./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 2329fc70 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_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:32:40,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:32:40,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:32:40,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:32:40,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:32:40,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:32:40,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:32:40,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:32:40,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:32:40,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:32:40,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:32:40,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:32:40,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:32:40,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:32:40,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:32:40,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:32:40,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:32:40,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:32:40,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:32:40,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:32:40,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:32:40,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:32:40,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:32:40,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:32:40,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:32:40,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:32:40,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:32:40,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:32:40,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:32:40,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:32:40,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:32:40,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:32:40,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:32:40,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:32:40,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:32:40,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:32:40,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:32:40,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:32:40,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:32:40,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:32:40,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:32:40,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 01:32:40,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:32:40,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:32:40,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:32:40,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:32:40,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:32:40,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:32:40,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:32:40,706 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:32:40,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:32:40,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:32:40,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:32:40,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:32:40,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:32:40,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:32:40,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:32:40,707 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:32:40,708 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:32:40,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:32:40,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:32:40,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:32:40,708 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:32:40,709 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:32:40,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:32:40,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:32:40,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:32:40,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:32:40,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:32:40,715 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:32:40,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:32:40,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:32:40,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-12-15 01:32:40,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:32:40,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:32:40,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:32:40,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:32:40,934 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:32:40,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-12-15 01:32:43,430 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:32:43,681 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:32:43,682 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-12-15 01:32:43,698 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/data/07bcacab2/114c9c56533b45b7915da7846fc2a1d7/FLAGa78695e7f [2022-12-15 01:32:43,994 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/data/07bcacab2/114c9c56533b45b7915da7846fc2a1d7 [2022-12-15 01:32:43,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:32:43,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:32:43,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:32:43,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:32:44,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:32:44,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:32:43" (1/1) ... [2022-12-15 01:32:44,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38625276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44, skipping insertion in model container [2022-12-15 01:32:44,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:32:43" (1/1) ... [2022-12-15 01:32:44,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:32:44,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:32:44,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,447 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,457 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,471 WARN L237 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_a6a2c230-0510-4400-9787-3051a064e7f6/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-12-15 01:32:44,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,477 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,478 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:32:44,500 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:32:44,528 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,529 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,544 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,547 WARN L237 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_a6a2c230-0510-4400-9787-3051a064e7f6/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-12-15 01:32:44,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:44,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:44,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:32:44,625 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:32:44,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44 WrapperNode [2022-12-15 01:32:44,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:32:44,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:32:44,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:32:44,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:32:44,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,668 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 282 [2022-12-15 01:32:44,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:32:44,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:32:44,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:32:44,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:32:44,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:32:44,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:32:44,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:32:44,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:32:44,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:44" (1/1) ... [2022-12-15 01:32:44,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:32:44,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:32:44,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:32:44,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:32:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 01:32:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:32:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2022-12-15 01:32:44,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2022-12-15 01:32:44,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 01:32:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2022-12-15 01:32:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2022-12-15 01:32:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2022-12-15 01:32:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2022-12-15 01:32:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2022-12-15 01:32:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2022-12-15 01:32:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2022-12-15 01:32:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2022-12-15 01:32:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:32:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2022-12-15 01:32:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2022-12-15 01:32:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:32:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 01:32:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2022-12-15 01:32:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2022-12-15 01:32:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-12-15 01:32:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-12-15 01:32:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-12-15 01:32:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-12-15 01:32:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-12-15 01:32:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-12-15 01:32:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:32:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:32:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-12-15 01:32:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-12-15 01:32:44,761 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2022-12-15 01:32:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2022-12-15 01:32:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:32:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:32:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:32:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 01:32:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-15 01:32:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2022-12-15 01:32:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2022-12-15 01:32:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-12-15 01:32:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-12-15 01:32:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:32:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-12-15 01:32:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-12-15 01:32:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-12-15 01:32:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-12-15 01:32:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-12-15 01:32:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-12-15 01:32:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2022-12-15 01:32:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2022-12-15 01:32:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-12-15 01:32:44,763 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-12-15 01:32:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2022-12-15 01:32:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2022-12-15 01:32:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2022-12-15 01:32:44,764 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2022-12-15 01:32:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:32:44,766 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 01:32:44,935 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:32:44,937 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:32:45,452 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:32:45,698 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:32:45,699 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:32:45,699 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2022-12-15 01:32:45,700 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 01:32:45,704 INFO L158 Benchmark]: Toolchain (without parser) took 1705.46ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 79.5MB in the end (delta: 13.6MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-12-15 01:32:45,704 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 75.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:32:45,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.89ms. Allocated memory is still 140.5MB. Free memory was 93.0MB in the beginning and 91.6MB in the end (delta: 1.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-12-15 01:32:45,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.98ms. Allocated memory is still 140.5MB. Free memory was 91.6MB in the beginning and 88.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:32:45,706 INFO L158 Benchmark]: Boogie Preprocessor took 33.09ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 84.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:32:45,706 INFO L158 Benchmark]: RCFGBuilder took 1000.32ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 79.5MB in the end (delta: 4.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2022-12-15 01:32:45,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 75.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.89ms. Allocated memory is still 140.5MB. Free memory was 93.0MB in the beginning and 91.6MB in the end (delta: 1.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.98ms. Allocated memory is still 140.5MB. Free memory was 91.6MB in the beginning and 88.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.09ms. Allocated memory is still 140.5MB. Free memory was 88.0MB in the beginning and 84.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.32ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 79.5MB in the end (delta: 4.5MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 01:32:45,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/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_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:32:47,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:32:47,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:32:47,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:32:47,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:32:47,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:32:47,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:32:47,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:32:47,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:32:47,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:32:47,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:32:47,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:32:47,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:32:47,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:32:47,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:32:47,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:32:47,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:32:47,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:32:47,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:32:47,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:32:47,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:32:47,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:32:47,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:32:47,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:32:47,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:32:47,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:32:47,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:32:47,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:32:47,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:32:47,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:32:47,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:32:47,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:32:47,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:32:47,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:32:47,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:32:47,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:32:47,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:32:47,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:32:47,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:32:47,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:32:47,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:32:47,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 01:32:47,495 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:32:47,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:32:47,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:32:47,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:32:47,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:32:47,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:32:47,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:32:47,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:32:47,498 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:32:47,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:32:47,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:32:47,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:32:47,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:32:47,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:32:47,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 01:32:47,499 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 01:32:47,499 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:32:47,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 01:32:47,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:32:47,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:32:47,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:32:47,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:32:47,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:32:47,501 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:32:47,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:32:47,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:32:47,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:32:47,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:32:47,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:32:47,502 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 01:32:47,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 01:32:47,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:32:47,502 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 01:32:47,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 01:32:47,503 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-12-15 01:32:47,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:32:47,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:32:47,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:32:47,757 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:32:47,757 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:32:47,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-12-15 01:32:50,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:32:50,642 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:32:50,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-12-15 01:32:50,658 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/data/7860ba63e/74cc4afe07814cc6b01258e112ea4449/FLAGfcbd4e67f [2022-12-15 01:32:50,672 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/data/7860ba63e/74cc4afe07814cc6b01258e112ea4449 [2022-12-15 01:32:50,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:32:50,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:32:50,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:32:50,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:32:50,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:32:50,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:32:50" (1/1) ... [2022-12-15 01:32:50,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f9d97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:50, skipping insertion in model container [2022-12-15 01:32:50,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:32:50" (1/1) ... [2022-12-15 01:32:50,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:32:50,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:32:51,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,184 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,189 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,222 WARN L237 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_a6a2c230-0510-4400-9787-3051a064e7f6/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-12-15 01:32:51,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,224 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,226 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:32:51,259 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:32:51,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,328 WARN L237 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_a6a2c230-0510-4400-9787-3051a064e7f6/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-12-15 01:32:51,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:32:51,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:32:51,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:32:51,412 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:32:51,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51 WrapperNode [2022-12-15 01:32:51,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:32:51,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:32:51,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:32:51,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:32:51,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,473 INFO L138 Inliner]: procedures = 401, calls = 214, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 274 [2022-12-15 01:32:51,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:32:51,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:32:51,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:32:51,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:32:51,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:32:51,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:32:51,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:32:51,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:32:51,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:32:51" (1/1) ... [2022-12-15 01:32:51,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:32:51,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:32:51,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:32:51,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:32:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2022-12-15 01:32:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2022-12-15 01:32:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2022-12-15 01:32:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2022-12-15 01:32:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2022-12-15 01:32:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2022-12-15 01:32:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2022-12-15 01:32:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2022-12-15 01:32:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-12-15 01:32:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-12-15 01:32:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-12-15 01:32:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:32:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-12-15 01:32:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-12-15 01:32:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2022-12-15 01:32:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:32:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2022-12-15 01:32:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-12-15 01:32:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-12-15 01:32:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-12-15 01:32:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-12-15 01:32:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-12-15 01:32:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-12-15 01:32:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-12-15 01:32:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2022-12-15 01:32:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2022-12-15 01:32:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-12-15 01:32:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-12-15 01:32:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2022-12-15 01:32:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2022-12-15 01:32:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2022-12-15 01:32:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2022-12-15 01:32:51,594 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 01:32:51,781 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:32:51,783 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:32:52,584 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:32:52,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:32:52,802 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 01:32:52,803 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2022-12-15 01:32:52,804 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 01:32:52,807 INFO L158 Benchmark]: Toolchain (without parser) took 2130.76ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 57.2MB in the beginning and 47.2MB in the end (delta: 10.0MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-12-15 01:32:52,807 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:32:52,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.59ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 49.8MB in the end (delta: 7.3MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-12-15 01:32:52,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.84ms. Allocated memory is still 81.8MB. Free memory was 49.8MB in the beginning and 46.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:32:52,808 INFO L158 Benchmark]: Boogie Preprocessor took 56.35ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 41.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:32:52,809 INFO L158 Benchmark]: RCFGBuilder took 1275.28ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 41.4MB in the beginning and 47.2MB in the end (delta: -5.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-12-15 01:32:52,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.59ms. Allocated memory is still 81.8MB. Free memory was 57.1MB in the beginning and 49.8MB in the end (delta: 7.3MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.84ms. Allocated memory is still 81.8MB. Free memory was 49.8MB in the beginning and 46.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.35ms. Allocated memory is still 81.8MB. Free memory was 46.0MB in the beginning and 41.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1275.28ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 41.4MB in the beginning and 47.2MB in the end (delta: -5.8MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 01:32:52,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a2c230-0510-4400-9787-3051a064e7f6/bin/ukojak-rkRKPMF4O4/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?