB in the end (delta: -75.7 MB). Peak memory consumption was 136.0 MB. Max. memory is 16.1 GB. * Witness Printer took 97.07 ms. Allocated memory is still 245.4 MB. Free memory was 177.7 MB in the beginning and 173.5 MB in the end (delta: 4.2 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 [2020-11-28 07:42:28,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,569 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 [2020-11-28 07:42:28,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,571 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,579 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 [2020-11-28 07:42:28,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,582 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 [2020-11-28 07:42:28,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,593 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 [2020-11-28 07:42:28,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,595 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 [2020-11-28 07:42:28,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 07:42:28,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,599 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 [2020-11-28 07:42:28,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,603 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 [2020-11-28 07:42:28,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2020-11-28 07:42:28,605 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 07:42:28,606 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: 8.3s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 113 SDslu, 86 SDs, 0 SdLazy, 122 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 121 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 3.5s 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]: 2643, 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]: 1497, 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]: 1473, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 190, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 112, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 133, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 764, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 110, DOMAIN_ISBOTTOM_APPLICATIONS: 23, DOMAIN_ISBOTTOM_TIME[ms]: 40, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1904, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1903, 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]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, 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...