./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:08:58,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:08:58,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:08:58,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:08:58,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:08:58,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:08:58,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:08:58,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:08:58,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:08:58,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:08:58,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:08:58,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:08:58,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:08:58,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:08:58,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:08:58,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:08:58,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:08:58,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:08:58,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:08:58,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:08:58,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:08:58,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:08:58,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:08:58,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:08:58,761 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_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2024-12-05 22:08:58,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:08:59,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:08:59,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:08:59,007 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:08:59,008 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:08:59,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-12-05 22:09:01,688 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data/9c0351c24/7bfeb4fec9dc44ee9b499ece9d9f712b/FLAG1007d9032 [2024-12-05 22:09:01,910 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:09:01,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-12-05 22:09:01,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data/9c0351c24/7bfeb4fec9dc44ee9b499ece9d9f712b/FLAG1007d9032 [2024-12-05 22:09:01,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data/9c0351c24/7bfeb4fec9dc44ee9b499ece9d9f712b [2024-12-05 22:09:01,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:09:01,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:09:01,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:09:01,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:09:01,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:09:01,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:09:01" (1/1) ... [2024-12-05 22:09:01,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c6d0f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:01, skipping insertion in model container [2024-12-05 22:09:01,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:09:01" (1/1) ... [2024-12-05 22:09:01,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:09:02,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-12-05 22:09:02,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:09:02,115 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:09:02,139 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-12-05 22:09:02,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:09:02,155 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:09:02,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02 WrapperNode [2024-12-05 22:09:02,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:09:02,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:09:02,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:09:02,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:09:02,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,185 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-12-05 22:09:02,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:09:02,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:09:02,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:09:02,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:09:02,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,203 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:09:02,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:09:02,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:09:02,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:09:02,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:02" (1/1) ... [2024-12-05 22:09:02,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:09:02,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:09:02,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:09:02,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:09:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:09:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:09:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 22:09:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 22:09:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:09:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 22:09:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 22:09:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 22:09:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 22:09:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 22:09:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 22:09:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 22:09:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 22:09:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:09:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:09:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:09:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-05 22:09:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-05 22:09:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 22:09:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 22:09:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:09:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:09:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:09:02,267 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 22:09:02,358 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:09:02,359 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:09:02,620 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 22:09:02,621 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:09:02,700 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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;#t~post3 := ~i~0;~i~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.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:09:02,705 INFO L158 Benchmark]: Toolchain (without parser) took 769.54ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 73.6MB in the end (delta: 42.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:09:02,706 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:02,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.79ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.4MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:09:02,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.96ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 102.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:02,707 INFO L158 Benchmark]: Boogie Preprocessor took 27.36ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:02,707 INFO L158 Benchmark]: RCFGBuilder took 489.71ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 73.6MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:09:02,709 INFO L338 ainManager$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 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.79ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.4MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.96ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 102.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.36ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.71ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 73.6MB in the end (delta: 26.8MB). 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: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;#t~post3 := ~i~0;~i~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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := 1 + #t~post2;havoc #t~post2;#t~post3 := ~i~0;~i~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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:09:02,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/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_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:09:04,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:09:04,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:09:04,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:09:04,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:09:04,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:09:04,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:09:04,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:09:04,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:09:04,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:09:04,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:09:04,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:09:04,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:09:04,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:09:04,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:09:04,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:09:04,763 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:09:04,763 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:09:04,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:09:04,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:09:04,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:09:04,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:09:04,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:09:04,764 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:09:04,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:09:04,764 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:09:04,764 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_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2024-12-05 22:09:05,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:09:05,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:09:05,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:09:05,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:09:05,017 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:09:05,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-12-05 22:09:07,726 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data/813272fd2/a4bf824130df4a6e87cc57098b304d55/FLAG01f658c96 [2024-12-05 22:09:07,900 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:09:07,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2024-12-05 22:09:07,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data/813272fd2/a4bf824130df4a6e87cc57098b304d55/FLAG01f658c96 [2024-12-05 22:09:08,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/data/813272fd2/a4bf824130df4a6e87cc57098b304d55 [2024-12-05 22:09:08,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:09:08,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:09:08,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:09:08,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:09:08,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:09:08,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c58936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08, skipping insertion in model container [2024-12-05 22:09:08,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:09:08,445 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-12-05 22:09:08,450 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:09:08,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:09:08,461 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:09:08,483 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4151,4164] [2024-12-05 22:09:08,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:09:08,501 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:09:08,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08 WrapperNode [2024-12-05 22:09:08,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:09:08,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:09:08,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:09:08,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:09:08,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,532 INFO L138 Inliner]: procedures = 28, calls = 56, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2024-12-05 22:09:08,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:09:08,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:09:08,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:09:08,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:09:08,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,554 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:09:08,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:09:08,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:09:08,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:09:08,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:09:08" (1/1) ... [2024-12-05 22:09:08,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:09:08,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:09:08,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:09:08,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:09:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 22:09:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 22:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 22:09:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 22:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 22:09:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 22:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 22:09:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 22:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 22:09:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 22:09:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:09:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-05 22:09:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-05 22:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 22:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 22:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:09:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:09:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:09:08,627 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 22:09:08,715 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:09:08,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:09:09,010 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 22:09:09,010 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:09:09,107 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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;#t~post3 := ~i~0;~i~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.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:09:09,112 INFO L158 Benchmark]: Toolchain (without parser) took 836.85ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 52.6MB in the end (delta: 17.2MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-12-05 22:09:09,112 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:09,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.09ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 56.0MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:09:09,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.62ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 54.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:09:09,113 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 52.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:09:09,114 INFO L158 Benchmark]: RCFGBuilder took 543.86ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 52.6MB in the end (delta: 299.9kB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-05 22:09:09,116 INFO L338 ainManager$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 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.09ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 56.0MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.62ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 54.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 52.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 543.86ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 52.6MB in the end (delta: 299.9kB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;#t~post3 := ~i~0;~i~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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;#t~post3 := ~i~0;~i~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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:09:09,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7e24eb7-e669-4567-b4cb-e03a86cc9ffd/bin/ukojak-verify-CZk0znPC7b/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~mem1;#t~post2 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;#t~post3 := ~i~0;~i~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?