./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/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_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/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_923939a7-c74a-4461-a843-3528c039b5e7/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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:33,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:34,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:57:34,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:34,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:34,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:34,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:34,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:34,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:34,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:34,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:34,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:34,181 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:34,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:34,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:34,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:34,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:34,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:34,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:34,186 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:57:34,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:57:34,187 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:34,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:34,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:34,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:34,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:34,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:34,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:34,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:34,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:34,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:34,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:34,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:34,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:34,195 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:34,195 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_923939a7-c74a-4461-a843-3528c039b5e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2023-11-19 03:57:34,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:34,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:34,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:34,633 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:34,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:34,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-19 03:57:37,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:38,207 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:38,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-19 03:57:38,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/data/0400e7c7a/a5066a8b2afa49c78c18cd727ba07e9c/FLAGf83e3c115 [2023-11-19 03:57:38,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/data/0400e7c7a/a5066a8b2afa49c78c18cd727ba07e9c [2023-11-19 03:57:38,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:38,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:38,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:38,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:38,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:38,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdedb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38, skipping insertion in model container [2023-11-19 03:57:38,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:38,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:38,599 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:38,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:38,683 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:38,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38 WrapperNode [2023-11-19 03:57:38,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:38,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:38,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:38,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:38,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,756 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-19 03:57:38,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:38,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:38,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:38,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:38,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:38,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:38,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:38,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:38,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:38" (1/1) ... [2023-11-19 03:57:38,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:38,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:38,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:38,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:38,915 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 03:57:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 03:57:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:57:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:57:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:57:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:57:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:57:38,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:57:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:57:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:38,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:57:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:38,923 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 03:57:39,083 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:39,086 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:39,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:39,478 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:39,478 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:57:39,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:39 BoogieIcfgContainer [2023-11-19 03:57:39,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:39,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:39,486 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:39,498 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:39,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:39" (1/1) ... [2023-11-19 03:57:39,499 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 03:57:39,504 INFO L158 Benchmark]: Toolchain (without parser) took 1256.34ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 48.2MB in the end (delta: 30.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:57:39,504 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:39,505 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.62ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 67.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:57:39,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.56ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:39,507 INFO L158 Benchmark]: Boogie Preprocessor took 49.54ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:39,507 INFO L158 Benchmark]: RCFGBuilder took 676.52ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 49.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:57:39,508 INFO L158 Benchmark]: CodeCheck took 16.23ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 48.2MB in the end (delta: 965.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:39,512 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.62ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 67.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.56ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.54ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 676.52ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 49.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 16.23ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 48.2MB in the end (delta: 965.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:57:39,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/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_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/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_923939a7-c74a-4461-a843-3528c039b5e7/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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:42,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:42,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:57:42,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:42,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:42,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:42,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:42,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:42,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:42,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:42,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:42,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:42,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:42,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:42,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:42,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:42,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:57:42,931 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:57:42,931 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:57:42,932 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:57:42,933 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:57:42,934 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:42,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:42,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:42,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:42,936 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:42,936 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:42,937 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:42,937 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:42,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:42,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:42,939 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:42,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:42,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:42,940 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:57:42,940 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:42,940 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:42,941 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:57:42,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:42,941 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_923939a7-c74a-4461-a843-3528c039b5e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2023-11-19 03:57:43,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:43,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:43,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:43,520 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:43,520 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:43,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-19 03:57:47,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:47,410 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:47,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2023-11-19 03:57:47,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/data/b441a6a35/ac6928ddf82c4a4f86615099b0d32e8a/FLAG28b5180b4 [2023-11-19 03:57:47,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/data/b441a6a35/ac6928ddf82c4a4f86615099b0d32e8a [2023-11-19 03:57:47,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:47,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:47,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:47,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:47,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:47,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79372bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47, skipping insertion in model container [2023-11-19 03:57:47,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:47,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:47,828 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:47,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:47,904 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:47,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47 WrapperNode [2023-11-19 03:57:47,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:47,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:47,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:47,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:47,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,982 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-19 03:57:47,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:47,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:47,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:47,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:47,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:47,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:48,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:48,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:48,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:48,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:47" (1/1) ... [2023-11-19 03:57:48,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:48,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:48,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:48,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 03:57:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 03:57:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:57:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:57:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:57:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:57:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:57:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:57:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:57:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:57:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:57:48,178 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 03:57:48,390 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:48,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:48,747 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:48,760 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:48,760 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:57:48,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:48 BoogieIcfgContainer [2023-11-19 03:57:48,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:48,767 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:48,767 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:48,780 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:48,780 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:48" (1/1) ... [2023-11-19 03:57:48,781 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 03:57:48,787 INFO L158 Benchmark]: Toolchain (without parser) took 1330.22ms. Allocated memory is still 98.6MB. Free memory was 74.9MB in the beginning and 65.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,787 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:48,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.34ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 63.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.55ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,790 INFO L158 Benchmark]: Boogie Preprocessor took 78.69ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,791 INFO L158 Benchmark]: RCFGBuilder took 703.18ms. Allocated memory is still 98.6MB. Free memory was 59.7MB in the beginning and 66.8MB in the end (delta: -7.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:48,792 INFO L158 Benchmark]: CodeCheck took 17.96ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 65.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:48,796 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 0.35ms. Allocated memory is still 71.3MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.34ms. Allocated memory is still 98.6MB. Free memory was 74.6MB in the beginning and 63.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.55ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.69ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 703.18ms. Allocated memory is still 98.6MB. Free memory was 59.7MB in the beginning and 66.8MB in the end (delta: -7.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * CodeCheck took 17.96ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 65.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:57:48,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923939a7-c74a-4461-a843-3528c039b5e7/bin/ukojak-verify-G8NBE6pJGL/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