./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.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_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/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_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/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_0c126b28-40d3-4713-a19a-2f2edb27834e/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 cdd959933ec8963b7d61d47f234ba0592234f60f130b41bb2e46ecf18f996b70 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:49:18,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:49:18,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:49:18,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:49:18,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:49:18,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:49:18,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:49:18,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:49:18,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:49:18,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:49:18,600 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:49:18,600 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:49:18,600 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:49:18,600 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:49:18,600 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:49:18,600 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:49:18,601 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:49:18,601 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:49:18,602 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:49:18,602 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:49:18,602 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:49:18,602 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:49:18,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:49:18,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:49:18,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:49:18,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:49:18,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:49:18,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:49:18,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:49:18,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:49:18,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:49:18,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:49:18,605 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:49:18,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:49:18,606 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:49:18,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:49:18,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:49:18,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:49:18,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:18,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:49:18,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:49:18,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:49:18,607 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:49:18,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:49:18,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:49:18,607 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:49:18,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:49:18,608 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_0c126b28-40d3-4713-a19a-2f2edb27834e/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 -> cdd959933ec8963b7d61d47f234ba0592234f60f130b41bb2e46ecf18f996b70 [2024-11-14 04:49:19,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:49:19,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:49:19,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:49:19,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:49:19,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:49:19,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c Unable to find full path for "g++" [2024-11-14 04:49:21,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:49:21,407 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:49:21,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c [2024-11-14 04:49:21,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/data/f189cf1b6/3a2d4c170b974723bdee3653f3a73149/FLAG383e2be42 [2024-11-14 04:49:21,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/data/f189cf1b6/3a2d4c170b974723bdee3653f3a73149 [2024-11-14 04:49:21,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:49:21,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:49:21,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:21,450 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:49:21,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:49:21,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:21" (1/1) ... [2024-11-14 04:49:21,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e556e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:21, skipping insertion in model container [2024-11-14 04:49:21,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:49:21" (1/1) ... [2024-11-14 04:49:21,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:49:21,699 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_0c126b28-40d3-4713-a19a-2f2edb27834e/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c[913,926] [2024-11-14 04:49:21,778 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_0c126b28-40d3-4713-a19a-2f2edb27834e/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c[5994,6007] [2024-11-14 04:49:21,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:21,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:49:21,914 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_0c126b28-40d3-4713-a19a-2f2edb27834e/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c[913,926] [2024-11-14 04:49:21,958 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_0c126b28-40d3-4713-a19a-2f2edb27834e/sv-benchmarks/c/combinations/pc_sfifo_1.cil-1+token_ring.06.cil-2.c[5994,6007] [2024-11-14 04:49:22,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:49:22,054 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:49:22,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22 WrapperNode [2024-11-14 04:49:22,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:49:22,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:22,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:49:22,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:49:22,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,150 INFO L138 Inliner]: procedures = 60, calls = 67, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 711 [2024-11-14 04:49:22,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:49:22,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:49:22,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:49:22,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:49:22,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:49:22,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:49:22,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:49:22,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:49:22,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (1/1) ... [2024-11-14 04:49:22,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:49:22,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:49:22,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:49:22,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:49:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:49:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-14 04:49:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-14 04:49:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2024-11-14 04:49:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2024-11-14 04:49:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-14 04:49:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-14 04:49:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-14 04:49:22,298 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-14 04:49:22,298 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-14 04:49:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-14 04:49:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-14 04:49:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-14 04:49:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-14 04:49:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-14 04:49:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:49:22,299 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-14 04:49:22,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-14 04:49:22,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:49:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:49:22,301 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-14 04:49:22,301 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-14 04:49:22,478 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:49:22,481 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:49:23,475 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-14 04:49:23,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:49:23,976 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:49:23,979 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-14 04:49:23,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:23 BoogieIcfgContainer [2024-11-14 04:49:23,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:49:23,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:49:23,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:49:23,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:49:23,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:49:21" (1/3) ... [2024-11-14 04:49:23,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c281a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:49:23, skipping insertion in model container [2024-11-14 04:49:23,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:49:22" (2/3) ... [2024-11-14 04:49:23,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c281a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:49:23, skipping insertion in model container [2024-11-14 04:49:23,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:23" (3/3) ... [2024-11-14 04:49:23,993 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1+token_ring.06.cil-2.c [2024-11-14 04:49:24,012 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:49:24,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pc_sfifo_1.cil-1+token_ring.06.cil-2.c that has 10 procedures, 181 locations, 1 initial locations, 13 loop locations, and 2 error locations. [2024-11-14 04:49:24,117 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:49:24,137 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;@6b93fe61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:49:24,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-14 04:49:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 142 states have (on average 1.5211267605633803) internal successors, (216), 148 states have internal predecessors, (216), 27 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-14 04:49:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 04:49:24,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:49:24,155 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:49:24,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:49:24,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:49:24,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1738256125, now seen corresponding path program 1 times [2024-11-14 04:49:24,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:49:24,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390615934] [2024-11-14 04:49:24,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:49:24,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:49:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:49:24,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:49:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:49:24,440 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:49:24,442 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:49:24,444 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location error1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-14 04:49:24,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-14 04:49:24,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:49:24,454 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:49:24,533 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:49:24,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:49:24 BoogieIcfgContainer [2024-11-14 04:49:24,540 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:49:24,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:49:24,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:49:24,541 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:49:24,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:49:23" (3/4) ... [2024-11-14 04:49:24,549 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-14 04:49:24,657 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:49:24,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:49:24,659 INFO L158 Benchmark]: Toolchain (without parser) took 3210.87ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 82.5MB in the beginning and 91.8MB in the end (delta: -9.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-14 04:49:24,659 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:24,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.59ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 62.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:49:24,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.87ms. Allocated memory is still 109.1MB. Free memory was 62.7MB in the beginning and 59.2MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:49:24,660 INFO L158 Benchmark]: Boogie Preprocessor took 49.02ms. Allocated memory is still 109.1MB. Free memory was 59.2MB in the beginning and 56.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:24,661 INFO L158 Benchmark]: RCFGBuilder took 1775.66ms. Allocated memory is still 109.1MB. Free memory was 56.6MB in the beginning and 34.8MB in the end (delta: 21.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-11-14 04:49:24,664 INFO L158 Benchmark]: TraceAbstraction took 558.04ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 34.1MB in the beginning and 96.9MB in the end (delta: -62.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:49:24,665 INFO L158 Benchmark]: Witness Printer took 117.32ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 91.8MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:49:24,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.59ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 62.7MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.87ms. Allocated memory is still 109.1MB. Free memory was 62.7MB in the beginning and 59.2MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.02ms. Allocated memory is still 109.1MB. Free memory was 59.2MB in the beginning and 56.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1775.66ms. Allocated memory is still 109.1MB. Free memory was 56.6MB in the beginning and 34.8MB in the end (delta: 21.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * TraceAbstraction took 558.04ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 34.1MB in the beginning and 96.9MB in the end (delta: -62.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 117.32ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 91.8MB in the end (delta: 5.2MB). 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 - CounterExampleResult [Line: 27]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L32] int q_buf_0 ; [L33] int q_free ; [L34] int q_read_ev ; [L35] int q_write_ev ; [L36] int p_num_write ; [L37] int p_last_write ; [L38] int p_dw_st ; [L39] int p_dw_pc ; [L40] int p_dw_i ; [L41] int c_num_read ; [L42] int c_last_read ; [L43] int c_dr_st ; [L44] int c_dr_pc ; [L45] int c_dr_i ; [L152] static int a_t ; [L394] int m_pc = 0; [L395] int t1_pc = 0; [L396] int t2_pc = 0; [L397] int t3_pc = 0; [L398] int t4_pc = 0; [L399] int t5_pc = 0; [L400] int t6_pc = 0; [L401] int m_st ; [L402] int t1_st ; [L403] int t2_st ; [L404] int t3_st ; [L405] int t4_st ; [L406] int t5_st ; [L407] int t6_st ; [L408] int m_i ; [L409] int t1_i ; [L410] int t2_i ; [L411] int t3_i ; [L412] int t4_i ; [L413] int t5_i ; [L414] int t6_i ; [L415] int M_E = 2; [L416] int T1_E = 2; [L417] int T2_E = 2; [L418] int T3_E = 2; [L419] int T4_E = 2; [L420] int T5_E = 2; [L421] int T6_E = 2; [L422] int E_M = 2; [L423] int E_1 = 2; [L424] int E_2 = 2; [L425] int E_3 = 2; [L426] int E_4 = 2; [L427] int E_5 = 2; [L428] int E_6 = 2; [L437] int token ; [L439] int local ; [L1481] COND TRUE __VERIFIER_nondet_int() [L1482] CALL main1() [L368] int __retres1 ; [L372] CALL init_model1() [L354] q_free = 1 [L355] q_write_ev = 2 [L356] q_read_ev = q_write_ev [L357] p_num_write = 0 [L358] p_dw_pc = 0 [L359] p_dw_i = 1 [L360] c_num_read = 0 [L361] c_dr_pc = 0 [L362] c_dr_i = 1 [L372] RET init_model1() [L373] CALL start_simulation1() [L322] int kernel_st ; [L323] int tmp ; [L327] kernel_st = 0 [L328] CALL init_threads1() [L214] COND TRUE (int )p_dw_i == 1 [L215] p_dw_st = 0 [L219] COND TRUE (int )c_dr_i == 1 [L220] c_dr_st = 0 [L328] RET init_threads1() [L331] COND TRUE 1 [L334] kernel_st = 1 [L335] CALL eval1() [L249] int tmp ; [L250] int tmp___0 ; [L251] int tmp___1 ; VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, token=0] [L255] COND TRUE 1 VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, token=0] [L258] CALL, EXPR exists_runnable_thread1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, token=0] [L229] int __retres1 ; [L232] COND TRUE (int )p_dw_st == 0 [L233] __retres1 = 1 [L245] return (__retres1); [L258] RET, EXPR exists_runnable_thread1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, token=0] [L258] tmp___1 = exists_runnable_thread1() [L260] COND TRUE \read(tmp___1) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, token=0] [L265] COND TRUE (int )p_dw_st == 0 [L267] tmp = __VERIFIER_nondet_int() [L269] COND FALSE !(\read(tmp)) VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, token=0] [L275] CALL error1() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, token=0] [L27] reach_error() VAL [E_1=2, E_2=2, E_3=2, E_4=2, E_5=2, E_6=2, E_M=2, M_E=2, T1_E=2, T2_E=2, T3_E=2, T4_E=2, T5_E=2, T6_E=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, local=0, m_i=0, m_pc=0, m_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_free=1, q_read_ev=2, q_write_ev=2, t1_i=0, t1_pc=0, t1_st=0, t2_i=0, t2_pc=0, t2_st=0, t3_i=0, t3_pc=0, t3_st=0, t4_i=0, t4_pc=0, t4_st=0, t5_i=0, t5_pc=0, t5_st=0, t6_i=0, t6_pc=0, t6_st=0, token=0] - UnprovableResult [Line: 390]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 181 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-14 04:49:24,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c126b28-40d3-4713-a19a-2f2edb27834e/bin/utaipan-verify-sOmjnqqW8E/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE