./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pals_lcr.6.ufo.BOUNDED-12.pals+Problem12_label09.c --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_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/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_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pals_lcr.6.ufo.BOUNDED-12.pals+Problem12_label09.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/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_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/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 73484acf3acc8aeb775745eb46fbe435b654761627b5ca070087005a6163fac1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:24:38,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:24:38,137 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:24:38,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:24:38,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:24:38,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:24:38,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:24:38,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:24:38,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:24:38,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:24:38,179 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:24:38,179 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:24:38,180 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:24:38,180 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:24:38,180 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:24:38,181 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:24:38,181 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:24:38,181 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:24:38,182 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:24:38,182 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:24:38,182 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:24:38,187 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:24:38,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:24:38,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:24:38,190 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:24:38,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:24:38,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:24:38,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:24:38,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:24:38,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:24:38,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:24:38,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:24:38,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:24:38,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:24:38,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:24:38,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:24:38,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:24:38,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:24:38,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:38,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:24:38,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:24:38,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:24:38,200 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:24:38,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:24:38,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:24:38,202 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:24:38,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:24:38,202 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_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73484acf3acc8aeb775745eb46fbe435b654761627b5ca070087005a6163fac1 [2024-11-02 11:24:38,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:24:38,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:24:38,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:24:38,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:24:38,577 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:24:38,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/combinations/pals_lcr.6.ufo.BOUNDED-12.pals+Problem12_label09.c Unable to find full path for "g++" [2024-11-02 11:24:40,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:24:41,335 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:24:41,336 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/sv-benchmarks/c/combinations/pals_lcr.6.ufo.BOUNDED-12.pals+Problem12_label09.c [2024-11-02 11:24:41,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/data/d46cbd7e5/9c680d9fbd944e3a808b1e6919eb389a/FLAG89b72e5fd [2024-11-02 11:24:41,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/data/d46cbd7e5/9c680d9fbd944e3a808b1e6919eb389a [2024-11-02 11:24:41,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:24:41,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:24:41,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:41,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:24:41,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:24:41,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:41" (1/1) ... [2024-11-02 11:24:41,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff8143e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:41, skipping insertion in model container [2024-11-02 11:24:41,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:24:41" (1/1) ... [2024-11-02 11:24:41,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:24:42,030 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_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/sv-benchmarks/c/combinations/pals_lcr.6.ufo.BOUNDED-12.pals+Problem12_label09.c[15482,15495] [2024-11-02 11:24:42,141 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_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/sv-benchmarks/c/combinations/pals_lcr.6.ufo.BOUNDED-12.pals+Problem12_label09.c[23230,23243] [2024-11-02 11:24:43,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:43,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:24:43,156 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_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/sv-benchmarks/c/combinations/pals_lcr.6.ufo.BOUNDED-12.pals+Problem12_label09.c[15482,15495] [2024-11-02 11:24:43,173 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_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/sv-benchmarks/c/combinations/pals_lcr.6.ufo.BOUNDED-12.pals+Problem12_label09.c[23230,23243] [2024-11-02 11:24:43,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:24:43,812 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:24:43,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43 WrapperNode [2024-11-02 11:24:43,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:24:43,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:43,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:24:43,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:24:43,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:43,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,268 INFO L138 Inliner]: procedures = 37, calls = 23, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 5159 [2024-11-02 11:24:44,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:24:44,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:24:44,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:24:44,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:24:44,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:24:44,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:24:44,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:24:44,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:24:44,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:24:43" (1/1) ... [2024-11-02 11:24:44,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:24:44,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:24:44,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:24:44,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_758bc9fa-8e85-47eb-b8a6-86e4b867ee51/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:24:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:24:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:24:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:24:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:24:45,132 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:24:45,134 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:24:51,196 INFO L? ?]: Removed 749 outVars from TransFormulas that were not future-live. [2024-11-02 11:24:51,197 INFO L287 CfgBuilder]: Performing block encoding