./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9 --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 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:21:38,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:21:38,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:21:38,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:21:38,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:21:38,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:21:38,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:21:38,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:21:38,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:21:38,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:21:38,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:21:38,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:21:38,433 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:21:38,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:21:38,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:21:38,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:21:38,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:21:38,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:21:38,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:21:38,437 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:21:38,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:21:38,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:21:38,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:21:38,439 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:21:38,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:21:38,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:21:38,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:21:38,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:21:38,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:21:38,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:21:38,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:21:38,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:21:38,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:21:38,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:21:38,443 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:21:38,443 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_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e [2023-12-02 22:21:38,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:21:38,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:21:38,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:21:38,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:21:38,703 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:21:38,704 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2023-12-02 22:21:41,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:21:41,595 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:21:41,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2023-12-02 22:21:41,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/data/a62738ff2/4a0943391af7436881319b816528a6ed/FLAG36ff1b52b [2023-12-02 22:21:41,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/data/a62738ff2/4a0943391af7436881319b816528a6ed [2023-12-02 22:21:41,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:21:41,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:21:41,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:21:41,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:21:41,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:21:41,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63869f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41, skipping insertion in model container [2023-12-02 22:21:41,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:21:41,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:21:41,850 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:21:41,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:21:41,893 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:21:41,893 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:21:41,899 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:21:41,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41 WrapperNode [2023-12-02 22:21:41,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:21:41,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:21:41,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:21:41,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:21:41,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,934 INFO L138 Inliner]: procedures = 25, calls = 69, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-12-02 22:21:41,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:21:41,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:21:41,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:21:41,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:21:41,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:21:41,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:21:41,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:21:41,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:21:41,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:41" (1/1) ... [2023-12-02 22:21:41,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:21:41,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:21:42,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:21:42,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:21:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:21:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:21:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:21:42,040 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 22:21:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 22:21:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:21:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:21:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:21:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:21:42,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:21:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 22:21:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 22:21:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:21:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:21:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:21:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:21:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:21:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:21:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:21:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:21:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:21:42,045 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:21:42,163 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:21:42,166 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:21:42,537 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:21:42,737 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-02 22:21:42,759 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:21:42,763 INFO L158 Benchmark]: Toolchain (without parser) took 1143.61ms. Allocated memory is still 169.9MB. Free memory was 133.6MB in the beginning and 105.5MB in the end (delta: 28.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-12-02 22:21:42,764 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 85.3MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:21:42,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.67ms. Allocated memory is still 169.9MB. Free memory was 133.2MB in the beginning and 120.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:21:42,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.28ms. Allocated memory is still 169.9MB. Free memory was 120.3MB in the beginning and 118.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:21:42,766 INFO L158 Benchmark]: Boogie Preprocessor took 28.93ms. Allocated memory is still 169.9MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:21:42,766 INFO L158 Benchmark]: RCFGBuilder took 796.84ms. Allocated memory is still 169.9MB. Free memory was 116.5MB in the beginning and 105.5MB in the end (delta: 11.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-12-02 22:21:42,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 85.3MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.67ms. Allocated memory is still 169.9MB. Free memory was 133.2MB in the beginning and 120.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.28ms. Allocated memory is still 169.9MB. Free memory was 120.3MB in the beginning and 118.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.93ms. Allocated memory is still 169.9MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.84ms. Allocated memory is still 169.9MB. Free memory was 116.5MB in the beginning and 105.5MB in the end (delta: 11.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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 end of atomic block: havoc #t~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:21:42,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/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_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9 --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 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:21:44,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:21:44,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:21:44,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:21:44,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:21:44,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:21:44,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:21:44,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:21:44,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:21:44,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:21:44,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:21:44,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:21:44,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:21:44,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:21:44,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:21:44,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:21:44,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:21:44,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:21:44,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:21:44,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:21:44,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:21:44,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:21:44,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:21:44,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:21:44,862 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:21:44,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:21:44,863 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:21:44,864 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:44,864 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:21:44,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:21:44,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:21:44,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:21:44,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:21:44,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:21:44,866 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:21:44,866 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:44,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:21:44,867 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:21:44,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:21:44,867 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_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e [2023-12-02 22:21:45,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:21:45,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:21:45,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:21:45,174 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:21:45,175 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:21:45,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2023-12-02 22:21:47,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:21:48,129 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:21:48,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2023-12-02 22:21:48,140 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/data/6a1afc5dd/987251fd0d3e416f97daf3f03772ed45/FLAGa3d5ef456 [2023-12-02 22:21:48,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/data/6a1afc5dd/987251fd0d3e416f97daf3f03772ed45 [2023-12-02 22:21:48,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:21:48,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:21:48,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:21:48,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:21:48,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:21:48,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53bd749e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48, skipping insertion in model container [2023-12-02 22:21:48,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:21:48,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:21:48,723 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:21:48,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:21:48,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:21:48,762 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:21:48,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:21:48,808 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:21:48,808 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:21:48,816 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:21:48,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48 WrapperNode [2023-12-02 22:21:48,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:21:48,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:21:48,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:21:48,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:21:48,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,861 INFO L138 Inliner]: procedures = 27, calls = 69, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-12-02 22:21:48,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:21:48,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:21:48,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:21:48,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:21:48,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:21:48,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:21:48,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:21:48,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:21:48,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:48" (1/1) ... [2023-12-02 22:21:48,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:21:48,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:21:48,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:21:48,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:21:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:21:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:21:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:21:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 22:21:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 22:21:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:21:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:21:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:21:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:21:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:21:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 22:21:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 22:21:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:21:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:21:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:21:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:21:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:21:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:21:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:21:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:21:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:21:48,982 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:21:49,112 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:21:49,115 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:21:49,553 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:21:49,780 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-02 22:21:49,803 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:21:49,808 INFO L158 Benchmark]: Toolchain (without parser) took 1333.57ms. Allocated memory is still 94.4MB. Free memory was 70.8MB in the beginning and 36.5MB in the end (delta: 34.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 22:21:49,808 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:21:49,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.94ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 55.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:21:49,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.84ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 53.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:21:49,810 INFO L158 Benchmark]: Boogie Preprocessor took 44.19ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 51.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:21:49,811 INFO L158 Benchmark]: RCFGBuilder took 899.16ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 36.5MB in the end (delta: 14.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-12-02 22:21:49,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.94ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 55.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.84ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 53.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.19ms. Allocated memory is still 94.4MB. Free memory was 53.1MB in the beginning and 51.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 899.16ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 36.5MB in the end (delta: 14.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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 end of atomic block: havoc #t~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:21:49,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ac30f4-fd70-4722-bc7b-c3b3a927f597/bin/ukojak-verify-Qdu7aM0XO9/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: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). Is there illegal control flow (e.g. loops) within an atomic block?