./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:36,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:37,113 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:39:37,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:37,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:37,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:37,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:37,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:37,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:37,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:37,186 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:37,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:37,187 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:37,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:37,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:37,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:37,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:37,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:37,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:37,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:37,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:37,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:37,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:37,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:37,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:37,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:37,199 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:37,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:37,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:37,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:37,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:37,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:37,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:37,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:37,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:37,204 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:37,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:37,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:37,205 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:37,205 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2023-11-19 07:39:37,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:37,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:37,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:37,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:37,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:37,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2023-11-19 07:39:40,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:41,070 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:41,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2023-11-19 07:39:41,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/59f1dab2a/0954d55e813e4b64ad603da7380bd140/FLAGa0a0740b9 [2023-11-19 07:39:41,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/59f1dab2a/0954d55e813e4b64ad603da7380bd140 [2023-11-19 07:39:41,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:41,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:41,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:41,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:41,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:41,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df89b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41, skipping insertion in model container [2023-11-19 07:39:41,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,176 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:41,534 WARN L240 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2023-11-19 07:39:41,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:41,659 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:41,690 WARN L240 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2023-11-19 07:39:41,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:41,833 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:41,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41 WrapperNode [2023-11-19 07:39:41,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:41,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:41,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:41,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:41,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,941 INFO L138 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 557 [2023-11-19 07:39:41,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:41,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:41,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:41,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:41,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:41,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:42,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:42,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:42,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:42,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:42,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:42,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:42,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:42,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:41" (1/1) ... [2023-11-19 07:39:42,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:42,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:42,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:42,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:39:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:39:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:39:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:39:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:39:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:39:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 07:39:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 07:39:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:39:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 07:39:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 07:39:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 07:39:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 07:39:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:39:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 07:39:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 07:39:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-19 07:39:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-19 07:39:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:42,459 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:42,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:42,933 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 07:39:42,936 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);reader_#res#1.base, reader_#res#1.offset := 0, 0; [2023-11-19 07:39:45,116 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:45,162 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:45,162 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:39:45,166 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~int(~#w~0.base, ~#w~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 07:39:45,172 INFO L158 Benchmark]: Toolchain (without parser) took 4059.20ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 123.1MB in the beginning and 111.1MB in the end (delta: 12.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-11-19 07:39:45,173 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:45,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.00ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 96.7MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 07:39:45,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.46ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 91.1MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:39:45,176 INFO L158 Benchmark]: Boogie Preprocessor took 86.12ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:39:45,177 INFO L158 Benchmark]: RCFGBuilder took 3140.60ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 86.9MB in the beginning and 111.1MB in the end (delta: -24.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 07:39:45,181 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.00ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 96.7MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.46ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 91.1MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.12ms. Allocated memory is still 155.2MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3140.60ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 86.9MB in the beginning and 111.1MB in the end (delta: -24.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~int(~#w~0.base, ~#w~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~int(~#w~0.base, ~#w~0.offset + 4 * (if ~__CS_round~0 % 256 % 4294967296 <= 2147483647 then ~__CS_round~0 % 256 % 4294967296 else ~__CS_round~0 % 256 % 4294967296 - 4294967296), 4);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 07:39:45,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:47,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:47,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:39:47,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:47,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:48,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:48,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:48,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:48,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:48,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:48,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:48,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:48,043 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:48,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:48,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:48,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:48,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:48,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:48,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:48,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:48,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:48,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:39:48,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:39:48,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:39:48,064 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:48,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:48,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:48,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:48,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:48,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:48,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:48,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:48,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:48,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:48,070 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:39:48,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:39:48,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:48,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:48,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:48,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:48,072 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:39:48,073 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:48,073 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2023-11-19 07:39:48,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:48,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:48,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:48,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:48,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:48,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2023-11-19 07:39:51,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:52,111 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:52,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2023-11-19 07:39:52,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/ec498086c/53be479502dd4935a7fdf7da1b734a79/FLAGba0f30557 [2023-11-19 07:39:52,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/data/ec498086c/53be479502dd4935a7fdf7da1b734a79 [2023-11-19 07:39:52,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:52,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:52,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:52,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:52,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:52,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:52" (1/1) ... [2023-11-19 07:39:52,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3213b496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:52, skipping insertion in model container [2023-11-19 07:39:52,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:52" (1/1) ... [2023-11-19 07:39:52,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:52,741 WARN L240 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2023-11-19 07:39:52,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:52,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:53,017 WARN L240 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_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2023-11-19 07:39:53,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:53,174 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:53,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53 WrapperNode [2023-11-19 07:39:53,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:53,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:53,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:53,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:53,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,308 INFO L138 Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 550 [2023-11-19 07:39:53,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:53,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:53,318 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:53,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:53,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:53,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:53,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:53,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:53,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:53" (1/1) ... [2023-11-19 07:39:53,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:53,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:53,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:53,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 07:39:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:39:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:39:53,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:39:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:39:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:39:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 07:39:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 07:39:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:39:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 07:39:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 07:39:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 07:39:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 07:39:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 07:39:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:39:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:39:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:39:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 07:39:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 07:39:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 07:39:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-19 07:39:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-19 07:39:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:53,749 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:53,752 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:54,360 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extend~32~8(~__CS_ret~0)); [2023-11-19 07:39:54,360 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extend~32~8(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2023-11-19 07:39:57,915 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:57,966 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:57,967 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:39:57,971 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 07:39:57,976 INFO L158 Benchmark]: Toolchain (without parser) took 5806.04ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 43.0MB in the end (delta: 36.1MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-11-19 07:39:57,977 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:57,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 999.79ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 50.5MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 07:39:57,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.68ms. Allocated memory is still 104.9MB. Free memory was 50.5MB in the beginning and 78.9MB in the end (delta: -28.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:57,980 INFO L158 Benchmark]: Boogie Preprocessor took 150.76ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 73.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:39:57,981 INFO L158 Benchmark]: RCFGBuilder took 4505.13ms. Allocated memory is still 104.9MB. Free memory was 73.8MB in the beginning and 43.0MB in the end (delta: 30.8MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:57,994 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 999.79ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 50.5MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.68ms. Allocated memory is still 104.9MB. Free memory was 50.5MB in the beginning and 78.9MB in the end (delta: -28.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.76ms. Allocated memory is still 104.9MB. Free memory was 78.9MB in the beginning and 73.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4505.13ms. Allocated memory is still 104.9MB. Free memory was 73.8MB in the beginning and 43.0MB in the end (delta: 30.8MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 07:39:58,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddaeaf9f-adf4-4244-80ca-18b11cd6253b/bin/uautomizer-verify-uCwYo4JHxu/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: Incomplete atomic composition (dangling start of atomic block: assume { :begin_inline___VERIFIER_atomic_take_read_lock } true;havoc __VERIFIER_atomic_take_read_lock_#t~mem24#1, __VERIFIER_atomic_take_read_lock_#t~mem25#1, __VERIFIER_atomic_take_read_lock_#t~mem26#1, __VERIFIER_atomic_take_read_lock_#t~mem27#1;call __VERIFIER_atomic_take_read_lock_#t~mem24#1 := read~intINTTYPE4(~#w~0.base, ~bvadd~32(~#w~0.offset, ~bvmul~32(4bv32, ~zero_extend~32~8(~__CS_round~0))), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?