./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --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 d39179efc28fccc153e100042d7b324f767a1fca5c4b8e10ed55a1e034da2fb7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:36:14,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:36:15,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:36:15,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:36:15,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:36:15,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:36:15,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:36:15,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:36:15,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:36:15,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:36:15,148 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:36:15,149 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:36:15,149 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:36:15,149 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:36:15,150 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:36:15,150 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:36:15,151 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:36:15,151 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:36:15,151 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:36:15,152 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:36:15,152 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:36:15,153 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:36:15,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:36:15,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:36:15,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:36:15,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:36:15,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:36:15,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:36:15,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:36:15,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:36:15,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:36:15,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:36:15,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:36:15,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:36:15,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:36:15,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:36:15,158 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:36:15,158 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:36:15,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:15,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:36:15,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:36:15,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:36:15,160 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:36:15,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:36:15,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:36:15,161 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:36:15,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:36:15,161 INFO L153 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_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d39179efc28fccc153e100042d7b324f767a1fca5c4b8e10ed55a1e034da2fb7 [2024-11-02 12:36:15,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:36:15,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:36:15,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:36:15,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:36:15,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:36:15,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-31.i Unable to find full path for "g++" [2024-11-02 12:36:17,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:36:18,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:36:18,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-31.i [2024-11-02 12:36:18,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/data/0b8eb5063/d242175609f04b82814d70153a55654a/FLAG65fb08391 [2024-11-02 12:36:18,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/data/0b8eb5063/d242175609f04b82814d70153a55654a [2024-11-02 12:36:18,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:36:18,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:36:18,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:18,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:36:18,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:36:18,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a2e70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18, skipping insertion in model container [2024-11-02 12:36:18,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:36:18,409 WARN L251 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_2276603a-771e-403c-9580-ab134cb8ca94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-31.i[919,932] [2024-11-02 12:36:18,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:18,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:36:18,667 WARN L251 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_2276603a-771e-403c-9580-ab134cb8ca94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-31.i[919,932] [2024-11-02 12:36:18,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:36:18,799 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:36:18,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18 WrapperNode [2024-11-02 12:36:18,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:36:18,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:18,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:36:18,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:36:18,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,916 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 287 [2024-11-02 12:36:18,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:36:18,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:36:18,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:36:18,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:36:18,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:18,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:36:18,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:36:18,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:36:18,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:36:18,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (1/1) ... [2024-11-02 12:36:19,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:36:19,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:36:19,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:36:19,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:36:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:36:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:36:19,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:36:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:36:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:36:19,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:36:19,266 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:36:19,273 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:36:19,893 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-02 12:36:19,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:36:20,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:36:20,210 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:36:20,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:20 BoogieIcfgContainer [2024-11-02 12:36:20,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:36:20,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:36:20,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:36:20,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:36:20,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:36:18" (1/3) ... [2024-11-02 12:36:20,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e26f84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:20, skipping insertion in model container [2024-11-02 12:36:20,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:36:18" (2/3) ... [2024-11-02 12:36:20,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e26f84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:36:20, skipping insertion in model container [2024-11-02 12:36:20,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:20" (3/3) ... [2024-11-02 12:36:20,223 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-31.i [2024-11-02 12:36:20,243 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:36:20,243 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:36:20,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:36:20,335 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@769c6da3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:36:20,336 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:36:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 36 states have internal predecessors, (38), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-02 12:36:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-02 12:36:20,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:36:20,368 INFO L215 NwaCegarLoop]: trace histogram [54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:36:20,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:36:20,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:36:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1888735863, now seen corresponding path program 1 times [2024-11-02 12:36:20,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:36:20,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630061028] [2024-11-02 12:36:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:36:20,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:36:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:36:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2024-11-02 12:36:34,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:36:34,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630061028] [2024-11-02 12:36:34,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630061028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:36:34,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:36:34,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:36:34,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687157037] [2024-11-02 12:36:34,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:36:34,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:36:34,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:36:35,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:36:35,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:36:35,006 INFO L87 Difference]: Start difference. First operand has 92 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 36 states have internal predecessors, (38), 54 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-02 12:36:35,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:36:35,237 INFO L93 Difference]: Finished difference Result 182 states and 290 transitions. [2024-11-02 12:36:35,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:36:35,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 195 [2024-11-02 12:36:35,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:36:35,248 INFO L225 Difference]: With dead ends: 182 [2024-11-02 12:36:35,249 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 12:36:35,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:36:35,261 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 61 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:36:35,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 279 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:36:35,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 12:36:35,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 12:36:35,287 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) [2024-11-02 12:36:35,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 12:36:35,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2024-11-02 12:36:35,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:36:35,291 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 12:36:35,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-11-02 12:36:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 12:36:35,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 12:36:35,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:36:35,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:36:35,300 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:36:35,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-02 12:36:36,247 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:36:36,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:36:36 BoogieIcfgContainer [2024-11-02 12:36:36,279 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:36:36,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:36:36,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:36:36,280 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:36:36,281 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:36:20" (3/4) ... [2024-11-02 12:36:36,283 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-02 12:36:36,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-02 12:36:36,302 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-11-02 12:36:36,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-02 12:36:36,305 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-02 12:36:36,306 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-02 12:36:36,456 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/witness.graphml [2024-11-02 12:36:36,459 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/witness.yml [2024-11-02 12:36:36,460 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:36:36,460 INFO L158 Benchmark]: Toolchain (without parser) took 18345.38ms. Allocated memory was 159.4MB in the beginning and 425.7MB in the end (delta: 266.3MB). Free memory was 95.8MB in the beginning and 247.1MB in the end (delta: -151.3MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. [2024-11-02 12:36:36,461 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 159.4MB. Free memory was 132.1MB in the beginning and 131.9MB in the end (delta: 169.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:36:36,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.06ms. Allocated memory is still 159.4MB. Free memory was 95.4MB in the beginning and 123.2MB in the end (delta: -27.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:36:36,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.87ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 117.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:36:36,462 INFO L158 Benchmark]: Boogie Preprocessor took 68.15ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 115.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:36:36,462 INFO L158 Benchmark]: RCFGBuilder took 1217.83ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 98.3MB in the end (delta: 16.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-02 12:36:36,463 INFO L158 Benchmark]: TraceAbstraction took 16066.24ms. Allocated memory was 159.4MB in the beginning and 425.7MB in the end (delta: 266.3MB). Free memory was 98.3MB in the beginning and 255.5MB in the end (delta: -157.2MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2024-11-02 12:36:36,463 INFO L158 Benchmark]: Witness Printer took 180.30ms. Allocated memory is still 425.7MB. Free memory was 255.5MB in the beginning and 247.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-02 12:36:36,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 159.4MB. Free memory was 132.1MB in the beginning and 131.9MB in the end (delta: 169.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.06ms. Allocated memory is still 159.4MB. Free memory was 95.4MB in the beginning and 123.2MB in the end (delta: -27.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.87ms. Allocated memory is still 159.4MB. Free memory was 123.2MB in the beginning and 117.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.15ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 115.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1217.83ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 98.3MB in the end (delta: 16.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16066.24ms. Allocated memory was 159.4MB in the beginning and 425.7MB in the end (delta: 266.3MB). Free memory was 98.3MB in the beginning and 255.5MB in the end (delta: -157.2MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. * Witness Printer took 180.30ms. Allocated memory is still 425.7MB. Free memory was 255.5MB in the beginning and 247.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 1, TraceHistogramMax: 54, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 279 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 135 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 2016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2862/2862 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: 248]: Loop Invariant Derived loop invariant: (((0 < (2 + ((var_1_12 >= 0) ? (var_1_12 / 256) : ((var_1_12 / 256) - 1)))) || (0 < 1)) && ((var_1_12 < (128 + var_1_6)) || (0 < 1))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((((((((((((((((((((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (var_1_19 == \old(var_1_19))) && (var_1_20 == \old(var_1_20))) && (var_1_21 == \old(var_1_21))) && (var_1_22 == \old(var_1_22))) && (var_1_23 == \old(var_1_23))) && (var_1_24 == \old(var_1_24))) && (var_1_25 == \old(var_1_25))) && (var_1_26 == \old(var_1_26))) && (var_1_27 == \old(var_1_27))) && (var_1_28 == \old(var_1_28))) && (var_1_29 == \old(var_1_29))) && (var_1_30 == \old(var_1_30))) && (var_1_31 == \old(var_1_31))) && (var_1_32 == \old(var_1_32))) && (var_1_33 == \old(var_1_33))) && (var_1_34 == \old(var_1_34))) && (var_1_35 == \old(var_1_35))) && (var_1_36 == \old(var_1_36))) && (var_1_37 == \old(var_1_37))) && (var_1_38 == \old(var_1_38))) && (var_1_39 == \old(var_1_39))) && (var_1_40 == \old(var_1_40))) && (var_1_41 == \old(var_1_41))) && (var_1_42 == \old(var_1_42))) && (var_1_43 == \old(var_1_43))) && (var_1_44 == \old(var_1_44))) RESULT: Ultimate proved your program to be correct! [2024-11-02 12:36:36,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2276603a-771e-403c-9580-ab134cb8ca94/bin/utaipan-verify-DbMuA5NWw2/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