./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-channel-sum.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_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/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_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/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_659cca6e-75c0-4874-9a95-94b9029bd516/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 bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:01:38,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:01:38,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:01:38,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:01:38,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:01:38,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:01:38,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:01:38,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:01:38,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:01:38,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:01:38,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:01:38,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:01:38,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:01:38,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:01:38,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:01:38,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:01:38,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:01:38,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:01:38,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:01:38,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:01:38,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:01:38,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:01:38,932 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:01:38,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:01:38,932 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_659cca6e-75c0-4874-9a95-94b9029bd516/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 -> bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 [2024-12-06 00:01:39,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:01:39,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:01:39,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:01:39,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:01:39,179 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:01:39,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-12-06 00:01:41,796 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data/fca6d951a/2655a68450ad4a11aa2e97b5f03f26b5/FLAG1429404f4 [2024-12-06 00:01:42,013 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:01:42,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-12-06 00:01:42,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data/fca6d951a/2655a68450ad4a11aa2e97b5f03f26b5/FLAG1429404f4 [2024-12-06 00:01:42,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data/fca6d951a/2655a68450ad4a11aa2e97b5f03f26b5 [2024-12-06 00:01:42,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:01:42,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:01:42,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:01:42,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:01:42,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:01:42,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31054505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42, skipping insertion in model container [2024-12-06 00:01:42,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:01:42,525 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_659cca6e-75c0-4874-9a95-94b9029bd516/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2423,2436] [2024-12-06 00:01:42,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:01:42,541 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:01:42,557 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_659cca6e-75c0-4874-9a95-94b9029bd516/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2423,2436] [2024-12-06 00:01:42,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:01:42,573 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:01:42,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42 WrapperNode [2024-12-06 00:01:42,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:01:42,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:01:42,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:01:42,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:01:42,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,599 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-12-06 00:01:42,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:01:42,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:01:42,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:01:42,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:01:42,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,611 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:01:42,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:01:42,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:01:42,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:01:42,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:01:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:01:42,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:01:42,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:01:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:01:42,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:01:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:01:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 00:01:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 00:01:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:01:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:01:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:01:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:01:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:01:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:01:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:01:42,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:01:42,672 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 00:01:42,746 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:01:42,747 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:01:42,919 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:01:42,919 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:01:42,939 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:01:42,939 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:01:42,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:01:42 BoogieIcfgContainer [2024-12-06 00:01:42,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:01:42,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:01:42,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:01:42,947 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:01:42,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:01:42" (1/1) ... [2024-12-06 00:01:42,948 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:356) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:01:42,953 INFO L158 Benchmark]: Toolchain (without parser) took 570.13ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 62.5MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:01:42,953 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:01:42,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.99ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:01:42,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.98ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:01:42,954 INFO L158 Benchmark]: Boogie Preprocessor took 19.27ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:01:42,955 INFO L158 Benchmark]: RCFGBuilder took 320.68ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 63.8MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:01:42,955 INFO L158 Benchmark]: CodeCheck took 10.52ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:01:42,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:172) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.99ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.4MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.98ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.27ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.68ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 63.8MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10.52ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:01:42,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/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_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/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_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/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_659cca6e-75c0-4874-9a95-94b9029bd516/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 bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:01:44,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:01:44,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:01:44,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:01:44,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:01:44,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:01:44,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:01:44,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:01:44,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:01:44,994 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:01:44,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:01:44,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:01:44,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:01:44,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:01:44,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:01:44,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:01:44,996 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:01:44,996 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:01:44,996 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:01:44,996 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_659cca6e-75c0-4874-9a95-94b9029bd516/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 -> bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 [2024-12-06 00:01:45,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:01:45,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:01:45,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:01:45,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:01:45,241 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:01:45,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-12-06 00:01:47,975 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data/d97e88a88/4d14095061c9459d94718d1a5e5f4baa/FLAG37aef7f44 [2024-12-06 00:01:48,149 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:01:48,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-12-06 00:01:48,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data/d97e88a88/4d14095061c9459d94718d1a5e5f4baa/FLAG37aef7f44 [2024-12-06 00:01:48,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/data/d97e88a88/4d14095061c9459d94718d1a5e5f4baa [2024-12-06 00:01:48,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:01:48,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:01:48,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:01:48,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:01:48,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:01:48,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a4c3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48, skipping insertion in model container [2024-12-06 00:01:48,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:01:48,356 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_659cca6e-75c0-4874-9a95-94b9029bd516/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2423,2436] [2024-12-06 00:01:48,362 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:01:48,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:01:48,375 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:01:48,394 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_659cca6e-75c0-4874-9a95-94b9029bd516/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2423,2436] [2024-12-06 00:01:48,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:01:48,412 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:01:48,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48 WrapperNode [2024-12-06 00:01:48,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:01:48,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:01:48,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:01:48,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:01:48,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,442 INFO L138 Inliner]: procedures = 23, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-12-06 00:01:48,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:01:48,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:01:48,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:01:48,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:01:48,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:01:48,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:01:48,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:01:48,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:01:48,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:01:48,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:01:48,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:01:48,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:01:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:01:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:01:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:01:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 00:01:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 00:01:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:01:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:01:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:01:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:01:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:01:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:01:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:01:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:01:48,527 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 00:01:48,601 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:01:48,603 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:01:48,798 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:01:48,798 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:01:48,818 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:01:48,818 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:01:48,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:01:48 BoogieIcfgContainer [2024-12-06 00:01:48,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:01:48,819 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:01:48,819 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:01:48,835 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:01:48,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:01:48" (1/1) ... [2024-12-06 00:01:48,836 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:356) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:01:48,841 INFO L158 Benchmark]: Toolchain (without parser) took 664.28ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 68.3MB in the end (delta: 1.5MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-12-06 00:01:48,841 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:01:48,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.20ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 57.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:01:48,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.02ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:01:48,842 INFO L158 Benchmark]: Boogie Preprocessor took 25.77ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:01:48,843 INFO L158 Benchmark]: RCFGBuilder took 348.81ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 39.4MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:01:48,843 INFO L158 Benchmark]: CodeCheck took 20.08ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 68.3MB in the end (delta: -29.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-06 00:01:48,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:172) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.20ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 57.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.02ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.77ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 54.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.81ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 39.4MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 20.08ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 68.3MB in the end (delta: -29.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:01:48,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659cca6e-75c0-4874-9a95-94b9029bd516/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported