./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/29_conditionals_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/29_conditionals_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3f647420f42d7fdb333957b618cdd528a4c5a4cecdb35105a1a2630df70b3d6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:53:14,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:53:14,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:53:14,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:53:14,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:53:14,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:53:14,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:53:14,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:53:14,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:53:14,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:53:14,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:53:14,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:53:14,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:53:14,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:53:14,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:53:14,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:53:14,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:53:14,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:53:14,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:53:14,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:53:14,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:53:14,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:53:14,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:53:14,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:53:14,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:53:14,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:53:14,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:53:14,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:53:14,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:53:14,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:53:14,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:53:14,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:53:14,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:53:14,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:53:14,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:53:14,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:53:14,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:53:14,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:53:14,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:53:14,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:53:14,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:53:14,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 16:53:14,218 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:53:14,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:53:14,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:53:14,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:53:14,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:53:14,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:53:14,233 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:53:14,233 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:53:14,233 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:53:14,234 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:53:14,234 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:53:14,234 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:53:14,234 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:53:14,235 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:53:14,235 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:53:14,235 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:53:14,236 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:53:14,236 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:53:14,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:53:14,237 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:53:14,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:53:14,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:53:14,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:53:14,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:53:14,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:53:14,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:53:14,239 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:53:14,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:53:14,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:53:14,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:53:14,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:53:14,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:53:14,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:14,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:53:14,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:53:14,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:53:14,242 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:53:14,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:53:14,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:53:14,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:53:14,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:53:14,244 INFO L138 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_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3f647420f42d7fdb333957b618cdd528a4c5a4cecdb35105a1a2630df70b3d6 [2021-11-23 16:53:14,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:53:14,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:53:14,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:53:14,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:53:14,590 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:53:14,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/29_conditionals_vs.i [2021-11-23 16:53:14,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data/29d51c1cd/ced55d21697b449eb2f1a0d084dbd58c/FLAGd71a1771d [2021-11-23 16:53:15,320 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:53:15,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/sv-benchmarks/c/pthread-ext/29_conditionals_vs.i [2021-11-23 16:53:15,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data/29d51c1cd/ced55d21697b449eb2f1a0d084dbd58c/FLAGd71a1771d [2021-11-23 16:53:15,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data/29d51c1cd/ced55d21697b449eb2f1a0d084dbd58c [2021-11-23 16:53:15,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:53:15,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:53:15,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:53:15,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:53:15,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:53:15,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:53:15" (1/1) ... [2021-11-23 16:53:15,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211c2dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:15, skipping insertion in model container [2021-11-23 16:53:15,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:53:15" (1/1) ... [2021-11-23 16:53:15,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:53:15,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:53:16,078 WARN L230 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_4376b05e-724f-4cc7-b53e-fd8f53f149c0/sv-benchmarks/c/pthread-ext/29_conditionals_vs.i[30422,30435] [2021-11-23 16:53:16,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:16,098 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:53:16,169 WARN L230 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_4376b05e-724f-4cc7-b53e-fd8f53f149c0/sv-benchmarks/c/pthread-ext/29_conditionals_vs.i[30422,30435] [2021-11-23 16:53:16,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:16,222 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:53:16,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16 WrapperNode [2021-11-23 16:53:16,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:53:16,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:53:16,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:53:16,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:53:16,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,277 INFO L137 Inliner]: procedures = 170, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2021-11-23 16:53:16,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:53:16,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:53:16,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:53:16,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:53:16,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:53:16,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:53:16,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:53:16,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:53:16,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:16" (1/1) ... [2021-11-23 16:53:16,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:16,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:53:16,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:53:16,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:53:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:53:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:53:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:53:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:53:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:53:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:53:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:53:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:53:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:53:16,416 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:53:16,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:53:16,591 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:53:16,783 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:53:16,818 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:53:16,823 INFO L158 Benchmark]: Toolchain (without parser) took 1232.65ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 44.3MB in the end (delta: 24.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-23 16:53:16,824 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:53:16,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.55ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 59.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:53:16,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.45ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:53:16,827 INFO L158 Benchmark]: Boogie Preprocessor took 31.98ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:53:16,828 INFO L158 Benchmark]: RCFGBuilder took 509.51ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 44.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:53:16,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.55ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 59.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.45ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.98ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 56.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.51ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 44.3MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:53:16,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/29_conditionals_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3f647420f42d7fdb333957b618cdd528a4c5a4cecdb35105a1a2630df70b3d6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:53:19,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:53:19,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:53:19,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:53:19,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:53:19,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:53:19,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:53:19,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:53:19,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:53:19,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:53:19,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:53:19,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:53:19,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:53:19,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:53:19,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:53:19,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:53:19,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:53:19,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:53:19,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:53:19,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:53:19,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:53:19,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:53:19,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:53:19,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:53:19,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:53:19,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:53:19,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:53:19,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:53:19,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:53:19,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:53:19,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:53:19,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:53:19,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:53:19,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:53:19,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:53:19,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:53:19,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:53:19,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:53:19,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:53:19,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:53:19,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:53:19,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 16:53:19,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:53:19,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:53:19,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:53:19,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:53:19,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:53:19,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:53:19,989 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:53:19,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:53:19,989 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:53:19,990 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:53:19,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:53:19,991 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:53:19,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:53:19,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:53:19,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:53:19,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:53:19,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:53:19,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:53:19,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:53:19,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:53:19,996 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:53:19,996 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:53:19,997 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:53:19,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:53:19,997 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:53:19,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:53:19,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:53:19,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:53:19,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:53:19,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:19,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:53:20,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:53:20,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:53:20,001 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:53:20,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:53:20,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:53:20,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:53:20,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:53:20,003 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3f647420f42d7fdb333957b618cdd528a4c5a4cecdb35105a1a2630df70b3d6 [2021-11-23 16:53:20,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:53:20,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:53:20,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:53:20,516 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:53:20,517 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:53:20,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-ext/29_conditionals_vs.i [2021-11-23 16:53:20,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data/696ac438a/c5a2a3e7a67240abbe3f6e410f53467e/FLAG793cc6462 [2021-11-23 16:53:21,415 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:53:21,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/sv-benchmarks/c/pthread-ext/29_conditionals_vs.i [2021-11-23 16:53:21,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data/696ac438a/c5a2a3e7a67240abbe3f6e410f53467e/FLAG793cc6462 [2021-11-23 16:53:21,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/data/696ac438a/c5a2a3e7a67240abbe3f6e410f53467e [2021-11-23 16:53:21,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:53:21,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:53:21,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:53:21,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:53:21,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:53:21,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:53:21" (1/1) ... [2021-11-23 16:53:21,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3d7052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:21, skipping insertion in model container [2021-11-23 16:53:21,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:53:21" (1/1) ... [2021-11-23 16:53:21,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:53:21,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:53:22,236 WARN L230 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_4376b05e-724f-4cc7-b53e-fd8f53f149c0/sv-benchmarks/c/pthread-ext/29_conditionals_vs.i[30422,30435] [2021-11-23 16:53:22,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:22,266 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:53:22,338 WARN L230 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_4376b05e-724f-4cc7-b53e-fd8f53f149c0/sv-benchmarks/c/pthread-ext/29_conditionals_vs.i[30422,30435] [2021-11-23 16:53:22,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:53:22,418 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:53:22,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22 WrapperNode [2021-11-23 16:53:22,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:53:22,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:53:22,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:53:22,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:53:22,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,506 INFO L137 Inliner]: procedures = 173, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 58 [2021-11-23 16:53:22,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:53:22,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:53:22,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:53:22,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:53:22,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:53:22,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:53:22,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:53:22,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:53:22,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:53:22" (1/1) ... [2021-11-23 16:53:22,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:53:22,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:53:22,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:53:22,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:53:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 16:53:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 16:53:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:53:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:53:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:53:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:53:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:53:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:53:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:53:22,725 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 16:53:22,920 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:53:22,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:53:23,117 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:53:23,145 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:53:23,151 INFO L158 Benchmark]: Toolchain (without parser) took 1498.66ms. Allocated memory was 58.7MB in the beginning and 90.2MB in the end (delta: 31.5MB). Free memory was 36.4MB in the beginning and 49.4MB in the end (delta: -13.0MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-23 16:53:23,167 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:53:23,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.75ms. Allocated memory was 58.7MB in the beginning and 90.2MB in the end (delta: 31.5MB). Free memory was 36.2MB in the beginning and 64.3MB in the end (delta: -28.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:53:23,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.70ms. Allocated memory is still 90.2MB. Free memory was 64.3MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:53:23,171 INFO L158 Benchmark]: Boogie Preprocessor took 81.25ms. Allocated memory is still 90.2MB. Free memory was 62.3MB in the beginning and 60.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:53:23,172 INFO L158 Benchmark]: RCFGBuilder took 558.18ms. Allocated memory is still 90.2MB. Free memory was 60.7MB in the beginning and 49.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:53:23,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 766.75ms. Allocated memory was 58.7MB in the beginning and 90.2MB in the end (delta: 31.5MB). Free memory was 36.2MB in the beginning and 64.3MB in the end (delta: -28.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.70ms. Allocated memory is still 90.2MB. Free memory was 64.3MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.25ms. Allocated memory is still 90.2MB. Free memory was 62.3MB in the beginning and 60.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.18ms. Allocated memory is still 90.2MB. Free memory was 60.7MB in the beginning and 49.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:53:23,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4376b05e-724f-4cc7-b53e-fd8f53f149c0/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable