./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-9bd2c7f [2023-11-19 03:15:57,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:57,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:15:57,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:57,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:57,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:57,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:57,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:57,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:57,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:57,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:57,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:57,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:57,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:57,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:57,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:57,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:57,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:57,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:57,796 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:57,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:57,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:57,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:57,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:57,799 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:57,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:57,800 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:57,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:57,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:57,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:57,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:57,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:57,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:57,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:57,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:57,805 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_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-19 03:15:58,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:58,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:58,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:58,126 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:58,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:58,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-19 03:16:01,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:01,648 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:01,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-19 03:16:01,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/data/3387b8164/f106b927115e4df392321506ede41e3a/FLAG22be38a2f [2023-11-19 03:16:01,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/data/3387b8164/f106b927115e4df392321506ede41e3a [2023-11-19 03:16:01,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:01,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:01,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:01,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:01,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:01,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:01" (1/1) ... [2023-11-19 03:16:01,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6384213b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:01, skipping insertion in model container [2023-11-19 03:16:01,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:01" (1/1) ... [2023-11-19 03:16:01,772 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:02,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:02,541 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:02,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:02,768 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:02,768 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:02,776 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:02,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02 WrapperNode [2023-11-19 03:16:02,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:02,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:02,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:02,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:02,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,884 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 318 [2023-11-19 03:16:02,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:02,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:02,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:02,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:02,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,933 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:02,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:02,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:02,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:02,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:02" (1/1) ... [2023-11-19 03:16:02,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:02,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:02,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:03,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:16:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-19 03:16:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-19 03:16:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:16:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-19 03:16:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-19 03:16:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-19 03:16:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-19 03:16:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-19 03:16:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-19 03:16:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-19 03:16:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-19 03:16:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:16:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-19 03:16:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-19 03:16:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:16:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-19 03:16:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-19 03:16:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-19 03:16:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-19 03:16:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-19 03:16:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-19 03:16:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-19 03:16:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-19 03:16:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-19 03:16:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-19 03:16:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-19 03:16:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-19 03:16:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:16:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:16:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:16:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:16:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-19 03:16:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-19 03:16:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-19 03:16:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-19 03:16:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:16:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-19 03:16:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-19 03:16:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-19 03:16:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-19 03:16:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-19 03:16:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-19 03:16:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-19 03:16:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-19 03:16:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-19 03:16:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-19 03:16:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-19 03:16:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-19 03:16:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-19 03:16:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-19 03:16:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:03,063 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:16:03,341 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:03,343 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:04,186 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:04,760 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:04,760 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:16:04,763 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: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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:16:04,768 INFO L158 Benchmark]: Toolchain (without parser) took 3073.91ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 50.2MB in the beginning and 76.8MB in the end (delta: -26.6MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-11-19 03:16:04,768 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:04,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1083.09ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 50.0MB in the beginning and 68.2MB in the end (delta: -18.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-19 03:16:04,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.69ms. Allocated memory is still 134.2MB. Free memory was 68.1MB in the beginning and 64.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:16:04,770 INFO L158 Benchmark]: Boogie Preprocessor took 64.12ms. Allocated memory is still 134.2MB. Free memory was 64.0MB in the beginning and 59.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:16:04,771 INFO L158 Benchmark]: RCFGBuilder took 1815.39ms. Allocated memory is still 134.2MB. Free memory was 59.8MB in the beginning and 76.8MB in the end (delta: -17.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-19 03:16:04,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1083.09ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 50.0MB in the beginning and 68.2MB in the end (delta: -18.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.69ms. Allocated memory is still 134.2MB. Free memory was 68.1MB in the beginning and 64.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.12ms. Allocated memory is still 134.2MB. Free memory was 64.0MB in the beginning and 59.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1815.39ms. Allocated memory is still 134.2MB. Free memory was 59.8MB in the beginning and 76.8MB in the end (delta: -17.0MB). Peak memory consumption was 21.8MB. 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 -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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:16:04,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/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_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-9bd2c7f [2023-11-19 03:16:07,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:07,471 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:16:07,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:07,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:07,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:07,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:07,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:07,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:07,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:07,513 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:07,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:07,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:07,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:07,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:07,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:07,517 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:16:07,517 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:16:07,518 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:16:07,518 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:16:07,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:16:07,520 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:07,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:07,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:07,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:07,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:07,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:07,523 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:07,523 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:16:07,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:07,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:07,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:07,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:07,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:07,526 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:16:07,526 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:16:07,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:07,527 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:16:07,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:16:07,527 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_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-19 03:16:07,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:07,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:07,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:07,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:07,969 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:07,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-19 03:16:11,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:11,558 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:11,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-19 03:16:11,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/data/e425412bc/53cfa502a8c14795964db761b5e5ca3a/FLAGa0084269d [2023-11-19 03:16:11,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/data/e425412bc/53cfa502a8c14795964db761b5e5ca3a [2023-11-19 03:16:11,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:11,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:11,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:11,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:11,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:11,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:11" (1/1) ... [2023-11-19 03:16:11,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476c8dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:11, skipping insertion in model container [2023-11-19 03:16:11,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:11" (1/1) ... [2023-11-19 03:16:11,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:12,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:12,970 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:13,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:13,219 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:13,219 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:16:13,230 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:13,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13 WrapperNode [2023-11-19 03:16:13,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:13,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:13,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:13,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:13,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,362 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 310 [2023-11-19 03:16:13,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:13,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:13,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:13,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:13,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:13,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:13,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:13,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:13,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:13" (1/1) ... [2023-11-19 03:16:13,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:13,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:13,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:13,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:16:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:16:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:16:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:16:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-19 03:16:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-19 03:16:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:16:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-19 03:16:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-19 03:16:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-19 03:16:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-19 03:16:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-19 03:16:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-19 03:16:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-19 03:16:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-19 03:16:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-19 03:16:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-19 03:16:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:16:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-19 03:16:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-19 03:16:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-19 03:16:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-19 03:16:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-19 03:16:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-19 03:16:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-19 03:16:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-19 03:16:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:16:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-19 03:16:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-19 03:16:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-19 03:16:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-19 03:16:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:16:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:16:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:16:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:16:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:16:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:16:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-19 03:16:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-19 03:16:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-19 03:16:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-19 03:16:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-19 03:16:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-19 03:16:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-19 03:16:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-19 03:16:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-19 03:16:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-19 03:16:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-19 03:16:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-19 03:16:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-19 03:16:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-19 03:16:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-19 03:16:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-19 03:16:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-19 03:16:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-19 03:16:13,565 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:16:13,839 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:13,841 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:14,975 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:15,610 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:15,610 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:16:15,613 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: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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:16:15,621 INFO L158 Benchmark]: Toolchain (without parser) took 3993.59ms. Allocated memory was 62.9MB in the beginning and 111.1MB in the end (delta: 48.2MB). Free memory was 24.5MB in the beginning and 71.5MB in the end (delta: -47.0MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-19 03:16:15,622 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:16:15,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1604.25ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 24.4MB in the beginning and 44.8MB in the end (delta: -20.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-19 03:16:15,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.28ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 40.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:16:15,625 INFO L158 Benchmark]: Boogie Preprocessor took 106.61ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 61.4MB in the end (delta: -20.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-11-19 03:16:15,626 INFO L158 Benchmark]: RCFGBuilder took 2143.73ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 61.4MB in the beginning and 71.5MB in the end (delta: -10.1MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-19 03:16:15,636 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.2MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1604.25ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 24.4MB in the beginning and 44.8MB in the end (delta: -20.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.28ms. Allocated memory is still 92.3MB. Free memory was 44.8MB in the beginning and 40.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.61ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 61.4MB in the end (delta: -20.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2143.73ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 61.4MB in the beginning and 71.5MB in the end (delta: -10.1MB). Peak memory consumption was 46.2MB. 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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:16:15,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fa21de-6b92-49cd-b513-75ed8d821134/bin/ukojak-verify-G8NBE6pJGL/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?