./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3 --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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:34:39,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:34:39,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 03:34:39,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:34:39,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:34:39,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:34:39,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:34:39,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:34:39,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:34:39,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:34:39,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:34:39,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:34:39,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:34:39,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:34:39,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:34:39,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:34:39,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:34:39,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:34:39,941 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:34:39,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:34:39,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:34:39,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:34:39,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:34:39,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:34:39,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:34:39,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:34:39,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3 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 -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2024-11-25 03:34:40,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:34:40,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:34:40,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:34:40,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:34:40,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:34:40,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-11-25 03:34:43,308 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data/9f99eb9c3/75056fc5d8784f8fb8a11a31bb53c111/FLAG0e08c9ffe [2024-11-25 03:34:43,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:34:43,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-11-25 03:34:43,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data/9f99eb9c3/75056fc5d8784f8fb8a11a31bb53c111/FLAG0e08c9ffe [2024-11-25 03:34:43,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data/9f99eb9c3/75056fc5d8784f8fb8a11a31bb53c111 [2024-11-25 03:34:43,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:34:43,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:34:43,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:34:43,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:34:43,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:34:43,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:43,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1216daeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43, skipping insertion in model container [2024-11-25 03:34:43,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:43,657 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:34:43,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:34:43,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:34:43,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:34:43,951 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:34:43,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43 WrapperNode [2024-11-25 03:34:43,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:34:43,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:34:43,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:34:43,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:34:43,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:43,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,002 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-11-25 03:34:44,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:34:44,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:34:44,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:34:44,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:34:44,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,024 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:34:44,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:34:44,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:34:44,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:34:44,045 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:43" (1/1) ... [2024-11-25 03:34:44,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:34:44,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:34:44,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:34:44,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:34:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2024-11-25 03:34:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2024-11-25 03:34:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:34:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 03:34:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 03:34:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 03:34:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 03:34:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:34:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:34:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:34:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 03:34:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 03:34:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:34:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:34:44,127 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 03:34:44,233 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:34:44,235 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:34:44,641 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 03:34:44,641 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:34:44,788 WARN L170 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:34:44,800 WARN L170 LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:34:44,839 WARN L170 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:34:44,847 WARN L170 LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:34:44,863 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:34:44,869 INFO L158 Benchmark]: Toolchain (without parser) took 1251.31ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 46.6MB in the end (delta: 45.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:34:44,869 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:44,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.53ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:34:44,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.43ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:34:44,870 INFO L158 Benchmark]: Boogie Preprocessor took 36.77ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 969.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:44,871 INFO L158 Benchmark]: RCFGBuilder took 827.03ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 46.6MB in the end (delta: 31.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:34:44,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.53ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.9MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.43ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.77ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 969.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 827.03ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 46.6MB in the end (delta: 31.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647;#t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:34:44,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3 --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 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:34:47,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:34:47,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 03:34:47,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:34:47,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:34:47,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:34:47,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:34:47,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:34:47,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:34:47,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:34:47,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:34:47,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:34:47,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:34:47,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:34:47,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:34:47,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:34:47,855 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:34:47,855 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:34:47,858 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:34:47,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:34:47,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:34:47,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:34:47,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:34:47,859 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:34:47,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:34:47,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:34:47,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:34:47,859 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:34:47,859 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:34:47,859 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:34:47,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:34:47,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:34:47,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:34:47,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:34:47,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:34:47,861 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:34:47,861 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:34:47,861 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:34:47,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3 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 -> 631177edb7ca950f3594c5b6eaac98148a00ee69e6a0cd62c1c95947fa56259c [2024-11-25 03:34:48,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:34:48,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:34:48,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:34:48,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:34:48,187 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:34:48,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-11-25 03:34:51,437 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data/16c51c918/719b88e67e30406bbe57058687167214/FLAG5c8a34550 [2024-11-25 03:34:51,768 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:34:51,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2024-11-25 03:34:51,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data/16c51c918/719b88e67e30406bbe57058687167214/FLAG5c8a34550 [2024-11-25 03:34:51,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/data/16c51c918/719b88e67e30406bbe57058687167214 [2024-11-25 03:34:51,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:34:51,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:34:51,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:34:51,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:34:51,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:34:51,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:51" (1/1) ... [2024-11-25 03:34:51,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72f92a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:51, skipping insertion in model container [2024-11-25 03:34:51,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:51" (1/1) ... [2024-11-25 03:34:51,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:34:52,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:34:52,095 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:34:52,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:34:52,154 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:34:52,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52 WrapperNode [2024-11-25 03:34:52,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:34:52,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:34:52,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:34:52,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:34:52,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,197 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-25 03:34:52,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:34:52,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:34:52,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:34:52,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:34:52,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,225 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,245 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:34:52,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:34:52,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:34:52,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:34:52,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:52" (1/1) ... [2024-11-25 03:34:52,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:34:52,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:34:52,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:34:52,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:34:52,332 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2024-11-25 03:34:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2024-11-25 03:34:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:34:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 03:34:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 03:34:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 03:34:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 03:34:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:34:52,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:34:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:34:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 03:34:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 03:34:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:34:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:34:52,336 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 03:34:52,451 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:34:52,453 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:34:52,851 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 03:34:52,851 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:34:53,025 WARN L170 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:34:53,047 WARN L170 LargeBlockEncoding]: Complex 2:3 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:34:53,087 WARN L170 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:34:53,098 WARN L170 LargeBlockEncoding]: Complex 3:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 03:34:53,115 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:34:53,121 INFO L158 Benchmark]: Toolchain (without parser) took 1304.57ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 52.1MB in the end (delta: 9.0MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-25 03:34:53,121 INFO L158 Benchmark]: CDTParser took 3.57ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:53,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.64ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 49.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:34:53,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.57ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:53,122 INFO L158 Benchmark]: Boogie Preprocessor took 46.17ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:34:53,124 INFO L158 Benchmark]: RCFGBuilder took 873.20ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 52.1MB in the end (delta: -5.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-25 03:34:53,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.57ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.64ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 49.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.57ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.17ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 873.20ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 52.1MB in the end (delta: -5.9MB). Peak memory consumption was 29.1MB. 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: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:34:53,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a2d2121-4548-40de-aa16-58267933addc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~ite5 := #t~ret4;~result_8~0 := #t~ite5;havoc #t~ite5;havoc #t~ret4;assume !(0bv32 == ~result_8~0);#t~ite7 := ~result_8~0;~result_8~0 := #t~ite7;havoc #t~ite7;havoc #t~ret6;). Is there illegal control flow (e.g. loops) within an atomic block?