./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/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_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:32,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:32,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:04:32,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:32,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:32,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:32,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:32,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:32,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:32,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:32,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:32,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:32,967 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:32,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:32,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:32,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:32,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:32,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:32,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:32,971 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:32,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:32,972 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:32,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:32,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:32,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:32,974 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:32,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:32,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:32,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:32,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:32,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:32,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:32,977 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:32,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:32,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:32,978 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_f1599324-f9dc-4703-bcb1-83557f3c292f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-24 23:04:33,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:33,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:33,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:33,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:33,307 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:33,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-24 23:04:36,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:36,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:36,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-24 23:04:36,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/data/b1da86af6/b40abb058b194da883350f3647f663be/FLAG8a9573d46 [2023-11-24 23:04:36,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/data/b1da86af6/b40abb058b194da883350f3647f663be [2023-11-24 23:04:36,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:36,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:36,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:36,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:36,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:36,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:36,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2e94e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36, skipping insertion in model container [2023-11-24 23:04:36,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:36,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:36,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:36,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:36,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:36,960 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:36,960 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:36,982 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:36,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36 WrapperNode [2023-11-24 23:04:36,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:36,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:36,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:36,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:36,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,028 INFO L138 Inliner]: procedures = 26, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 113 [2023-11-24 23:04:37,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:37,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:37,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:37,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:37,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:37,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:37,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:37,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:37,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:36" (1/1) ... [2023-11-24 23:04:37,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:37,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:37,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:37,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:04:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 23:04:37,174 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 23:04:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:04:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:04:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:04:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:04:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:04:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:04:37,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:04:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:04:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:04:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:04:37,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:04:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:04:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:04:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:04:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:37,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:37,179 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 23:04:37,301 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:37,303 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:37,819 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:37,973 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 23:04:38,001 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back1~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back1~0 := 1 + #t~post3;havoc #t~post3;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:04:38,018 INFO L158 Benchmark]: Toolchain (without parser) took 1396.00ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 69.7MB in the beginning and 82.9MB in the end (delta: -13.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:38,018 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory was 104.5MB in the beginning and 104.4MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:38,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.67ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 69.5MB in the beginning and 130.9MB in the end (delta: -61.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:38,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.90ms. Allocated memory is still 167.8MB. Free memory was 130.3MB in the beginning and 129.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:38,022 INFO L158 Benchmark]: Boogie Preprocessor took 41.45ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 126.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:04:38,023 INFO L158 Benchmark]: RCFGBuilder took 944.09ms. Allocated memory is still 167.8MB. Free memory was 126.9MB in the beginning and 82.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-24 23:04:38,032 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory was 104.5MB in the beginning and 104.4MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.67ms. Allocated memory was 134.2MB in the beginning and 167.8MB in the end (delta: 33.6MB). Free memory was 69.5MB in the beginning and 130.9MB in the end (delta: -61.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.90ms. Allocated memory is still 167.8MB. Free memory was 130.3MB in the beginning and 129.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.45ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 126.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 944.09ms. Allocated memory is still 167.8MB. Free memory was 126.9MB in the beginning and 82.9MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. 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: havoc #t~mem2;#t~post3 := ~back1~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back1~0 := 1 + #t~post3;havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back1~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back1~0 := 1 + #t~post3;havoc #t~post3;). 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 23:04:38,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/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_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:40,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:40,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:04:40,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:40,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:40,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:40,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:40,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:40,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:40,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:40,820 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:40,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:40,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:40,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:40,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:40,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:40,824 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:04:40,824 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:04:40,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:04:40,825 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:04:40,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:04:40,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:40,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:40,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:40,827 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:40,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:40,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:40,829 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:40,829 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:40,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:40,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:40,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:40,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:40,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:40,832 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:04:40,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:40,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:40,833 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:04:40,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:04:40,834 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_f1599324-f9dc-4703-bcb1-83557f3c292f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2023-11-24 23:04:41,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:41,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:41,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:41,264 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:41,264 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:41,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-24 23:04:44,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:44,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:44,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2023-11-24 23:04:44,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/data/39216c63b/0a9c49f9bac04cf48f10c01b1b596b6e/FLAG1c53ce007 [2023-11-24 23:04:44,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/data/39216c63b/0a9c49f9bac04cf48f10c01b1b596b6e [2023-11-24 23:04:44,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:44,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:44,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:44,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:44,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:44,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:44" (1/1) ... [2023-11-24 23:04:44,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71477792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:44, skipping insertion in model container [2023-11-24 23:04:44,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:44" (1/1) ... [2023-11-24 23:04:44,765 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:45,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:45,080 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:04:45,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:45,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:45,136 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:45,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:45,181 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:45,182 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:04:45,191 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:45,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45 WrapperNode [2023-11-24 23:04:45,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:45,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:45,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:45,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:45,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,238 INFO L138 Inliner]: procedures = 28, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-24 23:04:45,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:45,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:45,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:45,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:45,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:45,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:45,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:45,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:45,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:45" (1/1) ... [2023-11-24 23:04:45,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:45,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:45,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:45,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:04:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:04:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 23:04:45,382 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 23:04:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:04:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:04:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:04:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:04:45,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:04:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:04:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:04:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:04:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:04:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:04:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:04:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:04:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:04:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:04:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:04:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:04:45,391 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 23:04:45,591 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:45,593 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:46,173 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:46,381 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 23:04:46,427 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back1~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back1~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:04:46,453 INFO L158 Benchmark]: Toolchain (without parser) took 1726.85ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 43.3MB in the beginning and 72.8MB in the end (delta: -29.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 23:04:46,454 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:46,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.90ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 43.0MB in the beginning and 72.7MB in the end (delta: -29.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-24 23:04:46,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.00ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 70.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:04:46,457 INFO L158 Benchmark]: Boogie Preprocessor took 47.24ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:04:46,459 INFO L158 Benchmark]: RCFGBuilder took 1164.11ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 72.8MB in the end (delta: -4.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-24 23:04:46,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.90ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 43.0MB in the beginning and 72.7MB in the end (delta: -29.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.00ms. Allocated memory is still 96.5MB. Free memory was 72.7MB in the beginning and 70.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.24ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1164.11ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 72.8MB in the end (delta: -4.2MB). Peak memory consumption was 28.7MB. 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: havoc #t~mem2;#t~post3 := ~back1~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back1~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back1~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back1~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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 23:04:46,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1599324-f9dc-4703-bcb1-83557f3c292f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back1~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back1~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?