./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:01:59,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:01:59,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:01:59,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:01:59,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:01:59,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:01:59,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:01:59,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:01:59,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:01:59,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:01:59,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:01:59,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:01:59,734 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:01:59,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:01:59,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:01:59,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:01:59,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:01:59,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:01:59,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:01:59,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:01:59,739 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:01:59,740 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:01:59,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:01:59,741 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:01:59,742 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:01:59,742 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:01:59,743 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:01:59,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:01:59,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:59,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:01:59,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:01:59,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:01:59,746 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:01:59,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:01:59,746 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:01:59,747 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_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-23 20:02:00,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:00,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:00,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:00,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:00,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:00,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-23 20:02:03,264 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:03,468 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:03,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-23 20:02:03,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/data/1f00dc6eb/a3260165935641e5a9dc5b89d19ce1a4/FLAGff69c135d [2023-11-23 20:02:03,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/data/1f00dc6eb/a3260165935641e5a9dc5b89d19ce1a4 [2023-11-23 20:02:03,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:03,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:03,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:03,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:03,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:03,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:03,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3deab969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03, skipping insertion in model container [2023-11-23 20:02:03,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:03,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:03,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:03,838 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:03,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:03,895 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:03,895 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:03,904 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:03,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03 WrapperNode [2023-11-23 20:02:03,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:03,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:03,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:03,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:03,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:03,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:03,960 INFO L138 Inliner]: procedures = 29, calls = 89, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134 [2023-11-23 20:02:03,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:03,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:03,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:03,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:03,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:03,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:03,980 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:03,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:03,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:04,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:04,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:04,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:04,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:04,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:04,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:04,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:04,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:03" (1/1) ... [2023-11-23 20:02:04,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:04,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:04,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:04,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:02:04,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:02:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:02:04,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:02:04,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:02:04,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:02:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:02:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:02:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:02:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:02:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:02:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:02:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:02:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:02:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-23 20:02:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-23 20:02:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-23 20:02:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-23 20:02:04,121 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-23 20:02:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-23 20:02:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:02:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:02:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:02:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:04,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:02:04,126 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:02:04,336 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:04,340 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:05,040 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:05,227 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~ret15 && #t~ret15 <= 2147483647;~x1~0 := #t~ret15;havoc #t~ret15;). 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) [2023-11-23 20:02:05,237 INFO L158 Benchmark]: Toolchain (without parser) took 1741.38ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 89.4MB in the end (delta: 53.5MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2023-11-23 20:02:05,238 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:05,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.03ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 140.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:05,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.94ms. Allocated memory is still 180.4MB. Free memory was 140.4MB in the beginning and 138.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:05,243 INFO L158 Benchmark]: Boogie Preprocessor took 51.49ms. Allocated memory is still 180.4MB. Free memory was 138.3MB in the beginning and 136.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:05,244 INFO L158 Benchmark]: RCFGBuilder took 1221.31ms. Allocated memory is still 180.4MB. Free memory was 136.2MB in the beginning and 89.4MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:05,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.03ms. Allocated memory is still 180.4MB. Free memory was 142.9MB in the beginning and 140.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.94ms. Allocated memory is still 180.4MB. Free memory was 140.4MB in the beginning and 138.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.49ms. Allocated memory is still 180.4MB. Free memory was 138.3MB in the beginning and 136.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1221.31ms. Allocated memory is still 180.4MB. Free memory was 136.2MB in the beginning and 89.4MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. 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~ret15 && #t~ret15 <= 2147483647;~x1~0 := #t~ret15;havoc #t~ret15;). 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~ret15 && #t~ret15 <= 2147483647;~x1~0 := #t~ret15;havoc #t~ret15;). 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. [2023-11-23 20:02:05,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/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_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:08,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:08,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:02:08,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:08,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:08,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:08,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:08,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:08,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:08,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:08,567 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:02:08,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:02:08,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:08,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:08,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:08,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:08,575 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:02:08,576 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:02:08,576 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:08,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:02:08,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:08,579 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:02:08,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:08,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:08,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:08,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:08,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:08,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:08,582 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:02:08,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:08,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:08,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:08,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:08,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:08,585 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:02:08,585 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:08,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:08,586 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:02:08,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:02:08,587 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_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-23 20:02:09,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:09,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:09,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:09,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:09,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:09,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-23 20:02:12,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:12,947 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:12,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-23 20:02:12,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/data/49fc74eb1/6ebe002fd3874404841877f28b5d1ff6/FLAG1c8d54333 [2023-11-23 20:02:12,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/data/49fc74eb1/6ebe002fd3874404841877f28b5d1ff6 [2023-11-23 20:02:12,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:12,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:12,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:12,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:12,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:12,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:12" (1/1) ... [2023-11-23 20:02:12,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30154d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:12, skipping insertion in model container [2023-11-23 20:02:12,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:12" (1/1) ... [2023-11-23 20:02:13,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:13,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:13,243 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:02:13,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:13,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:13,304 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:13,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:13,391 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:13,393 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:13,401 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:13,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13 WrapperNode [2023-11-23 20:02:13,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:13,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:13,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:13,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:13,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,477 INFO L138 Inliner]: procedures = 31, calls = 89, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2023-11-23 20:02:13,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:13,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:13,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:13,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:13,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:13,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:13,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:13,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:13,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:13" (1/1) ... [2023-11-23 20:02:13,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:13,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:13,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:13,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:02:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:02:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:02:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:02:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:02:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:02:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:02:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:02:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:02:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:02:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:02:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:02:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:02:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-23 20:02:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-23 20:02:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-23 20:02:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-23 20:02:13,609 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-23 20:02:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-23 20:02:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:02:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:02:13,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:02:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:02:13,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:02:13,613 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:02:13,763 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:13,766 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:14,302 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:14,492 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: ~x1~0 := #t~ret15;havoc #t~ret15;). 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) [2023-11-23 20:02:14,497 INFO L158 Benchmark]: Toolchain (without parser) took 1520.15ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.7MB in the beginning and 56.7MB in the end (delta: -5.0MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,497 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:14,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.56ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 69.6MB in the end (delta: -18.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.34ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 67.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,499 INFO L158 Benchmark]: Boogie Preprocessor took 49.80ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 65.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,500 INFO L158 Benchmark]: RCFGBuilder took 965.55ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 56.7MB in the end (delta: 8.6MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-23 20:02:14,503 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.56ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 69.6MB in the end (delta: -18.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.34ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 67.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.80ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 65.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 965.55ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 56.7MB in the end (delta: 8.6MB). Peak memory consumption was 26.0MB. 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: ~x1~0 := #t~ret15;havoc #t~ret15;). 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: ~x1~0 := #t~ret15;havoc #t~ret15;). 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. [2023-11-23 20:02:14,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6715ede-d236-499c-8194-b323b121ad1f/bin/ukojak-verify-1t5iHCbJaC/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: ~x1~0 := #t~ret15;havoc #t~ret15;). Is there illegal control flow (e.g. loops) within an atomic block?