./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E --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 21992ce5086310b9eccd33893912bc55e4a94502535426b80db5bcf53a1c73cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:30:08,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:30:08,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:30:08,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:30:08,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:30:08,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:30:08,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:30:08,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:30:08,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:30:08,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:30:08,592 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:30:08,592 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:30:08,593 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:30:08,593 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:30:08,593 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:30:08,593 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:30:08,593 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:30:08,593 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:30:08,594 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:30:08,594 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:30:08,595 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:30:08,595 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:30:08,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:30:08,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:30:08,595 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:30:08,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:30:08,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:30:08,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:30:08,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:30:08,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:30:08,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:30:08,597 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:30:08,597 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:30:08,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:30:08,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:30:08,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:30:08,598 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:30:08,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:30:08,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:08,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:30:08,599 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:30:08,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:30:08,599 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:30:08,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:30:08,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:30:08,599 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:30:08,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:30:08,599 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E 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 -> 21992ce5086310b9eccd33893912bc55e4a94502535426b80db5bcf53a1c73cc [2024-11-14 03:30:08,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:30:08,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:30:08,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:30:08,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:30:08,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:30:08,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/eca-rers2012/Problem13_label56.c Unable to find full path for "g++" [2024-11-14 03:30:10,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:30:11,412 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:30:11,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/sv-benchmarks/c/eca-rers2012/Problem13_label56.c [2024-11-14 03:30:11,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/data/09d0fed8c/af21dd4cae26442ebf775dde6329661d/FLAG077e547a7 [2024-11-14 03:30:11,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/data/09d0fed8c/af21dd4cae26442ebf775dde6329661d [2024-11-14 03:30:11,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:30:11,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:30:11,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:11,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:30:11,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:30:11,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:11" (1/1) ... [2024-11-14 03:30:11,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce7b389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:11, skipping insertion in model container [2024-11-14 03:30:11,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:30:11" (1/1) ... [2024-11-14 03:30:12,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:30:12,459 WARN L250 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_48b737c6-0805-4d4f-8002-5556846032ab/sv-benchmarks/c/eca-rers2012/Problem13_label56.c[7559,7572] [2024-11-14 03:30:13,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:13,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:30:13,616 WARN L250 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_48b737c6-0805-4d4f-8002-5556846032ab/sv-benchmarks/c/eca-rers2012/Problem13_label56.c[7559,7572] [2024-11-14 03:30:14,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:30:14,283 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:30:14,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14 WrapperNode [2024-11-14 03:30:14,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:30:14,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:14,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:30:14,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:30:14,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:14,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:14,924 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5586 [2024-11-14 03:30:14,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:30:14,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:30:14,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:30:14,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:30:14,935 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:14,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:15,031 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:15,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:15,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:15,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:15,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:15,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:15,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:30:15,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:30:15,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:30:15,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:30:15,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:30:14" (1/1) ... [2024-11-14 03:30:15,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:30:15,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:30:15,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:30:15,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48b737c6-0805-4d4f-8002-5556846032ab/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:30:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:30:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:30:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:30:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:30:16,059 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:30:16,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:30:23,347 INFO L? ?]: Removed 738 outVars from TransFormulas that were not future-live. [2024-11-14 03:30:23,348 INFO L287 CfgBuilder]: Performing block encoding