./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe003_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc60b32bd5539dadbcbe1bdf86f21665a573ec180c72ba491085256c00923963 ...................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 04:39:15,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 04:39:15,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 04:39:15,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 04:39:15,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 04:39:15,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 04:39:15,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 04:39:15,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 04:39:15,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 04:39:15,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 04:39:15,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 04:39:15,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 04:39:15,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 04:39:15,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 04:39:15,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 04:39:15,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 04:39:15,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 04:39:15,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 04:39:15,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 04:39:15,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 04:39:15,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 04:39:15,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 04:39:15,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 04:39:15,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 04:39:15,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 04:39:15,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 04:39:15,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 04:39:15,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 04:39:15,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 04:39:15,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 04:39:15,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 04:39:15,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 04:39:15,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 04:39:15,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 04:39:15,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 04:39:15,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 04:39:15,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 04:39:15,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 04:39:15,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 04:39:15,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 04:39:15,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 04:39:15,224 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-24 04:39:15,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 04:39:15,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 04:39:15,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-24 04:39:15,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-24 04:39:15,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 04:39:15,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 04:39:15,272 INFO L138 SettingsManager]: * Use SBE=true [2021-10-24 04:39:15,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 04:39:15,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 04:39:15,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 04:39:15,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 04:39:15,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 04:39:15,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 04:39:15,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 04:39:15,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 04:39:15,274 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 04:39:15,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 04:39:15,274 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 04:39:15,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 04:39:15,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 04:39:15,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 04:39:15,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-24 04:39:15,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 04:39:15,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:15,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 04:39:15,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 04:39:15,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 04:39:15,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-24 04:39:15,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 04:39:15,276 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-24 04:39:15,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-24 04:39:15,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 04:39:15,277 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-24 04:39:15,277 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-24 04:39:15,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc60b32bd5539dadbcbe1bdf86f21665a573ec180c72ba491085256c00923963 [2021-10-24 04:39:15,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 04:39:15,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 04:39:15,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 04:39:15,528 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 04:39:15,529 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 04:39:15,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/../../sv-benchmarks/c/pthread-wmm/safe003_tso.i [2021-10-24 04:39:15,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/data/6c4631518/0736d3386d57458681df81babfbd8c13/FLAGf2e7a2526 [2021-10-24 04:39:16,061 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 04:39:16,062 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/sv-benchmarks/c/pthread-wmm/safe003_tso.i [2021-10-24 04:39:16,077 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/data/6c4631518/0736d3386d57458681df81babfbd8c13/FLAGf2e7a2526 [2021-10-24 04:39:16,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/data/6c4631518/0736d3386d57458681df81babfbd8c13 [2021-10-24 04:39:16,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 04:39:16,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 04:39:16,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:16,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 04:39:16,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 04:39:16,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:16,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef5cfec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16, skipping insertion in model container [2021-10-24 04:39:16,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:16,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 04:39:16,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 04:39:16,743 WARN L228 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_cf147a92-66af-4b82-94a2-de682ebff5c9/sv-benchmarks/c/pthread-wmm/safe003_tso.i[945,958] [2021-10-24 04:39:16,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:16,904 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 04:39:16,915 WARN L228 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_cf147a92-66af-4b82-94a2-de682ebff5c9/sv-benchmarks/c/pthread-wmm/safe003_tso.i[945,958] [2021-10-24 04:39:16,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 04:39:16,981 INFO L208 MainTranslator]: Completed translation [2021-10-24 04:39:16,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16 WrapperNode [2021-10-24 04:39:16,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 04:39:16,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:16,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 04:39:16,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 04:39:16,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 04:39:17,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 04:39:17,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 04:39:17,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 04:39:17,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 04:39:17,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 04:39:17,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 04:39:17,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 04:39:17,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (1/1) ... [2021-10-24 04:39:17,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 04:39:17,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/z3 [2021-10-24 04:39:17,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 04:39:17,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 04:39:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 04:39:17,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-24 04:39:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 04:39:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 04:39:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-24 04:39:17,144 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-24 04:39:17,144 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-24 04:39:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-24 04:39:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-24 04:39:17,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-24 04:39:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 04:39:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-24 04:39:17,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 04:39:17,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 04:39:17,147 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 04:39:17,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 04:39:17,528 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-24 04:39:17,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:17 BoogieIcfgContainer [2021-10-24 04:39:17,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 04:39:17,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 04:39:17,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 04:39:17,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 04:39:17,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:39:16" (1/3) ... [2021-10-24 04:39:17,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69076dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:39:17, skipping insertion in model container [2021-10-24 04:39:17,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:39:16" (2/3) ... [2021-10-24 04:39:17,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69076dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:39:17, skipping insertion in model container [2021-10-24 04:39:17,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:17" (3/3) ... [2021-10-24 04:39:17,544 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_tso.i [2021-10-24 04:39:17,552 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-24 04:39:17,552 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 04:39:17,552 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 04:39:17,552 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-24 04:39:17,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,595 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,595 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,595 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,596 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,598 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,598 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,599 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,610 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,610 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,614 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,615 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,622 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,623 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,623 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,623 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,628 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,628 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,628 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,628 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 04:39:17,631 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-24 04:39:17,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-24 04:39:17,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/z3 [2021-10-24 04:39:17,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-24 04:39:17,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-24 04:39:17,744 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-24 04:39:17,752 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 04:39:17,752 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-24 04:39:17,942 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:17,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:17,947 INFO L82 PathProgramCache]: Analyzing trace with hash -332677602, now seen corresponding path program 1 times [2021-10-24 04:39:17,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:17,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131737342] [2021-10-24 04:39:17,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:17,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:18,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:18,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131737342] [2021-10-24 04:39:18,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131737342] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:18,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:18,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 04:39:18,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829440007] [2021-10-24 04:39:18,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 04:39:18,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:18,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 04:39:18,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 04:39:18,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,223 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:18,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 04:39:18,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 04:39:18,240 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:18,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:18,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1061825978, now seen corresponding path program 1 times [2021-10-24 04:39:18,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:18,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741007106] [2021-10-24 04:39:18,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:18,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:18,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:18,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741007106] [2021-10-24 04:39:18,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741007106] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:18,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:18,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-24 04:39:18,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533255998] [2021-10-24 04:39:18,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-24 04:39:18,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:18,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-24 04:39:18,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-24 04:39:18,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:18,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 04:39:18,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:18,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 04:39:18,989 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:18,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:18,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2032475895, now seen corresponding path program 1 times [2021-10-24 04:39:18,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:18,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115236265] [2021-10-24 04:39:18,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:18,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:19,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:19,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115236265] [2021-10-24 04:39:19,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115236265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:19,239 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:19,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-24 04:39:19,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086615036] [2021-10-24 04:39:19,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 04:39:19,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:19,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 04:39:19,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-24 04:39:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,242 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:19,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 04:39:19,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:19,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:19,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:19,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 04:39:19,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-24 04:39:19,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 04:39:19,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1803085749, now seen corresponding path program 1 times [2021-10-24 04:39:19,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-24 04:39:19,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098163499] [2021-10-24 04:39:19,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 04:39:19,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 04:39:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 04:39:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 04:39:19,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-24 04:39:19,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098163499] [2021-10-24 04:39:19,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098163499] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 04:39:19,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 04:39:19,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-24 04:39:19,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634257080] [2021-10-24 04:39:19,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 04:39:19,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-24 04:39:19,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 04:39:19,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-10-24 04:39:19,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,641 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-24 04:39:19,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 04:39:19,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:19,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-24 04:39:19,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-24 04:39:19,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 04:39:20,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-24 04:39:20,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 04:39:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-24 04:39:20,984 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 04:39:20,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-24 04:39:20,985 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-24 04:39:20,986 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-24 04:39:20,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 04:39:21,001 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-24 04:39:21,001 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 04:39:21,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 04:39:21 BasicIcfg [2021-10-24 04:39:21,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 04:39:21,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 04:39:21,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 04:39:21,005 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 04:39:21,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:39:17" (3/4) ... [2021-10-24 04:39:21,008 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 04:39:21,014 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-10-24 04:39:21,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-10-24 04:39:21,015 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2021-10-24 04:39:21,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-24 04:39:21,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-24 04:39:21,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 04:39:21,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 04:39:21,065 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/witness.graphml [2021-10-24 04:39:21,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 04:39:21,066 INFO L168 Benchmark]: Toolchain (without parser) took 4617.00 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 90.9 MB in the beginning and 107.5 MB in the end (delta: -16.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,067 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 127.9 MB. Free memory was 101.6 MB in the beginning and 101.5 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 04:39:21,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 516.97 ms. Allocated memory is still 127.9 MB. Free memory was 90.7 MB in the beginning and 92.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,068 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.18 ms. Allocated memory is still 127.9 MB. Free memory was 92.2 MB in the beginning and 90.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,069 INFO L168 Benchmark]: Boogie Preprocessor took 22.77 ms. Allocated memory is still 127.9 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,070 INFO L168 Benchmark]: RCFGBuilder took 483.02 ms. Allocated memory is still 127.9 MB. Free memory was 89.3 MB in the beginning and 76.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,070 INFO L168 Benchmark]: TraceAbstraction took 3471.55 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 76.1 MB in the beginning and 110.6 MB in the end (delta: -34.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,070 INFO L168 Benchmark]: Witness Printer took 59.71 ms. Allocated memory is still 155.2 MB. Free memory was 110.6 MB in the beginning and 107.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 04:39:21,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 127.9 MB. Free memory was 101.6 MB in the beginning and 101.5 MB in the end (delta: 30.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 516.97 ms. Allocated memory is still 127.9 MB. Free memory was 90.7 MB in the beginning and 92.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.18 ms. Allocated memory is still 127.9 MB. Free memory was 92.2 MB in the beginning and 90.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.77 ms. Allocated memory is still 127.9 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 483.02 ms. Allocated memory is still 127.9 MB. Free memory was 89.3 MB in the beginning and 76.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3471.55 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 76.1 MB in the beginning and 110.6 MB in the end (delta: -34.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 16.1 GB. * Witness Printer took 59.71 ms. Allocated memory is still 155.2 MB. Free memory was 110.6 MB in the beginning and 107.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22441, positive: 21424, positive conditional: 20189, positive unconditional: 1235, negative: 1017, negative conditional: 987, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22220, positive: 21424, positive conditional: 20189, positive unconditional: 1235, negative: 796, negative conditional: 766, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22220, positive: 21424, positive conditional: 20189, positive unconditional: 1235, negative: 796, negative conditional: 766, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24205, positive: 21424, positive conditional: 19916, positive unconditional: 1508, negative: 2781, negative conditional: 1985, negative unconditional: 796, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24205, positive: 21424, positive conditional: 3866, positive unconditional: 17558, negative: 2781, negative conditional: 70, negative unconditional: 2711, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24205, positive: 21424, positive conditional: 3866, positive unconditional: 17558, negative: 2781, negative conditional: 70, negative unconditional: 2711, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1309, positive: 1266, positive conditional: 31, positive unconditional: 1235, negative: 43, negative conditional: 13, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1309, positive: 1229, positive conditional: 0, positive unconditional: 1229, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 43, negative conditional: 13, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 244, positive: 112, positive conditional: 94, positive unconditional: 18, negative: 133, negative conditional: 25, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24205, positive: 20158, positive conditional: 3835, positive unconditional: 16323, negative: 2738, negative conditional: 57, negative unconditional: 2681, unknown: 1309, unknown conditional: 44, unknown unconditional: 1265] , Statistics on independence cache: Total cache size (in pairs): 1309, Positive cache size: 1266, Positive conditional cache size: 31, Positive unconditional cache size: 1235, Negative cache size: 43, Negative conditional cache size: 13, Negative unconditional cache size: 30, Eliminated conditions: 17965, Maximal queried relation: 3, Independence queries for same thread: 221 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 371, Number of persistent set computation: 1313, Number of trivial persistent sets: 365, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1265, positive: 1235, positive conditional: 0, positive unconditional: 1235, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22441, positive: 21424, positive conditional: 20189, positive unconditional: 1235, negative: 1017, negative conditional: 987, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22220, positive: 21424, positive conditional: 20189, positive unconditional: 1235, negative: 796, negative conditional: 766, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22220, positive: 21424, positive conditional: 20189, positive unconditional: 1235, negative: 796, negative conditional: 766, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24205, positive: 21424, positive conditional: 19916, positive unconditional: 1508, negative: 2781, negative conditional: 1985, negative unconditional: 796, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24205, positive: 21424, positive conditional: 3866, positive unconditional: 17558, negative: 2781, negative conditional: 70, negative unconditional: 2711, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24205, positive: 21424, positive conditional: 3866, positive unconditional: 17558, negative: 2781, negative conditional: 70, negative unconditional: 2711, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1309, positive: 1266, positive conditional: 31, positive unconditional: 1235, negative: 43, negative conditional: 13, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1309, positive: 1229, positive conditional: 0, positive unconditional: 1229, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 37, positive conditional: 31, positive unconditional: 6, negative: 43, negative conditional: 13, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 244, positive: 112, positive conditional: 94, positive unconditional: 18, negative: 133, negative conditional: 25, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24205, positive: 20158, positive conditional: 3835, positive unconditional: 16323, negative: 2738, negative conditional: 57, negative unconditional: 2681, unknown: 1309, unknown conditional: 44, unknown unconditional: 1265] , Statistics on independence cache: Total cache size (in pairs): 1309, Positive cache size: 1266, Positive conditional cache size: 31, Positive unconditional cache size: 1235, Negative cache size: 43, Negative conditional cache size: 13, Negative unconditional cache size: 30, Eliminated conditions: 17965, Maximal queried relation: 3, Independence queries for same thread: 221 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3314.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.8ms, PartialOrderReductionTime: 1994.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.3ms SsaConstructionTime, 139.5ms SatisfiabilityAnalysisTime, 883.5ms InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 215 ConstructedInterpolants, 0 QuantifiedInterpolants, 973 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-24 04:39:21,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-24 04:39:21,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf147a92-66af-4b82-94a2-de682ebff5c9/bin/ugemcutter-s0tUvz4FYp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...