./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/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_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/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 0.2.0-7b2dab5 [2020-12-09 13:59:55,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 13:59:55,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 13:59:55,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 13:59:55,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 13:59:55,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 13:59:55,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 13:59:55,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 13:59:55,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 13:59:55,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 13:59:55,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 13:59:55,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 13:59:55,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 13:59:55,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 13:59:55,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 13:59:55,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 13:59:55,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 13:59:55,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 13:59:55,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 13:59:55,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 13:59:55,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 13:59:55,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 13:59:55,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 13:59:55,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 13:59:55,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 13:59:55,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 13:59:55,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 13:59:55,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 13:59:55,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 13:59:55,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 13:59:55,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 13:59:55,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 13:59:55,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 13:59:55,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 13:59:55,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 13:59:55,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 13:59:55,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 13:59:55,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 13:59:55,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 13:59:55,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 13:59:55,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 13:59:55,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 13:59:55,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 13:59:55,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 13:59:55,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 13:59:55,212 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 13:59:55,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 13:59:55,213 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 13:59:55,213 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 13:59:55,213 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 13:59:55,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 13:59:55,213 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 13:59:55,213 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 13:59:55,213 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 13:59:55,214 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 13:59:55,214 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 13:59:55,214 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 13:59:55,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 13:59:55,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 13:59:55,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 13:59:55,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 13:59:55,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 13:59:55,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 13:59:55,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 13:59:55,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 13:59:55,216 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 13:59:55,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 13:59:55,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 13:59:55,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 13:59:55,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 13:59:55,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 13:59:55,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 13:59:55,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 13:59:55,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 13:59:55,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 13:59:55,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 13:59:55,217 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 13:59:55,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 13:59:55,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 13:59:55,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 13:59:55,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 13:59:55,218 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_08eff4b9-699c-4a58-a851-8112e1c45cd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc63a805379d435830d30b53773a27b22aa93e78 [2020-12-09 13:59:55,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 13:59:55,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 13:59:55,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 13:59:55,422 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 13:59:55,422 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 13:59:55,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2020-12-09 13:59:55,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/data/cecdb03ff/c13b0bad5174409db0e58e6bf8f69322/FLAG281f370c8 [2020-12-09 13:59:55,832 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 13:59:55,832 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2020-12-09 13:59:55,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/data/cecdb03ff/c13b0bad5174409db0e58e6bf8f69322/FLAG281f370c8 [2020-12-09 13:59:55,847 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/data/cecdb03ff/c13b0bad5174409db0e58e6bf8f69322 [2020-12-09 13:59:55,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 13:59:55,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 13:59:55,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 13:59:55,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 13:59:55,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 13:59:55,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:59:55" (1/1) ... [2020-12-09 13:59:55,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7347f77b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:55, skipping insertion in model container [2020-12-09 13:59:55,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:59:55" (1/1) ... [2020-12-09 13:59:55,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 13:59:55,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 13:59:55,966 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2020-12-09 13:59:55,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 13:59:55,988 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 13:59:55,997 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i[838,851] [2020-12-09 13:59:56,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 13:59:56,017 INFO L208 MainTranslator]: Completed translation [2020-12-09 13:59:56,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56 WrapperNode [2020-12-09 13:59:56,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 13:59:56,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 13:59:56,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 13:59:56,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 13:59:56,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 13:59:56,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 13:59:56,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 13:59:56,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 13:59:56,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... [2020-12-09 13:59:56,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 13:59:56,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 13:59:56,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 13:59:56,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 13:59:56,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/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 [2020-12-09 13:59:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 13:59:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 13:59:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 13:59:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 13:59:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 13:59:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 13:59:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 13:59:56,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 13:59:56,535 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-09 13:59:56,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:59:56 BoogieIcfgContainer [2020-12-09 13:59:56,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 13:59:56,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 13:59:56,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 13:59:56,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 13:59:56,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:59:55" (1/3) ... [2020-12-09 13:59:56,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43beb642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:59:56, skipping insertion in model container [2020-12-09 13:59:56,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:59:56" (2/3) ... [2020-12-09 13:59:56,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43beb642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:59:56, skipping insertion in model container [2020-12-09 13:59:56,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:59:56" (3/3) ... [2020-12-09 13:59:56,542 INFO L111 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2020-12-09 13:59:56,552 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 13:59:56,555 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 13:59:56,562 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 13:59:56,582 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 13:59:56,583 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 13:59:56,583 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 13:59:56,583 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 13:59:56,583 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 13:59:56,583 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 13:59:56,583 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 13:59:56,583 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 13:59:56,594 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-12-09 13:59:56,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 13:59:56,598 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:59:56,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 13:59:56,600 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:59:56,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:59:56,605 INFO L82 PathProgramCache]: Analyzing trace with hash 2054062916, now seen corresponding path program 1 times [2020-12-09 13:59:56,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 13:59:56,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269160959] [2020-12-09 13:59:56,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 13:59:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 13:59:56,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269160959] [2020-12-09 13:59:56,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 13:59:56,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 13:59:56,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819598095] [2020-12-09 13:59:56,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 13:59:56,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 13:59:56,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 13:59:56,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 13:59:56,733 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2020-12-09 13:59:56,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 13:59:56,795 INFO L93 Difference]: Finished difference Result 75 states and 113 transitions. [2020-12-09 13:59:56,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 13:59:56,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-09 13:59:56,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 13:59:56,802 INFO L225 Difference]: With dead ends: 75 [2020-12-09 13:59:56,802 INFO L226 Difference]: Without dead ends: 49 [2020-12-09 13:59:56,804 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 [2020-12-09 13:59:56,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-09 13:59:56,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 26. [2020-12-09 13:59:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-12-09 13:59:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2020-12-09 13:59:56,828 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 6 [2020-12-09 13:59:56,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 13:59:56,828 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2020-12-09 13:59:56,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 13:59:56,828 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2020-12-09 13:59:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 13:59:56,828 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:59:56,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:59:56,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 13:59:56,829 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:59:56,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:59:56,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1265048519, now seen corresponding path program 1 times [2020-12-09 13:59:56,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 13:59:56,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623863054] [2020-12-09 13:59:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 13:59:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 13:59:56,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623863054] [2020-12-09 13:59:56,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267290630] [2020-12-09 13:59:56,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/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 [2020-12-09 13:59:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:56,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 13:59:56,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 13:59:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 13:59:56,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 13:59:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 13:59:56,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1137035068] [2020-12-09 13:59:56,970 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 13:59:56,970 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 13:59:56,974 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 13:59:56,978 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 13:59:56,978 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 13:59:57,436 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 13:59:57,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 13:59:57,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 8 [2020-12-09 13:59:57,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223199458] [2020-12-09 13:59:57,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 13:59:57,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 13:59:57,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 13:59:57,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-12-09 13:59:57,509 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand 4 states. [2020-12-09 13:59:57,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 13:59:57,552 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2020-12-09 13:59:57,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 13:59:57,553 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-09 13:59:57,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 13:59:57,553 INFO L225 Difference]: With dead ends: 49 [2020-12-09 13:59:57,553 INFO L226 Difference]: Without dead ends: 25 [2020-12-09 13:59:57,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2020-12-09 13:59:57,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-12-09 13:59:57,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2020-12-09 13:59:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-09 13:59:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2020-12-09 13:59:57,558 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 7 [2020-12-09 13:59:57,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 13:59:57,558 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions. [2020-12-09 13:59:57,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 13:59:57,559 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2020-12-09 13:59:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 13:59:57,559 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:59:57,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:59:57,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 13:59:57,761 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:59:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:59:57,762 INFO L82 PathProgramCache]: Analyzing trace with hash -2145157739, now seen corresponding path program 1 times [2020-12-09 13:59:57,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 13:59:57,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448629539] [2020-12-09 13:59:57,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 13:59:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 13:59:57,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448629539] [2020-12-09 13:59:57,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572797423] [2020-12-09 13:59:57,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/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 [2020-12-09 13:59:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:57,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 13:59:57,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 13:59:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 13:59:57,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 13:59:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 13:59:57,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2020-12-09 13:59:57,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2020-12-09 13:59:57,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996613077] [2020-12-09 13:59:57,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 13:59:57,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 13:59:57,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 13:59:57,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-09 13:59:57,973 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand 4 states. [2020-12-09 13:59:58,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 13:59:58,005 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2020-12-09 13:59:58,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 13:59:58,006 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-12-09 13:59:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 13:59:58,007 INFO L225 Difference]: With dead ends: 51 [2020-12-09 13:59:58,007 INFO L226 Difference]: Without dead ends: 34 [2020-12-09 13:59:58,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-09 13:59:58,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-09 13:59:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-12-09 13:59:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-09 13:59:58,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2020-12-09 13:59:58,014 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 12 [2020-12-09 13:59:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 13:59:58,014 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2020-12-09 13:59:58,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 13:59:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2020-12-09 13:59:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 13:59:58,015 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:59:58,015 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:59:58,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-09 13:59:58,217 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:59:58,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:59:58,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1077510347, now seen corresponding path program 1 times [2020-12-09 13:59:58,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 13:59:58,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331600173] [2020-12-09 13:59:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 13:59:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 13:59:58,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331600173] [2020-12-09 13:59:58,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170912827] [2020-12-09 13:59:58,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/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 [2020-12-09 13:59:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:58,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 13:59:58,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 13:59:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 13:59:58,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 13:59:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-09 13:59:58,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [758563247] [2020-12-09 13:59:58,467 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2020-12-09 13:59:58,468 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 13:59:58,468 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 13:59:58,468 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 13:59:58,469 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 13:59:58,867 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 13:59:59,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 13:59:59,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 13 [2020-12-09 13:59:59,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939077134] [2020-12-09 13:59:59,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 13:59:59,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 13:59:59,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 13:59:59,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2020-12-09 13:59:59,318 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand 9 states. [2020-12-09 13:59:59,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 13:59:59,381 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2020-12-09 13:59:59,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 13:59:59,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-12-09 13:59:59,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 13:59:59,382 INFO L225 Difference]: With dead ends: 55 [2020-12-09 13:59:59,382 INFO L226 Difference]: Without dead ends: 31 [2020-12-09 13:59:59,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=97, Unknown=0, NotChecked=0, Total=182 [2020-12-09 13:59:59,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-09 13:59:59,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2020-12-09 13:59:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-09 13:59:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-12-09 13:59:59,387 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 14 [2020-12-09 13:59:59,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 13:59:59,387 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-12-09 13:59:59,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 13:59:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-12-09 13:59:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 13:59:59,388 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 13:59:59,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 13:59:59,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-09 13:59:59,590 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 13:59:59,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 13:59:59,591 INFO L82 PathProgramCache]: Analyzing trace with hash -469179314, now seen corresponding path program 1 times [2020-12-09 13:59:59,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 13:59:59,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113896267] [2020-12-09 13:59:59,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 13:59:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-09 13:59:59,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113896267] [2020-12-09 13:59:59,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648785455] [2020-12-09 13:59:59,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/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 [2020-12-09 13:59:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 13:59:59,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 13:59:59,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 13:59:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-09 13:59:59,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 13:59:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-09 13:59:59,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1789138230] [2020-12-09 13:59:59,739 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2020-12-09 13:59:59,740 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 13:59:59,740 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 13:59:59,740 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 13:59:59,740 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 14:00:00,279 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 14:00:00,698 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 57 [2020-12-09 14:00:00,923 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2020-12-09 14:00:01,308 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2020-12-09 14:00:01,448 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-12-09 14:00:01,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-09 14:00:01,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 13 [2020-12-09 14:00:01,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47563496] [2020-12-09 14:00:01,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 14:00:01,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 14:00:01,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 14:00:01,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=98, Unknown=0, NotChecked=0, Total=182 [2020-12-09 14:00:01,450 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 9 states. [2020-12-09 14:00:01,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 14:00:01,504 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2020-12-09 14:00:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 14:00:01,504 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-12-09 14:00:01,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 14:00:01,504 INFO L225 Difference]: With dead ends: 33 [2020-12-09 14:00:01,504 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 14:00:01,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=98, Unknown=0, NotChecked=0, Total=182 [2020-12-09 14:00:01,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 14:00:01,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 14:00:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 14:00:01,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 14:00:01,505 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-12-09 14:00:01,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 14:00:01,505 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 14:00:01,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 14:00:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 14:00:01,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 14:00:01,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 14:00:01,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 14:00:01,968 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-12-09 14:00:02,351 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-12-09 14:00:02,493 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-12-09 14:00:02,495 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,496 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 14:00:02,496 INFO L258 CegarLoopResult]: At program point L61-3(lines 61 65) the Hoare annotation is: (and (= |#t~string1.offset| 0) (<= 0 |#t~string0.base|) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0) (= ULTIMATE.start_main_~x~0 0) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= |#t~string0.offset| 0) (<= 0 |#t~string1.base|) (<= 0 |#StackHeapBarrier|)) [2020-12-09 14:00:02,496 INFO L258 CegarLoopResult]: At program point L62-3(lines 62 64) the Hoare annotation is: false [2020-12-09 14:00:02,496 INFO L262 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,496 INFO L262 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,496 INFO L262 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,496 INFO L262 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,497 INFO L262 CegarLoopResult]: For program point L13-5(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,497 INFO L262 CegarLoopResult]: For program point L13-7(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,497 INFO L262 CegarLoopResult]: For program point L13-8(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,497 INFO L262 CegarLoopResult]: For program point L13-9(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,497 INFO L262 CegarLoopResult]: For program point L13-11(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,497 INFO L258 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)) [2020-12-09 14:00:02,498 INFO L258 CegarLoopResult]: At program point L22-3(lines 22 24) the Hoare annotation is: (and (<= 0 |#NULL.offset|) (< ULTIMATE.start_main_~v~0 100000) (<= |#t~string1.offset| 0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= 0 ULTIMATE.start_elem_exists_~size) (= |ULTIMATE.start_elem_exists_#in~set.base| ULTIMATE.start_elem_exists_~set.base) (<= 0 ULTIMATE.start_main_~x~0) (<= 0 |ULTIMATE.start_main_~#values~0.offset|) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (<= ULTIMATE.start_elem_exists_~size 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |#StackHeapBarrier|) (<= 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) (<= 0 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~x~0 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_elem_exists_#in~size| 0) (= |ULTIMATE.start_main_#t~mem14| |ULTIMATE.start_elem_exists_#in~value|) (<= 0 |#t~string1.base|) (<= 0 ULTIMATE.start_elem_exists_~i~0) (= ULTIMATE.start_elem_exists_~value |ULTIMATE.start_elem_exists_#in~value|) (<= |ULTIMATE.start_main_~#values~0.offset| 0) (<= |#t~string0.offset| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (<= 0 |#t~string0.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= 0 |#t~string1.offset|) (<= ULTIMATE.start_main_~n~0 0) (<= 0 |#NULL.base|) (<= |#NULL.offset| 0)) [2020-12-09 14:00:02,498 INFO L258 CegarLoopResult]: At program point L47-3(lines 47 50) the Hoare annotation is: (and (= |#t~string1.offset| 0) (<= 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|) (= ULTIMATE.start_main_~n~0 0) (= ULTIMATE.start_main_~x~0 0) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (= |#NULL.offset| 0) (= |#t~string0.offset| 0) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= 0 |#StackHeapBarrier|)) [2020-12-09 14:00:02,498 INFO L258 CegarLoopResult]: At program point L39-3(lines 39 43) the Hoare annotation is: (and (= |#t~string1.offset| 0) (<= 0 |#t~string0.base|) (= ULTIMATE.start_main_~n~0 0) (= |#NULL.base| 0) (= ULTIMATE.start_main_~x~0 0) (= |ULTIMATE.start_main_~#set~0.offset| 0) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= |#t~string0.offset| 0) (<= 0 |#t~string1.base|) (<= 0 |#StackHeapBarrier|)) [2020-12-09 14:00:02,498 INFO L262 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-12-09 14:00:02,498 INFO L258 CegarLoopResult]: At program point L56-3(lines 56 58) the Hoare annotation is: false [2020-12-09 14:00:02,498 INFO L258 CegarLoopResult]: At program point L40-3(lines 40 42) the Hoare annotation is: false [2020-12-09 14:00:02,499 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,499 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 14:00:02,499 INFO L258 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|)) [2020-12-09 14:00:02,499 INFO L258 CegarLoopResult]: At program point L25(lines 20 26) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (let ((.cse0 (= ULTIMATE.start_elem_exists_~size |ULTIMATE.start_elem_exists_#in~size|)) (.cse1 (= |ULTIMATE.start_main_~#set~0.offset| 0)) (.cse2 (<= 0 |ULTIMATE.start_main_~#set~0.base|)) (.cse3 (= ULTIMATE.start_main_~x~0 0)) (.cse4 (= |ULTIMATE.start_elem_exists_#in~set.base| ULTIMATE.start_elem_exists_~set.base)) (.cse5 (= |#NULL.offset| 0)) (.cse6 (= ULTIMATE.start_main_~n~0 |ULTIMATE.start_elem_exists_#in~size|)) (.cse7 (= |ULTIMATE.start_main_~#values~0.offset| 0)) (.cse8 (<= 0 |#StackHeapBarrier|)) (.cse9 (= |#t~string1.offset| 0)) (.cse10 (<= 0 |#t~string0.base|)) (.cse11 (<= 0 |ULTIMATE.start_main_~#values~0.base|)) (.cse12 (= |ULTIMATE.start_elem_exists_#in~set.base| |ULTIMATE.start_main_~#set~0.base|)) (.cse13 (= |#NULL.base| 0)) (.cse14 (= ULTIMATE.start_elem_exists_~i~0 0)) (.cse15 (= |ULTIMATE.start_elem_exists_#res| 0)) (.cse16 (= |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|)))) (.cse17 (= |ULTIMATE.start_main_#t~mem14| |ULTIMATE.start_elem_exists_#in~value|)) (.cse18 (<= 0 |#t~string1.base|)) (.cse19 (= |ULTIMATE.start_main_~#set~0.offset| |ULTIMATE.start_elem_exists_#in~set.offset|)) (.cse20 (= |ULTIMATE.start_elem_exists_#in~set.offset| ULTIMATE.start_elem_exists_~set.offset)) (.cse21 (= ULTIMATE.start_elem_exists_~value |ULTIMATE.start_elem_exists_#in~value|)) (.cse22 (= |#t~string0.offset| 0))) (or (and .cse0 .cse1 .cse2 (<= ULTIMATE.start_elem_exists_~size ULTIMATE.start_elem_exists_~i~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 (= ULTIMATE.start_main_~v~0 0) .cse20 .cse21 .cse22) (and (< ULTIMATE.start_main_~v~0 100000) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start_main_~v~0) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~x~0) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22)))) [2020-12-09 14:00:02,499 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-12-09 14:00:02,500 INFO L258 CegarLoopResult]: At program point L51-3(lines 51 60) the Hoare annotation is: (let ((.cse4 (= |#t~string1.offset| 0)) (.cse5 (<= 0 |#t~string0.base|)) (.cse6 (<= 0 |ULTIMATE.start_main_~#values~0.base|)) (.cse7 (= |#NULL.base| 0)) (.cse0 (<= 0 |ULTIMATE.start_main_~#set~0.base|)) (.cse8 (<= 0 |#t~string1.base|)) (.cse1 (= |#NULL.offset| 0)) (.cse9 (= |#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 .cse4 .cse5 .cse6 .cse7 (= 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) .cse8 (<= 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) .cse9) (and .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_main_~#set~0.offset| 0) .cse0 .cse8 (= ULTIMATE.start_main_~v~0 0) (= ULTIMATE.start_main_~n~0 0) (= ULTIMATE.start_main_~x~0 0) .cse1 .cse9 .cse2 .cse3))) [2020-12-09 14:00:02,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:00:02 BoogieIcfgContainer [2020-12-09 14:00:02,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 14:00:02,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 14:00:02,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 14:00:02,527 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 14:00:02,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:59:56" (3/4) ... [2020-12-09 14:00:02,529 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 14:00:02,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2020-12-09 14:00:02,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-12-09 14:00:02,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 14:00:02,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 14:00:02,553 WARN L220 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) || ((((((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && 0 <= "0") && 0 <= values) && #NULL == 0) && set == 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && v == 0) && n == 0) && x == 0) && #NULL == 0) && "0" == 0) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown) [2020-12-09 14:00:02,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((0 <= #NULL && v < 100000) && "data_structures_set_multi_proc_trivial_ground.c" <= 0) && set <= 0) && 0 <= size) && set == set) && 0 <= x) && 0 <= values) && 0 <= set) && size <= 0) && set <= 0) && i <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= "0") && 0 <= values) && set == set) && #NULL <= 0) && 0 <= n) && x <= 0) && set <= 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && 0 <= v) && \old(size) <= 0) && aux-values[ v ]-aux == \old(value)) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= i) && value == \old(value)) && values <= 0) && "0" <= 0) && 0 <= set) && 0 <= "0") && 0 <= set) && 0 <= \old(size)) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && n <= 0) && 0 <= #NULL) && #NULL <= 0 [2020-12-09 14:00:02,554 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 <= \old(size) && (((((((((((((((((((((((((size == \old(size) && set == 0) && 0 <= set) && size <= i) && 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) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && aux-values[ v ]-aux == \old(value)) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && set == set) && v == 0) && set == set) && value == \old(value)) && "0" == 0) || (((((((((((((((((((((((((v < 100000 && size == \old(size)) && set == 0) && 0 <= set) && x == 0) && set == set) && 1 <= v) && #NULL == 0) && n == \old(size)) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= "0") && n <= x) && 0 <= values) && set == set) && #NULL == 0) && i == 0) && \result == 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && aux-values[ v ]-aux == \old(value)) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && set == set) && set == set) && value == \old(value)) && "0" == 0)) [2020-12-09 14:00:02,554 WARN L220 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 [2020-12-09 14:00:02,570 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_08eff4b9-699c-4a58-a851-8112e1c45cd8/bin/utaipan/witness.graphml [2020-12-09 14:00:02,570 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 14:00:02,571 INFO L168 Benchmark]: Toolchain (without parser) took 6721.33 ms. Allocated memory was 113.2 MB in the beginning and 184.5 MB in the end (delta: 71.3 MB). Free memory was 73.2 MB in the beginning and 142.6 MB in the end (delta: -69.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-09 14:00:02,571 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 113.2 MB. Free memory is still 89.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 14:00:02,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.20 ms. Allocated memory is still 113.2 MB. Free memory was 73.0 MB in the beginning and 62.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 14:00:02,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.91 ms. Allocated memory is still 113.2 MB. Free memory was 62.6 MB in the beginning and 60.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 14:00:02,572 INFO L168 Benchmark]: Boogie Preprocessor took 22.57 ms. Allocated memory is still 113.2 MB. Free memory was 60.5 MB in the beginning and 59.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 14:00:02,573 INFO L168 Benchmark]: RCFGBuilder took 464.33 ms. Allocated memory is still 113.2 MB. Free memory was 59.0 MB in the beginning and 59.2 MB in the end (delta: -239.8 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 14:00:02,573 INFO L168 Benchmark]: TraceAbstraction took 5988.83 ms. Allocated memory was 113.2 MB in the beginning and 184.5 MB in the end (delta: 71.3 MB). Free memory was 59.2 MB in the beginning and 146.8 MB in the end (delta: -87.6 MB). Peak memory consumption was 80.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:00:02,573 INFO L168 Benchmark]: Witness Printer took 43.94 ms. Allocated memory is still 184.5 MB. Free memory was 146.8 MB in the beginning and 142.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 14:00:02,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 113.2 MB. Free memory is still 89.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 167.20 ms. Allocated memory is still 113.2 MB. Free memory was 73.0 MB in the beginning and 62.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.91 ms. Allocated memory is still 113.2 MB. Free memory was 62.6 MB in the beginning and 60.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.57 ms. Allocated memory is still 113.2 MB. Free memory was 60.5 MB in the beginning and 59.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 464.33 ms. Allocated memory is still 113.2 MB. Free memory was 59.0 MB in the beginning and 59.2 MB in the end (delta: -239.8 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5988.83 ms. Allocated memory was 113.2 MB in the beginning and 184.5 MB in the end (delta: 71.3 MB). Free memory was 59.2 MB in the beginning and 146.8 MB in the end (delta: -87.6 MB). Peak memory consumption was 80.2 MB. Max. memory is 16.1 GB. * Witness Printer took 43.94 ms. Allocated memory is still 184.5 MB. Free memory was 146.8 MB in the beginning and 142.6 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.traceabstraction: - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && 0 <= "0") && n == 0) && #NULL == 0) && x == 0) && set == 0) && #NULL == 0) && 0 <= set) && "0" == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 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 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) || ((((((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && 0 <= "0") && 0 <= values) && #NULL == 0) && set == 0) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && v == 0) && n == 0) && x == 0) && #NULL == 0) && "0" == 0) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((((((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && 0 <= "0") && 0 <= values) && #NULL == 0) && set <= 0) && 0 <= set) && 0 <= v) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && n == 0) && x == 0) && 0 <= set) && #NULL == 0) && "0" == 0) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((0 <= #NULL && v < 100000) && "data_structures_set_multi_proc_trivial_ground.c" <= 0) && set <= 0) && 0 <= size) && set == set) && 0 <= x) && 0 <= values) && 0 <= set) && size <= 0) && set <= 0) && i <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= "0") && 0 <= values) && set == set) && #NULL <= 0) && 0 <= n) && x <= 0) && set <= 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && 0 <= v) && \old(size) <= 0) && aux-values[ v ]-aux == \old(value)) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= i) && value == \old(value)) && values <= 0) && "0" <= 0) && 0 <= set) && 0 <= "0") && 0 <= set) && 0 <= \old(size)) && 0 <= set) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && n <= 0) && 0 <= #NULL) && #NULL <= 0 - InvariantResult [Line: 33]: Loop Invariant 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 Derived loop invariant: 0 <= \old(size) && (((((((((((((((((((((((((size == \old(size) && set == 0) && 0 <= set) && size <= i) && 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) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && aux-values[ v ]-aux == \old(value)) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && set == set) && v == 0) && set == set) && value == \old(value)) && "0" == 0) || (((((((((((((((((((((((((v < 100000 && size == \old(size)) && set == 0) && 0 <= set) && x == 0) && set == set) && 1 <= v) && #NULL == 0) && n == \old(size)) && values == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "data_structures_set_multi_proc_trivial_ground.c" == 0) && 0 <= "0") && n <= x) && 0 <= values) && set == set) && #NULL == 0) && i == 0) && \result == 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && aux-values[ v ]-aux == \old(value)) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && set == set) && set == set) && value == \old(value)) && "0" == 0)) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((("data_structures_set_multi_proc_trivial_ground.c" == 0 && 0 <= "0") && n == 0) && #NULL == 0) && x == 0) && set == 0) && #NULL == 0) && 0 <= set) && "0" == 0) && 0 <= "data_structures_set_multi_proc_trivial_ground.c") && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 55]: Loop Invariant 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, 26 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 115 SDslu, 67 SDs, 0 SdLazy, 111 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 27 NumberOfFragments, 679 HoareAnnotationTreeSize, 11 FomulaSimplifications, 768 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 517 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 2400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 421 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]: 1406, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 24, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 49, TOOLS_POST_TIME[ms]: 887, 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: 49, TOOLS_QUANTIFIERELIM_TIME[ms]: 873, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 136, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 113, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 84, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 336, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 32, DOMAIN_ISBOTTOM_APPLICATIONS: 24, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 995, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 994, 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]: 2, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 313, DAG_COMPRESSION_RETAINED_NODES: 95, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...