./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/mult-flipped-dist.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_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/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_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/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_34450a92-84bc-4118-856a-cf56c5375d10/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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:17,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:17,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:53:17,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:17,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:17,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:17,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:17,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:17,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:17,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:17,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:17,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:17,668 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:17,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:17,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:17,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:17,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:17,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:17,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:17,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:17,673 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:17,674 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:17,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:17,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:17,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:17,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:17,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:17,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:17,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:17,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:17,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:17,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:17,682 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:17,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:17,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:17,683 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_34450a92-84bc-4118-856a-cf56c5375d10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc [2023-11-19 02:53:18,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:18,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:18,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:18,050 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:18,050 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:18,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-19 02:53:21,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:21,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:21,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-19 02:53:21,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/data/993298bc9/d52d3b2ff4af4cfc87734624f6547823/FLAGe5740e8d1 [2023-11-19 02:53:21,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/data/993298bc9/d52d3b2ff4af4cfc87734624f6547823 [2023-11-19 02:53:21,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:21,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:21,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:21,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:21,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:21,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ab5610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21, skipping insertion in model container [2023-11-19 02:53:21,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:21,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:21,664 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:21,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:21,704 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:21,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21 WrapperNode [2023-11-19 02:53:21,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:21,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:21,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:21,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:21,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,743 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-19 02:53:21,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:21,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:21,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:21,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:21,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:21,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:21,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:21,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:21,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:21" (1/1) ... [2023-11-19 02:53:21,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:21,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:21,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:21,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:53:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:53:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:53:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:53:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:53:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:53:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:53:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:21,864 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 02:53:21,973 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:21,976 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:22,229 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:22,240 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:22,240 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:53:22,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:22 BoogieIcfgContainer [2023-11-19 02:53:22,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:22,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:22,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:22,256 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:22,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:22" (1/1) ... [2023-11-19 02:53:22,258 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 02:53:22,262 INFO L158 Benchmark]: Toolchain (without parser) took 848.78ms. Allocated memory is still 182.5MB. Free memory was 154.6MB in the beginning and 145.2MB in the end (delta: 9.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-19 02:53:22,262 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:22,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.11ms. Allocated memory is still 182.5MB. Free memory was 154.4MB in the beginning and 146.6MB in the end (delta: 7.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-19 02:53:22,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.39ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 145.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:22,265 INFO L158 Benchmark]: Boogie Preprocessor took 30.03ms. Allocated memory is still 182.5MB. Free memory was 145.2MB in the beginning and 143.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:22,265 INFO L158 Benchmark]: RCFGBuilder took 469.23ms. Allocated memory is still 182.5MB. Free memory was 143.7MB in the beginning and 146.5MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:22,266 INFO L158 Benchmark]: CodeCheck took 14.83ms. Allocated memory is still 182.5MB. Free memory was 146.5MB in the beginning and 145.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:22,269 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 132.1MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.11ms. Allocated memory is still 182.5MB. Free memory was 154.4MB in the beginning and 146.6MB in the end (delta: 7.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.39ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 145.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.03ms. Allocated memory is still 182.5MB. Free memory was 145.2MB in the beginning and 143.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.23ms. Allocated memory is still 182.5MB. Free memory was 143.7MB in the beginning and 146.5MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14.83ms. Allocated memory is still 182.5MB. Free memory was 146.5MB in the beginning and 145.2MB in the end (delta: 1.3MB). 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 02:53:22,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/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 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_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/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_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/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_34450a92-84bc-4118-856a-cf56c5375d10/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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:24,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:25,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:53:25,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:25,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:25,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:25,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:25,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:25,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:25,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:25,082 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:25,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:25,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:25,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:25,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:25,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:25,090 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:53:25,091 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:53:25,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:25,092 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:53:25,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:25,093 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:25,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:25,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:25,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:25,094 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:25,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:25,095 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:25,096 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:25,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:25,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:25,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:25,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:25,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:25,099 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:53:25,099 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:25,099 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:25,099 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:53:25,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:25,101 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_34450a92-84bc-4118-856a-cf56c5375d10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc [2023-11-19 02:53:25,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:25,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:25,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:25,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:25,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:25,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-19 02:53:28,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:28,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:28,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-19 02:53:28,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/data/5925a8146/cf780f2bffed48798b1c68830701ea48/FLAGb711a71c7 [2023-11-19 02:53:29,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/data/5925a8146/cf780f2bffed48798b1c68830701ea48 [2023-11-19 02:53:29,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:29,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:29,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:29,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:29,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:29,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eff9345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29, skipping insertion in model container [2023-11-19 02:53:29,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:29,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:29,302 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:29,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:29,376 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:29,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29 WrapperNode [2023-11-19 02:53:29,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:29,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:29,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:29,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:29,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,442 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-19 02:53:29,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:29,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:29,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:29,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:29,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:29,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:29,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:29,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:29,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:29" (1/1) ... [2023-11-19 02:53:29,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:29,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:29,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:29,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:29,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 02:53:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 02:53:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 02:53:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 02:53:29,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 02:53:29,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 02:53:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:53:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 02:53:29,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:29,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:53:29,603 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 02:53:29,756 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:29,760 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:30,028 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:30,043 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:30,043 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:53:30,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:30 BoogieIcfgContainer [2023-11-19 02:53:30,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:30,048 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:30,049 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:30,062 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:30,063 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:30" (1/1) ... [2023-11-19 02:53:30,064 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 02:53:30,071 INFO L158 Benchmark]: Toolchain (without parser) took 1056.90ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 64.5MB in the end (delta: 3.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-19 02:53:30,071 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:30,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.40ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 56.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:53:30,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.41ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 54.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:30,074 INFO L158 Benchmark]: Boogie Preprocessor took 57.65ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:30,076 INFO L158 Benchmark]: RCFGBuilder took 546.11ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 65.7MB in the end (delta: -12.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-19 02:53:30,077 INFO L158 Benchmark]: CodeCheck took 19.78ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 64.5MB in the end (delta: 818.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:30,086 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 0.31ms. Allocated memory is still 92.3MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.40ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 56.4MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.41ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 54.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.65ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.11ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 65.7MB in the end (delta: -12.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * CodeCheck took 19.78ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 64.5MB in the end (delta: 818.9kB). 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 02:53:30,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34450a92-84bc-4118-856a-cf56c5375d10/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