./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi --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 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:36,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:36,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:36,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:36,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:36,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:36,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:36,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:36,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:36,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:36,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:36,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:36,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:36,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:36,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:36,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:36,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:36,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:36,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:36,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:36,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:36,172 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:36,173 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:36,173 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:36,174 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:36,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:36,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:36,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:36,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:36,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:36,178 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:36,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:36,179 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:36,180 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2023-11-24 23:05:36,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:36,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:36,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:36,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:36,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:36,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-24 23:05:39,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:40,171 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:40,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-24 23:05:40,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/data/d0952ba18/63ab6e5cbefc4faca06e421d589d3bc6/FLAG26647ac19 [2023-11-24 23:05:40,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/data/d0952ba18/63ab6e5cbefc4faca06e421d589d3bc6 [2023-11-24 23:05:40,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:40,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:40,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:40,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:40,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:40,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c0369d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40, skipping insertion in model container [2023-11-24 23:05:40,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:40,439 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2023-11-24 23:05:40,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:40,463 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:40,498 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2023-11-24 23:05:40,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:40,514 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:40,515 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:40,523 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:40,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40 WrapperNode [2023-11-24 23:05:40,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:40,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:40,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:40,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:40,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,583 INFO L138 Inliner]: procedures = 28, calls = 74, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 102 [2023-11-24 23:05:40,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:40,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:40,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:40,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:40,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:40,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:40,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:40,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:40,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:40" (1/1) ... [2023-11-24 23:05:40,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:40,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:40,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:40,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:05:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:05:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 23:05:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 23:05:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:05:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:05:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:05:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:05:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:05:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:05:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:05:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:05:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-24 23:05:40,743 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-24 23:05:40,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:05:40,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:05:40,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:05:40,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:40,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:40,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:40,746 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:05:40,958 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:40,962 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:41,541 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:41,692 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 23:05:41,701 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~ret13 && #t~ret13 <= 2147483647;~res1~0 := #t~ret13;havoc #t~mem10;havoc #t~mem11.base, #t~mem11.offset;havoc #t~mem9;havoc #t~mem12;havoc #t~ret13;). 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) [2023-11-24 23:05:41,706 INFO L158 Benchmark]: Toolchain (without parser) took 1502.93ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 87.8MB in the beginning and 119.4MB in the end (delta: -31.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:41,706 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:41,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.93ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 74.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:05:41,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.82ms. Allocated memory is still 134.2MB. Free memory was 74.4MB in the beginning and 72.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:41,708 INFO L158 Benchmark]: Boogie Preprocessor took 41.65ms. Allocated memory is still 134.2MB. Free memory was 72.5MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:41,709 INFO L158 Benchmark]: RCFGBuilder took 1076.91ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 70.2MB in the beginning and 119.4MB in the end (delta: -49.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:41,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.93ms. Allocated memory is still 134.2MB. Free memory was 87.7MB in the beginning and 74.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.82ms. Allocated memory is still 134.2MB. Free memory was 74.4MB in the beginning and 72.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.65ms. Allocated memory is still 134.2MB. Free memory was 72.5MB in the beginning and 70.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1076.91ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 70.2MB in the beginning and 119.4MB in the end (delta: -49.2MB). Peak memory consumption was 13.7MB. 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~ret13 && #t~ret13 <= 2147483647;~res1~0 := #t~ret13;havoc #t~mem10;havoc #t~mem11.base, #t~mem11.offset;havoc #t~mem9;havoc #t~mem12;havoc #t~ret13;). 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~ret13 && #t~ret13 <= 2147483647;~res1~0 := #t~ret13;havoc #t~mem10;havoc #t~mem11.base, #t~mem11.offset;havoc #t~mem9;havoc #t~mem12;havoc #t~ret13;). 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. [2023-11-24 23:05:41,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi --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 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:44,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:44,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:05:44,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:44,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:44,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:44,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:44,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:44,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:44,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:44,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:44,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:44,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:44,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:44,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:44,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:44,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:05:44,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:05:44,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:05:44,564 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:44,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:44,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:44,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:44,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:44,567 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:44,568 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:44,569 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:44,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:44,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:44,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:44,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:44,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:44,573 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:05:44,573 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:05:44,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:44,574 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:05:44,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:05:44,574 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2023-11-24 23:05:45,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:45,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:45,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:45,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:45,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:45,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-24 23:05:48,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:48,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:48,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2023-11-24 23:05:48,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/data/d6a79161a/e1c34692c7644ea8832c2a8262a96aa4/FLAG88cb69cb1 [2023-11-24 23:05:48,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/data/d6a79161a/e1c34692c7644ea8832c2a8262a96aa4 [2023-11-24 23:05:48,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:48,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:48,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:48,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:48,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:48,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:48" (1/1) ... [2023-11-24 23:05:48,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2831f021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:48, skipping insertion in model container [2023-11-24 23:05:48,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:48" (1/1) ... [2023-11-24 23:05:48,863 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:49,138 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2023-11-24 23:05:49,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:49,181 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:05:49,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:49,226 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2023-11-24 23:05:49,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:49,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:49,296 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_0ecaec26-a4a1-4d0f-bc77-21363d721699/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2023-11-24 23:05:49,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:49,320 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:49,323 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:05:49,352 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:49,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49 WrapperNode [2023-11-24 23:05:49,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:49,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:49,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:49,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:49,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,443 INFO L138 Inliner]: procedures = 30, calls = 74, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 98 [2023-11-24 23:05:49,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:49,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:49,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:49,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:49,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:49,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:49,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:49,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:49,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:49" (1/1) ... [2023-11-24 23:05:49,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:49,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:49,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:49,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:05:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:05:49,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:05:49,609 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 23:05:49,609 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 23:05:49,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:05:49,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:05:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:05:49,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:05:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:05:49,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:05:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:05:49,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:05:49,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:05:49,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:05:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-24 23:05:49,614 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-24 23:05:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:05:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:05:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:05:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:05:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:05:49,619 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:05:49,794 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:49,801 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:50,532 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:50,668 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 23:05:50,677 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: ~res1~0 := #t~ret13;havoc #t~mem10;havoc #t~mem11.base, #t~mem11.offset;havoc #t~mem9;havoc #t~mem12;havoc #t~ret13;). 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) [2023-11-24 23:05:50,695 INFO L158 Benchmark]: Toolchain (without parser) took 1882.54ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.4MB in the beginning and 70.1MB in the end (delta: -16.7MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,696 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:05:50,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.07ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.2MB in the beginning and 73.6MB in the end (delta: -20.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.47ms. Allocated memory is still 94.4MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,698 INFO L158 Benchmark]: Boogie Preprocessor took 67.55ms. Allocated memory is still 94.4MB. Free memory was 71.6MB in the beginning and 69.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,699 INFO L158 Benchmark]: RCFGBuilder took 1179.90ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 70.1MB in the end (delta: -1.0MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-24 23:05:50,702 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 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.07ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 53.2MB in the beginning and 73.6MB in the end (delta: -20.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.47ms. Allocated memory is still 94.4MB. Free memory was 73.6MB in the beginning and 71.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.55ms. Allocated memory is still 94.4MB. Free memory was 71.6MB in the beginning and 69.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1179.90ms. Allocated memory is still 94.4MB. Free memory was 69.1MB in the beginning and 70.1MB in the end (delta: -1.0MB). Peak memory consumption was 32.7MB. 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: ~res1~0 := #t~ret13;havoc #t~mem10;havoc #t~mem11.base, #t~mem11.offset;havoc #t~mem9;havoc #t~mem12;havoc #t~ret13;). 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: ~res1~0 := #t~ret13;havoc #t~mem10;havoc #t~mem11.base, #t~mem11.offset;havoc #t~mem9;havoc #t~mem12;havoc #t~ret13;). 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. [2023-11-24 23:05:50,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ecaec26-a4a1-4d0f-bc77-21363d721699/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~res1~0 := #t~ret13;havoc #t~mem10;havoc #t~mem11.base, #t~mem11.offset;havoc #t~mem9;havoc #t~mem12;havoc #t~ret13;). Is there illegal control flow (e.g. loops) within an atomic block?