./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sum_by_3_abstracted.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sum_by_3_abstracted.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS --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 83faa6e73eecf1794606bf7d9aa443e43ed9860cb538a0ff2fa0adbaa1b8efd0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:26:54,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:26:54,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:26:54,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:26:54,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:26:54,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:26:54,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:26:54,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:26:54,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:26:54,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:26:54,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:26:54,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:26:54,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:26:54,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:26:54,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:26:54,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:26:54,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:26:54,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:26:54,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:26:54,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:26:54,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:26:54,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:26:54,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:26:54,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:26:54,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:26:54,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:26:54,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:26:54,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:26:54,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:26:54,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:26:54,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:26:54,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:26:54,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:26:54,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:26:54,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:26:54,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:26:54,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:26:54,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:26:54,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:26:54,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:26:54,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:26:54,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 08:26:54,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:26:54,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:26:54,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:26:54,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:26:54,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:26:54,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:26:54,260 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:26:54,260 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:26:54,260 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:26:54,261 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:26:54,261 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:26:54,261 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:26:54,261 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:26:54,262 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:26:54,262 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:26:54,262 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:26:54,262 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:26:54,263 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:26:54,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:26:54,264 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:26:54,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:26:54,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:26:54,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:26:54,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:26:54,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:26:54,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:26:54,266 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:26:54,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:26:54,267 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:26:54,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:26:54,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:26:54,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:26:54,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:26:54,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:26:54,269 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:26:54,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:26:54,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:26:54,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:26:54,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:26:54,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:26:54,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:26:54,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83faa6e73eecf1794606bf7d9aa443e43ed9860cb538a0ff2fa0adbaa1b8efd0 [2022-11-19 08:26:54,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:26:54,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:26:54,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:26:54,612 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:26:54,613 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:26:54,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/loops-crafted-1/sum_by_3_abstracted.c [2022-11-19 08:26:54,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/data/24dd3dcae/21a89e72b2bf46fd9fb7a6f8cb0c72b4/FLAG5c89fcea6 [2022-11-19 08:26:55,215 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:26:55,216 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/sv-benchmarks/c/loops-crafted-1/sum_by_3_abstracted.c [2022-11-19 08:26:55,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/data/24dd3dcae/21a89e72b2bf46fd9fb7a6f8cb0c72b4/FLAG5c89fcea6 [2022-11-19 08:26:55,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/data/24dd3dcae/21a89e72b2bf46fd9fb7a6f8cb0c72b4 [2022-11-19 08:26:55,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:26:55,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:26:55,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:26:55,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:26:55,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:26:55,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:55,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ac184 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55, skipping insertion in model container [2022-11-19 08:26:55,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:55,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:26:55,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:26:55,819 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/sv-benchmarks/c/loops-crafted-1/sum_by_3_abstracted.c[824,837] [2022-11-19 08:26:55,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:26:55,849 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:26:55,874 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/sv-benchmarks/c/loops-crafted-1/sum_by_3_abstracted.c[824,837] [2022-11-19 08:26:55,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:26:55,909 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:26:55,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55 WrapperNode [2022-11-19 08:26:55,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:26:55,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:26:55,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:26:55,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:26:55,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:55,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:55,964 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-19 08:26:55,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:26:55,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:26:55,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:26:55,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:26:55,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:55,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:55,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:55,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:55,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:56,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:56,001 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:56,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:56,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:26:56,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:26:56,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:26:56,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:26:56,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (1/1) ... [2022-11-19 08:26:56,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:26:56,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:26:56,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:26:56,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:26:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:26:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:26:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:26:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:26:56,205 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:26:56,207 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:26:56,365 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:26:56,453 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:26:56,453 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 08:26:56,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:26:56 BoogieIcfgContainer [2022-11-19 08:26:56,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:26:56,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:26:56,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:26:56,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:26:56,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:26:55" (1/3) ... [2022-11-19 08:26:56,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303579c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:26:56, skipping insertion in model container [2022-11-19 08:26:56,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:26:55" (2/3) ... [2022-11-19 08:26:56,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@303579c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:26:56, skipping insertion in model container [2022-11-19 08:26:56,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:26:56" (3/3) ... [2022-11-19 08:26:56,466 INFO L112 eAbstractionObserver]: Analyzing ICFG sum_by_3_abstracted.c [2022-11-19 08:26:56,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:26:56,488 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:26:56,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:26:56,550 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66787e86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:26:56,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:26:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:26:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 08:26:56,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:26:56,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 08:26:56,563 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:26:56,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:26:56,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1234755981, now seen corresponding path program 1 times [2022-11-19 08:26:56,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:26:56,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824306010] [2022-11-19 08:26:56,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:56,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:26:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:26:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:26:58,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:26:58,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824306010] [2022-11-19 08:26:58,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824306010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:26:58,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:26:58,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:26:58,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197510830] [2022-11-19 08:26:58,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:26:58,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:26:58,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:26:58,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:26:58,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:26:58,797 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:26:59,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:26:59,786 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-11-19 08:26:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:26:59,790 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-19 08:26:59,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:26:59,804 INFO L225 Difference]: With dead ends: 30 [2022-11-19 08:26:59,804 INFO L226 Difference]: Without dead ends: 13 [2022-11-19 08:26:59,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:26:59,815 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 39 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:26:59,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 20 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:26:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-19 08:26:59,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 9. [2022-11-19 08:26:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:26:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2022-11-19 08:26:59,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 6 [2022-11-19 08:26:59,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:26:59,853 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-11-19 08:26:59,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:26:59,854 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-11-19 08:26:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 08:26:59,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:26:59,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:26:59,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:26:59,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:26:59,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:26:59,859 INFO L85 PathProgramCache]: Analyzing trace with hash 342136094, now seen corresponding path program 1 times [2022-11-19 08:26:59,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:26:59,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141099640] [2022-11-19 08:26:59,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:59,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:26:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:00,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:00,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141099640] [2022-11-19 08:27:00,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141099640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:00,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:00,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:27:00,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951281000] [2022-11-19 08:27:00,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:00,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:00,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:00,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:00,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:00,063 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:00,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:00,089 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-11-19 08:27:00,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:00,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-19 08:27:00,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:00,091 INFO L225 Difference]: With dead ends: 13 [2022-11-19 08:27:00,091 INFO L226 Difference]: Without dead ends: 8 [2022-11-19 08:27:00,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:00,099 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:00,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:27:00,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-19 08:27:00,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-19 08:27:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-19 08:27:00,116 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 7 [2022-11-19 08:27:00,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:00,118 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-19 08:27:00,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-19 08:27:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 08:27:00,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:00,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:00,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:27:00,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:27:00,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:00,130 INFO L85 PathProgramCache]: Analyzing trace with hash 376485117, now seen corresponding path program 1 times [2022-11-19 08:27:00,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:00,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34639388] [2022-11-19 08:27:00,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:00,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:27:00,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:00,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34639388] [2022-11-19 08:27:00,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34639388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:00,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:00,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:27:00,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029451242] [2022-11-19 08:27:00,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:00,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:27:00,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:00,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:27:00,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:00,257 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:00,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:00,273 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2022-11-19 08:27:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:27:00,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-19 08:27:00,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:00,275 INFO L225 Difference]: With dead ends: 8 [2022-11-19 08:27:00,275 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:27:00,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:27:00,284 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:00,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:27:00,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:27:00,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:27:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:27:00,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2022-11-19 08:27:00,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:00,289 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:27:00,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:27:00,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:27:00,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:27:00,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:27:00,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:27:00,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:27:00,702 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 21) no Hoare annotation was computed. [2022-11-19 08:27:00,703 INFO L895 garLoopResultBuilder]: At program point L19-2(lines 18 23) the Hoare annotation is: (and (<= 20000001 ~SIZE~0) (<= ~SIZE~0 20000001) (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0))) [2022-11-19 08:27:00,703 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:27:00,703 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-19 08:27:00,703 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-19 08:27:00,703 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:27:00,703 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-11-19 08:27:00,704 INFO L895 garLoopResultBuilder]: At program point L50(lines 26 51) the Hoare annotation is: (and (<= 20000001 ~SIZE~0) (<= ~SIZE~0 20000001)) [2022-11-19 08:27:00,704 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 48) the Hoare annotation is: (let ((.cse7 (div |ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (* .cse7 4294967296))) (let ((.cse1 (<= |ULTIMATE.start_main_~i~0#1| (+ 2147483647 .cse0)))) (let ((.cse2 (not .cse1))) (and (<= 20000001 ~SIZE~0) (<= ~SIZE~0 20000001) (= |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~k~0#1|) (<= (+ |ULTIMATE.start_main_~n~0#1| .cse0) (+ (* (div |ULTIMATE.start_main_~n~0#1| 4294967296) 4294967296) |ULTIMATE.start_main_~i~0#1|)) (or (and (= |ULTIMATE.start_main_~i~0#1| (+ |ULTIMATE.start_main_~j~0#1| .cse0)) .cse1) (and .cse2 (= (+ |ULTIMATE.start_main_~j~0#1| 4294967296 .cse0) |ULTIMATE.start_main_~i~0#1|))) (or (= |ULTIMATE.start_main_~i~0#1| 0) (let ((.cse4 (* .cse7 12884901888)) (.cse6 (* 3 |ULTIMATE.start_main_~i~0#1|))) (and (let ((.cse3 (+ .cse6 (* (div ~SIZE~0 4294967296) 12884901888))) (.cse5 (* ~SIZE~0 3))) (or (and .cse2 (<= .cse3 (+ 8589934592 .cse4 .cse5))) (<= .cse3 (+ .cse4 .cse5)))) (or (and .cse1 (<= (+ 3 .cse4) .cse6)) (<= (+ 8589934595 .cse4) .cse6)))))))))) [2022-11-19 08:27:00,704 INFO L895 garLoopResultBuilder]: At program point L42-2(lines 42 44) the Hoare annotation is: (let ((.cse7 (div |ULTIMATE.start_main_~i~0#1| 4294967296))) (let ((.cse0 (* .cse7 4294967296))) (let ((.cse1 (<= |ULTIMATE.start_main_~i~0#1| (+ 2147483647 .cse0)))) (let ((.cse2 (not .cse1))) (and (<= 20000001 ~SIZE~0) (<= ~SIZE~0 20000001) (<= (+ |ULTIMATE.start_main_~n~0#1| .cse0) (+ (* (div |ULTIMATE.start_main_~n~0#1| 4294967296) 4294967296) |ULTIMATE.start_main_~i~0#1|)) (or (and (= |ULTIMATE.start_main_~i~0#1| (+ |ULTIMATE.start_main_~j~0#1| .cse0)) .cse1) (and .cse2 (= (+ |ULTIMATE.start_main_~j~0#1| 4294967296 .cse0) |ULTIMATE.start_main_~i~0#1|))) (or (= |ULTIMATE.start_main_~i~0#1| 0) (let ((.cse4 (* .cse7 12884901888)) (.cse6 (* 3 |ULTIMATE.start_main_~i~0#1|))) (and (let ((.cse3 (+ .cse6 (* (div ~SIZE~0 4294967296) 12884901888))) (.cse5 (* ~SIZE~0 3))) (or (and .cse2 (<= .cse3 (+ 8589934592 .cse4 .cse5))) (<= .cse3 (+ .cse4 .cse5)))) (or (and .cse1 (<= (+ 3 .cse4) .cse6)) (<= (+ 8589934595 .cse4) .cse6)))))))))) [2022-11-19 08:27:00,708 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-19 08:27:00,710 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:27:00,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:27:00 BoogieIcfgContainer [2022-11-19 08:27:00,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:27:00,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:27:00,757 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:27:00,757 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:27:00,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:26:56" (3/4) ... [2022-11-19 08:27:00,761 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:27:00,779 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-19 08:27:00,781 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-19 08:27:00,782 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 08:27:00,782 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:27:00,842 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:27:00,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:27:00,843 INFO L158 Benchmark]: Toolchain (without parser) took 5266.73ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 64.5MB in the beginning and 117.1MB in the end (delta: -52.7MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-11-19 08:27:00,843 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:27:00,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.08ms. Allocated memory is still 107.0MB. Free memory was 64.3MB in the beginning and 82.0MB in the end (delta: -17.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:27:00,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.80ms. Allocated memory is still 107.0MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:27:00,845 INFO L158 Benchmark]: Boogie Preprocessor took 37.74ms. Allocated memory is still 107.0MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 881.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:27:00,845 INFO L158 Benchmark]: RCFGBuilder took 451.25ms. Allocated memory is still 107.0MB. Free memory was 79.4MB in the beginning and 64.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 08:27:00,846 INFO L158 Benchmark]: TraceAbstraction took 4297.80ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 64.0MB in the beginning and 41.4MB in the end (delta: 22.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-11-19 08:27:00,846 INFO L158 Benchmark]: Witness Printer took 85.30ms. Allocated memory is still 140.5MB. Free memory was 41.4MB in the beginning and 117.1MB in the end (delta: -75.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:27:00,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.08ms. Allocated memory is still 107.0MB. Free memory was 64.3MB in the beginning and 82.0MB in the end (delta: -17.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.80ms. Allocated memory is still 107.0MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.74ms. Allocated memory is still 107.0MB. Free memory was 80.3MB in the beginning and 79.4MB in the end (delta: 881.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 451.25ms. Allocated memory is still 107.0MB. Free memory was 79.4MB in the beginning and 64.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4297.80ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 64.0MB in the beginning and 41.4MB in the end (delta: 22.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Witness Printer took 85.30ms. Allocated memory is still 140.5MB. Free memory was 41.4MB in the beginning and 117.1MB in the end (delta: -75.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 13 NumberOfFragments, 325 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 598 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (20000001 <= SIZE && SIZE <= 20000001) && !(cond == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: (((20000001 <= SIZE && SIZE <= 20000001) && n + i / 4294967296 * 4294967296 <= n / 4294967296 * 4294967296 + i) && ((i == j + i / 4294967296 * 4294967296 && i <= 2147483647 + i / 4294967296 * 4294967296) || (!(i <= 2147483647 + i / 4294967296 * 4294967296) && j + 4294967296 + i / 4294967296 * 4294967296 == i))) && (i == 0 || (((!(i <= 2147483647 + i / 4294967296 * 4294967296) && 3 * i + SIZE / 4294967296 * 12884901888 <= 8589934592 + i / 4294967296 * 12884901888 + SIZE * 3) || 3 * i + SIZE / 4294967296 * 12884901888 <= i / 4294967296 * 12884901888 + SIZE * 3) && ((i <= 2147483647 + i / 4294967296 * 4294967296 && 3 + i / 4294967296 * 12884901888 <= 3 * i) || 8589934595 + i / 4294967296 * 12884901888 <= 3 * i))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((20000001 <= SIZE && SIZE <= 20000001) && j == k) && n + i / 4294967296 * 4294967296 <= n / 4294967296 * 4294967296 + i) && ((i == j + i / 4294967296 * 4294967296 && i <= 2147483647 + i / 4294967296 * 4294967296) || (!(i <= 2147483647 + i / 4294967296 * 4294967296) && j + 4294967296 + i / 4294967296 * 4294967296 == i))) && (i == 0 || (((!(i <= 2147483647 + i / 4294967296 * 4294967296) && 3 * i + SIZE / 4294967296 * 12884901888 <= 8589934592 + i / 4294967296 * 12884901888 + SIZE * 3) || 3 * i + SIZE / 4294967296 * 12884901888 <= i / 4294967296 * 12884901888 + SIZE * 3) && ((i <= 2147483647 + i / 4294967296 * 4294967296 && 3 + i / 4294967296 * 12884901888 <= 3 * i) || 8589934595 + i / 4294967296 * 12884901888 <= 3 * i))) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 20000001 <= SIZE && SIZE <= 20000001 RESULT: Ultimate proved your program to be correct! [2022-11-19 08:27:00,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c3afd0d-bd32-4769-9996-46c014544dce/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE