./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:05,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:05,913 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:49:05,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:05,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:05,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:05,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:05,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:05,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:05,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:05,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:05,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:05,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:05,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:05,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:05,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:05,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:05,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:05,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:05,956 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:05,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:05,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:05,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:05,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:05,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:05,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:05,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:05,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:05,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:05,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:05,961 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:05,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:05,962 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:05,962 INFO L153 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_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-21 18:49:06,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:06,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:06,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:06,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:06,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:06,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:49:09,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:10,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:10,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:49:10,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/data/4a15ab60d/e63d9653f0c0423eb66692d7acd23be4/FLAG0740ea88c [2023-11-21 18:49:10,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/data/4a15ab60d/e63d9653f0c0423eb66692d7acd23be4 [2023-11-21 18:49:10,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:10,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:10,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:10,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:10,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:10,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:10" (1/1) ... [2023-11-21 18:49:10,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5344b1af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:10, skipping insertion in model container [2023-11-21 18:49:10,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:10" (1/1) ... [2023-11-21 18:49:10,141 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:11,159 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_add1e02a-4a50-4c29-b30a-26ba71956961/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-21 18:49:11,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:11,244 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:11,359 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_add1e02a-4a50-4c29-b30a-26ba71956961/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-21 18:49:11,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:11,529 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:11,529 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:11,538 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:11,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11 WrapperNode [2023-11-21 18:49:11,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:11,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:11,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:11,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:11,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,629 INFO L138 Inliner]: procedures = 397, calls = 218, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 283 [2023-11-21 18:49:11,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:11,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:11,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:11,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:11,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:11,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:11,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:11,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:11,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:11" (1/1) ... [2023-11-21 18:49:11,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:11,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:11,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:11,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:49:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-21 18:49:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-21 18:49:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:49:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-21 18:49:11,866 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-21 18:49:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-21 18:49:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-21 18:49:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-21 18:49:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-21 18:49:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-21 18:49:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-21 18:49:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:49:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-21 18:49:11,868 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-21 18:49:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:49:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-21 18:49:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-21 18:49:11,871 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-21 18:49:11,871 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-21 18:49:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-21 18:49:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-21 18:49:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-21 18:49:11,872 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-21 18:49:11,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:11,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-21 18:49:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-21 18:49:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-21 18:49:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-21 18:49:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:49:11,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:49:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:49:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:49:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-21 18:49:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-21 18:49:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-21 18:49:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-21 18:49:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:49:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-21 18:49:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-21 18:49:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-21 18:49:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-21 18:49:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-21 18:49:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-21 18:49:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-21 18:49:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-21 18:49:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-21 18:49:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-21 18:49:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-21 18:49:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-21 18:49:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-21 18:49:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-21 18:49:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:11,882 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:49:12,160 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:12,166 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:12,937 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:13,349 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:49:13,414 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 -2147483648 <= #t~ret47#1 && #t~ret47#1 <= 2147483647;assume 0 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0;call TryCollision_#t~mem66#1 := read~int(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4);TryCollision_~mypid~2#1 := (if TryCollision_#t~mem66#1 % 4294967296 % 4294967296 <= 2147483647 then TryCollision_#t~mem66#1 % 4294967296 % 4294967296 else TryCollision_#t~mem66#1 % 4294967296 % 4294967296 - 4294967296);havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~int(TryCollision_~p#1.base, 4 + TryCollision_~p#1.offset, 4);assume 1 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:49:13,422 INFO L158 Benchmark]: Toolchain (without parser) took 3354.91ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 103.8MB in the beginning and 124.3MB in the end (delta: -20.5MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2023-11-21 18:49:13,424 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:13,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1470.84ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 111.4MB in the end (delta: -8.1MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2023-11-21 18:49:13,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.60ms. Allocated memory is still 153.1MB. Free memory was 111.4MB in the beginning and 107.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:13,427 INFO L158 Benchmark]: Boogie Preprocessor took 123.85ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 103.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:13,427 INFO L158 Benchmark]: RCFGBuilder took 1665.79ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 103.5MB in the beginning and 124.3MB in the end (delta: -20.8MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2023-11-21 18:49:13,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1470.84ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 111.4MB in the end (delta: -8.1MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.60ms. Allocated memory is still 153.1MB. Free memory was 111.4MB in the beginning and 107.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.85ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 103.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1665.79ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 103.5MB in the beginning and 124.3MB in the end (delta: -20.8MB). Peak memory consumption was 55.3MB. 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 -2147483648 <= #t~ret47#1 && #t~ret47#1 <= 2147483647;assume 0 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0;call TryCollision_#t~mem66#1 := read~int(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4);TryCollision_~mypid~2#1 := (if TryCollision_#t~mem66#1 % 4294967296 % 4294967296 <= 2147483647 then TryCollision_#t~mem66#1 % 4294967296 % 4294967296 else TryCollision_#t~mem66#1 % 4294967296 % 4294967296 - 4294967296);havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~int(TryCollision_~p#1.base, 4 + TryCollision_~p#1.offset, 4);assume 1 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). 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 -2147483648 <= #t~ret47#1 && #t~ret47#1 <= 2147483647;assume 0 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0;call TryCollision_#t~mem66#1 := read~int(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4);TryCollision_~mypid~2#1 := (if TryCollision_#t~mem66#1 % 4294967296 % 4294967296 <= 2147483647 then TryCollision_#t~mem66#1 % 4294967296 % 4294967296 else TryCollision_#t~mem66#1 % 4294967296 % 4294967296 - 4294967296);havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~int(TryCollision_~p#1.base, 4 + TryCollision_~p#1.offset, 4);assume 1 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:49:13,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:16,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:16,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-21 18:49:16,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:16,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:16,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:16,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:16,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:16,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:16,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:16,453 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:16,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:16,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:16,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:16,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:16,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:16,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:49:16,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:49:16,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:49:16,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:16,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:16,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:16,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:16,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:16,461 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:16,461 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:16,462 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:49:16,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:16,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:16,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:16,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:16,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:16,465 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:49:16,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:16,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:16,466 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:49:16,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:49:16,466 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-21 18:49:16,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:16,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:16,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:16,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:16,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:16,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:49:20,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:20,532 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:20,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:49:20,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/data/882e02201/347bfa71789e46ffa1c25bc5a88afb08/FLAGb14c1ac1c [2023-11-21 18:49:20,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/data/882e02201/347bfa71789e46ffa1c25bc5a88afb08 [2023-11-21 18:49:20,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:20,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:20,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:20,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:20,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:20,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:20" (1/1) ... [2023-11-21 18:49:20,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e4cbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:20, skipping insertion in model container [2023-11-21 18:49:20,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:20" (1/1) ... [2023-11-21 18:49:20,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:21,617 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_add1e02a-4a50-4c29-b30a-26ba71956961/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-21 18:49:21,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:21,676 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:21,771 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_add1e02a-4a50-4c29-b30a-26ba71956961/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-21 18:49:21,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:21,920 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:21,920 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:21,926 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:21,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21 WrapperNode [2023-11-21 18:49:21,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:21,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:21,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:21,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:21,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:21,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,018 INFO L138 Inliner]: procedures = 401, calls = 218, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 275 [2023-11-21 18:49:22,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:22,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:22,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:22,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:22,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:22,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:22,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:22,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:22,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:21" (1/1) ... [2023-11-21 18:49:22,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:22,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:22,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:22,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:49:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:49:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:49:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-21 18:49:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-21 18:49:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:49:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-21 18:49:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-21 18:49:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-21 18:49:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-21 18:49:22,244 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-21 18:49:22,244 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-21 18:49:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-21 18:49:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-21 18:49:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-21 18:49:22,245 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-21 18:49:22,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:49:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-21 18:49:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-21 18:49:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-21 18:49:22,246 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-21 18:49:22,246 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-21 18:49:22,247 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-21 18:49:22,247 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-21 18:49:22,247 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-21 18:49:22,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:22,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:22,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:49:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-21 18:49:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-21 18:49:22,267 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-21 18:49:22,267 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-21 18:49:22,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:49:22,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:49:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:49:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:49:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:49:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-21 18:49:22,269 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-21 18:49:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-21 18:49:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-21 18:49:22,270 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-21 18:49:22,270 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-21 18:49:22,271 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-21 18:49:22,271 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-21 18:49:22,271 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-21 18:49:22,272 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-21 18:49:22,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-21 18:49:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-21 18:49:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-21 18:49:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-21 18:49:22,273 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-21 18:49:22,273 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-21 18:49:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-21 18:49:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-21 18:49:22,276 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:49:22,523 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:22,525 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:23,740 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:24,214 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:49:24,272 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 0bv32 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0bv32;call TryCollision_#t~mem66#1 := read~intINTTYPE4(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4bv32);TryCollision_~mypid~2#1 := TryCollision_#t~mem66#1;havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~intINTTYPE4(TryCollision_~p#1.base, ~bvadd~32(4bv32, TryCollision_~p#1.offset), 4bv32);assume 1bv32 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:49:24,278 INFO L158 Benchmark]: Toolchain (without parser) took 3698.80ms. Allocated memory was 75.5MB in the beginning and 123.7MB in the end (delta: 48.2MB). Free memory was 44.0MB in the beginning and 50.5MB in the end (delta: -6.4MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-11-21 18:49:24,279 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:24,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.15ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 43.8MB in the beginning and 60.3MB in the end (delta: -16.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-21 18:49:24,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.34ms. Allocated memory is still 102.8MB. Free memory was 60.3MB in the beginning and 56.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:24,282 INFO L158 Benchmark]: Boogie Preprocessor took 136.30ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 51.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:49:24,283 INFO L158 Benchmark]: RCFGBuilder took 2119.38ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 51.5MB in the beginning and 50.5MB in the end (delta: 1.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-21 18:49:24,292 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 75.5MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.15ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 43.8MB in the beginning and 60.3MB in the end (delta: -16.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.34ms. Allocated memory is still 102.8MB. Free memory was 60.3MB in the beginning and 56.5MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.30ms. Allocated memory is still 102.8MB. Free memory was 56.5MB in the beginning and 51.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2119.38ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 51.5MB in the beginning and 50.5MB in the end (delta: 1.0MB). Peak memory consumption was 23.0MB. 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 0bv32 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0bv32;call TryCollision_#t~mem66#1 := read~intINTTYPE4(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4bv32);TryCollision_~mypid~2#1 := TryCollision_#t~mem66#1;havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~intINTTYPE4(TryCollision_~p#1.base, ~bvadd~32(4bv32, TryCollision_~p#1.offset), 4bv32);assume 1bv32 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). 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 0bv32 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0bv32;call TryCollision_#t~mem66#1 := read~intINTTYPE4(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4bv32);TryCollision_~mypid~2#1 := TryCollision_#t~mem66#1;havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~intINTTYPE4(TryCollision_~p#1.base, ~bvadd~32(4bv32, TryCollision_~p#1.offset), 4bv32);assume 1bv32 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:49:24,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add1e02a-4a50-4c29-b30a-26ba71956961/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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 0bv32 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0bv32;call TryCollision_#t~mem66#1 := read~intINTTYPE4(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4bv32);TryCollision_~mypid~2#1 := TryCollision_#t~mem66#1;havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~intINTTYPE4(TryCollision_~p#1.base, ~bvadd~32(4bv32, TryCollision_~p#1.offset), 4bv32);assume 1bv32 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). Is there illegal control flow (e.g. loops) within an atomic block?