./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/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_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:50:48,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:50:48,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:50:48,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:50:48,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:50:48,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:50:48,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:50:48,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:50:48,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:50:48,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:50:48,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:50:48,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:50:48,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:50:48,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:50:48,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:50:48,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:50:48,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:50:48,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:50:48,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:50:48,901 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:50:48,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:50:48,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:50:48,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:50:48,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:50:48,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:50:48,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:50:48,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:50:48,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:50:48,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:50:48,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:50:48,905 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:50:48,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:50:48,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:50:48,907 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_efba90bf-bf05-4abd-9f79-05dd898ee3b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2023-12-03 00:50:49,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:50:49,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:50:49,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:50:49,156 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:50:49,170 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:50:49,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-12-03 00:50:51,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:50:52,064 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:50:52,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-12-03 00:50:52,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/data/1ac6d8392/5c5b70070a574242bdbffab59582ed25/FLAG6ce05e059 [2023-12-03 00:50:52,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/data/1ac6d8392/5c5b70070a574242bdbffab59582ed25 [2023-12-03 00:50:52,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:50:52,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:50:52,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:50:52,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:50:52,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:50:52,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddf02b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52, skipping insertion in model container [2023-12-03 00:50:52,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:50:52,266 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[3012,3025] [2023-12-03 00:50:52,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:50:52,282 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:50:52,304 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[3012,3025] [2023-12-03 00:50:52,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:50:52,314 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:50:52,314 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:50:52,320 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:50:52,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52 WrapperNode [2023-12-03 00:50:52,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:50:52,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:50:52,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:50:52,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:50:52,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,358 INFO L138 Inliner]: procedures = 22, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 92 [2023-12-03 00:50:52,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:50:52,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:50:52,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:50:52,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:50:52,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,377 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:50:52,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:50:52,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:50:52,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:50:52,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:52" (1/1) ... [2023-12-03 00:50:52,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:50:52,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:50:52,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:50:52,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:50:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-12-03 00:50:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-12-03 00:50:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:50:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:50:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:50:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:50:52,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:50:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:50:52,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:50:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:50:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:50:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:50:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:50:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:50:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:50:52,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:50:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:50:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:50:52,455 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:50:52,553 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:50:52,555 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:50:52,816 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:50:52,880 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 00:50:52,895 WARN L1821 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 00:50:52,915 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 00:50:52,920 WARN L1821 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 00:50:52,931 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: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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) [2023-12-03 00:50:52,936 INFO L158 Benchmark]: Toolchain (without parser) took 844.73ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 98.2MB in the beginning and 152.7MB in the end (delta: -54.6MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-12-03 00:50:52,936 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 144.7MB. Free memory was 113.7MB in the beginning and 113.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:50:52,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.71ms. Allocated memory is still 144.7MB. Free memory was 98.2MB in the beginning and 86.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:50:52,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.46ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 84.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:50:52,938 INFO L158 Benchmark]: Boogie Preprocessor took 26.15ms. Allocated memory is still 144.7MB. Free memory was 84.7MB in the beginning and 83.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:50:52,939 INFO L158 Benchmark]: RCFGBuilder took 547.16ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 83.0MB in the beginning and 152.7MB in the end (delta: -69.7MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-12-03 00:50:52,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 144.7MB. Free memory was 113.7MB in the beginning and 113.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.71ms. Allocated memory is still 144.7MB. Free memory was 98.2MB in the beginning and 86.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.46ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 84.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.15ms. Allocated memory is still 144.7MB. Free memory was 84.7MB in the beginning and 83.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.16ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 83.0MB in the beginning and 152.7MB in the end (delta: -69.7MB). Peak memory consumption was 18.8MB. 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: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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. [2023-12-03 00:50:52,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/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_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:50:54,888 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:50:54,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:50:55,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:50:55,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:50:55,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:50:55,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:50:55,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:50:55,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:50:55,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:50:55,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:50:55,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:50:55,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:50:55,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:50:55,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:50:55,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:50:55,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:50:55,011 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:50:55,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:50:55,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:50:55,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:50:55,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:50:55,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:50:55,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:50:55,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:50:55,016 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:55,017 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:50:55,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:50:55,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:50:55,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:50:55,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:50:55,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:50:55,019 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:50:55,020 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:50:55,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:50:55,020 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:50:55,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:50:55,021 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_efba90bf-bf05-4abd-9f79-05dd898ee3b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2023-12-03 00:50:55,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:50:55,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:50:55,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:50:55,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:50:55,355 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:50:55,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-12-03 00:50:58,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:50:58,367 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:50:58,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2023-12-03 00:50:58,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/data/1dcbabd39/28aa6bce176c4989941dc09c925253dc/FLAG1a1b5c046 [2023-12-03 00:50:58,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/data/1dcbabd39/28aa6bce176c4989941dc09c925253dc [2023-12-03 00:50:58,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:50:58,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:50:58,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:50:58,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:50:58,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:50:58,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8febf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58, skipping insertion in model container [2023-12-03 00:50:58,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,425 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:50:58,613 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[3012,3025] [2023-12-03 00:50:58,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:50:58,647 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:50:58,692 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[3012,3025] [2023-12-03 00:50:58,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:50:58,706 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:50:58,706 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:50:58,714 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:50:58,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58 WrapperNode [2023-12-03 00:50:58,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:50:58,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:50:58,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:50:58,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:50:58,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,757 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2023-12-03 00:50:58,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:50:58,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:50:58,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:50:58,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:50:58,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:50:58,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:50:58,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:50:58,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:50:58,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:50:58" (1/1) ... [2023-12-03 00:50:58,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:50:58,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:50:58,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:50:58,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:50:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-12-03 00:50:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-12-03 00:50:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:50:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:50:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:50:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:50:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:50:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:50:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:50:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:50:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:50:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:50:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:50:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:50:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:50:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:50:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:50:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:50:58,882 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:50:59,045 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:50:59,048 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:50:59,282 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:50:59,328 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 00:50:59,338 WARN L1821 r$LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 00:50:59,353 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 00:50:59,357 WARN L1821 r$LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-03 00:50:59,369 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: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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) [2023-12-03 00:50:59,373 INFO L158 Benchmark]: Toolchain (without parser) took 980.59ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 48.0MB in the end (delta: 21.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 00:50:59,374 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:50:59,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.53ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 56.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:50:59,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.27ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:50:59,376 INFO L158 Benchmark]: Boogie Preprocessor took 35.62ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:50:59,377 INFO L158 Benchmark]: RCFGBuilder took 577.04ms. Allocated memory is still 92.3MB. Free memory was 53.4MB in the beginning and 48.3MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:50:59,380 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.53ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 56.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.27ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.62ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.04ms. Allocated memory is still 92.3MB. Free memory was 53.4MB in the beginning and 48.3MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. 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: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). 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. [2023-12-03 00:50:59,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efba90bf-bf05-4abd-9f79-05dd898ee3b0/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: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?