./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:32,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:32,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:09:32,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:32,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:32,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:32,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:32,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:32,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:32,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:32,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:32,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:32,420 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:32,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:32,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:32,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:32,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:32,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:32,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:32,424 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:09:32,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:32,425 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:32,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:32,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:32,426 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:32,427 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:32,427 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:32,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:32,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:32,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:32,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:32,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:32,430 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:32,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:32,430 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:32,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 [2023-11-19 03:09:32,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:32,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:32,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:32,755 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:32,755 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:32,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2023-11-19 03:09:35,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:36,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:36,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2023-11-19 03:09:36,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/data/ecfb11839/aee1421bf4d94021bea8f76f8e607d4d/FLAGd984d8911 [2023-11-19 03:09:36,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/data/ecfb11839/aee1421bf4d94021bea8f76f8e607d4d [2023-11-19 03:09:36,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:36,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:36,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:36,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:36,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:36,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547c6db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36, skipping insertion in model container [2023-11-19 03:09:36,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:36,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:36,475 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:36,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:36,536 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:36,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36 WrapperNode [2023-11-19 03:09:36,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:36,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:36,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:36,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:36,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,582 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-19 03:09:36,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:36,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:36,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:36,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:36,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:36,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:36,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:36,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:36,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:36" (1/1) ... [2023-11-19 03:09:36,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:36,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:36,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:36,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 03:09:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 03:09:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:09:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:09:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:09:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:09:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:09:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:09:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:09:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:09:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:09:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:09:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_bool_array [2023-11-19 03:09:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_bool_array [2023-11-19 03:09:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:36,804 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:09:36,929 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:36,931 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:37,605 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:37,622 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:37,622 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:09:37,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:37 BoogieIcfgContainer [2023-11-19 03:09:37,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:37,631 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:37,631 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:37,642 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:37,642 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:37" (1/1) ... [2023-11-19 03:09:37,643 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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) [2023-11-19 03:09:37,648 INFO L158 Benchmark]: Toolchain (without parser) took 1499.17ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 84.6MB in the beginning and 103.3MB in the end (delta: -18.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,649 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:37,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.55ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 70.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.01ms. Allocated memory is still 130.0MB. Free memory was 70.7MB in the beginning and 69.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,651 INFO L158 Benchmark]: Boogie Preprocessor took 86.24ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 69.0MB in the beginning and 135.5MB in the end (delta: -66.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,652 INFO L158 Benchmark]: RCFGBuilder took 945.55ms. Allocated memory is still 165.7MB. Free memory was 135.5MB in the beginning and 104.3MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:09:37,653 INFO L158 Benchmark]: CodeCheck took 15.65ms. Allocated memory is still 165.7MB. Free memory was 104.3MB in the beginning and 103.3MB in the end (delta: 974.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:37,657 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.55ms. Allocated memory is still 130.0MB. Free memory was 84.6MB in the beginning and 70.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.01ms. Allocated memory is still 130.0MB. Free memory was 70.7MB in the beginning and 69.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.24ms. Allocated memory was 130.0MB in the beginning and 165.7MB in the end (delta: 35.7MB). Free memory was 69.0MB in the beginning and 135.5MB in the end (delta: -66.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 945.55ms. Allocated memory is still 165.7MB. Free memory was 135.5MB in the beginning and 104.3MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 15.65ms. Allocated memory is still 165.7MB. Free memory was 104.3MB in the beginning and 103.3MB in the end (delta: 974.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:09:37,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:40,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:40,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:09:40,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:40,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:40,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:40,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:40,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:40,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:40,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:40,634 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:40,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:40,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:40,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:40,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:40,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:40,638 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:09:40,638 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:09:40,639 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:09:40,640 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:09:40,640 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:40,641 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:40,642 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:40,642 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:40,642 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:40,643 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:40,643 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:40,644 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:09:40,644 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:09:40,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:40,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:40,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:40,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:40,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:40,648 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:09:40,648 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:09:40,648 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:40,649 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:09:40,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:09:40,650 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 [2023-11-19 03:09:41,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:41,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:41,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:41,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:41,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:41,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2023-11-19 03:09:44,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:44,546 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:44,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2023-11-19 03:09:44,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/data/902538bbc/fca0d556b5714a3b839c187914aa45d8/FLAG7419ce7f9 [2023-11-19 03:09:44,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/data/902538bbc/fca0d556b5714a3b839c187914aa45d8 [2023-11-19 03:09:44,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:44,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:44,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:44,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:44,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:44,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:44,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1230a890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44, skipping insertion in model container [2023-11-19 03:09:44,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:44,629 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:44,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:44,863 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:44,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:44,933 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:44,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44 WrapperNode [2023-11-19 03:09:44,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:44,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:44,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:44,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:44,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:44,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:44,981 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-19 03:09:44,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:44,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:44,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:44,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:44,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:44,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:45,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:45,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:45,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:45,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:45,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:45,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:45,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:45,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:45,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:45,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:45,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:44" (1/1) ... [2023-11-19 03:09:45,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:45,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:45,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:45,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 03:09:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 03:09:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 03:09:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:09:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:09:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:09:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:09:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:09:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:09:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:09:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:09:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:09:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:09:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_bool_array [2023-11-19 03:09:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_bool_array [2023-11-19 03:09:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 03:09:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:09:45,155 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:09:45,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:45,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:45,905 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:45,923 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:45,923 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:09:45,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:45 BoogieIcfgContainer [2023-11-19 03:09:45,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:45,931 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:45,931 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:45,941 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:45,941 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:45" (1/1) ... [2023-11-19 03:09:45,942 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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) [2023-11-19 03:09:45,946 INFO L158 Benchmark]: Toolchain (without parser) took 1365.94ms. Allocated memory is still 98.6MB. Free memory was 74.0MB in the beginning and 49.7MB in the end (delta: 24.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-11-19 03:09:45,947 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:45,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.29ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 59.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:09:45,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.16ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:45,949 INFO L158 Benchmark]: Boogie Preprocessor took 89.35ms. Allocated memory is still 98.6MB. Free memory was 57.7MB in the beginning and 55.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:45,950 INFO L158 Benchmark]: RCFGBuilder took 857.78ms. Allocated memory is still 98.6MB. Free memory was 55.0MB in the beginning and 50.8MB in the end (delta: 4.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-19 03:09:45,951 INFO L158 Benchmark]: CodeCheck took 14.05ms. Allocated memory is still 98.6MB. Free memory was 50.8MB in the beginning and 49.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:45,954 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.29ms. Allocated memory is still 98.6MB. Free memory was 73.7MB in the beginning and 59.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.16ms. Allocated memory is still 98.6MB. Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.35ms. Allocated memory is still 98.6MB. Free memory was 57.7MB in the beginning and 55.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 857.78ms. Allocated memory is still 98.6MB. Free memory was 55.0MB in the beginning and 50.8MB in the end (delta: 4.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * CodeCheck took 14.05ms. Allocated memory is still 98.6MB. Free memory was 50.8MB in the beginning and 49.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:09:45,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8dc8fa9-db2f-48dd-aed9-688661a124e8/bin/ukojak-verify-G8NBE6pJGL/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: Concurrent programs are currently unsupported