./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:32,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:32,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:55:32,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:32,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:32,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:32,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:32,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:32,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:32,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:32,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:32,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:32,668 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:32,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:32,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:32,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:32,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:32,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:32,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:32,672 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:32,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:32,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:32,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:32,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:32,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:32,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:32,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:32,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:32,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:32,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:32,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:32,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:32,679 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:32,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:32,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:32,679 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_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 [2023-11-24 22:55:32,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:32,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:32,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:32,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:32,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:32,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2023-11-24 22:55:35,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:36,344 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:36,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2023-11-24 22:55:36,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/data/ed5270acc/f53d4309cb8e4d2c96441ae102e03bb9/FLAG43c4bdd8a [2023-11-24 22:55:36,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/data/ed5270acc/f53d4309cb8e4d2c96441ae102e03bb9 [2023-11-24 22:55:36,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:36,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:36,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:36,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:36,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:36,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a3b633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36, skipping insertion in model container [2023-11-24 22:55:36,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:36,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:36,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:36,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:36,789 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:36,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36 WrapperNode [2023-11-24 22:55:36,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:36,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:36,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:36,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:36,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,838 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-24 22:55:36,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:36,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:36,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:36,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:36,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:36,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:36,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:36,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:36,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:36" (1/1) ... [2023-11-24 22:55:36,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:36,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:36,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:36,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-24 22:55:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-24 22:55:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:55:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:55:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:55:36,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:55:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:55:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:55:36,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_bool_array [2023-11-24 22:55:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_bool_array [2023-11-24 22:55:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:37,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:37,002 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:55:37,133 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:37,135 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:37,693 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:37,713 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:37,713 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:55:37,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:37 BoogieIcfgContainer [2023-11-24 22:55:37,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:37,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:37,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:37,728 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:37,728 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:37" (1/1) ... [2023-11-24 22:55:37,729 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) [2023-11-24 22:55:37,740 INFO L158 Benchmark]: Toolchain (without parser) took 1352.20ms. Allocated memory is still 155.2MB. Free memory was 125.9MB in the beginning and 74.4MB in the end (delta: 51.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,740 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:37,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.17ms. Allocated memory is still 155.2MB. Free memory was 125.9MB in the beginning and 111.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.02ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 110.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,744 INFO L158 Benchmark]: Boogie Preprocessor took 57.97ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 107.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,745 INFO L158 Benchmark]: RCFGBuilder took 817.77ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 75.6MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,746 INFO L158 Benchmark]: CodeCheck took 21.05ms. Allocated memory is still 155.2MB. Free memory was 75.4MB in the beginning and 74.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:37,758 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 0.23ms. Allocated memory is still 121.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.17ms. Allocated memory is still 155.2MB. Free memory was 125.9MB in the beginning and 111.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.02ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 110.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.97ms. Allocated memory is still 155.2MB. Free memory was 110.2MB in the beginning and 107.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 817.77ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 75.6MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 21.05ms. Allocated memory is still 155.2MB. Free memory was 75.4MB in the beginning and 74.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:55:37,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:40,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:40,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:55:40,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:40,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:40,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:40,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:40,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:40,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:40,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:40,691 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:40,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:40,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:40,694 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:40,694 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:40,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:40,695 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:55:40,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:55:40,696 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:40,697 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:55:40,698 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:40,698 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:40,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:40,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:40,699 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:40,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:40,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:40,701 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:40,701 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:40,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:40,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:40,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:40,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:40,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:40,704 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:55:40,705 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:40,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:40,705 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:55:40,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:40,707 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_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 [2023-11-24 22:55:41,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:41,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:41,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:41,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:41,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:41,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2023-11-24 22:55:44,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:44,682 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:44,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2023-11-24 22:55:44,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/data/6d8a5a874/d83cb7d389a14f6e8558801b1e7e53c7/FLAGdfe0241a6 [2023-11-24 22:55:44,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/data/6d8a5a874/d83cb7d389a14f6e8558801b1e7e53c7 [2023-11-24 22:55:44,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:44,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:44,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:44,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:44,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:44,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766c7bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44, skipping insertion in model container [2023-11-24 22:55:44,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:45,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:45,120 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:45,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:45,230 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:45,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45 WrapperNode [2023-11-24 22:55:45,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:45,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:45,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:45,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:45,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,298 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-24 22:55:45,299 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:45,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:45,300 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:45,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:45,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:45,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:45,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:45,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:45,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:45,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:45,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:45,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-24 22:55:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-24 22:55:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 22:55:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:55:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:55:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:55:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:55:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:55:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:55:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:55:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:55:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_bool_array [2023-11-24 22:55:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_bool_array [2023-11-24 22:55:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 22:55:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:55:45,504 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:55:45,691 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:45,693 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:46,445 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:46,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:46,468 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:55:46,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:46 BoogieIcfgContainer [2023-11-24 22:55:46,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:46,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:46,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:46,499 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:46,499 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:46" (1/1) ... [2023-11-24 22:55:46,500 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) [2023-11-24 22:55:46,506 INFO L158 Benchmark]: Toolchain (without parser) took 1784.20ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 68.8MB in the end (delta: -900.2kB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,506 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:46,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.68ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 53.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.26ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 51.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,509 INFO L158 Benchmark]: Boogie Preprocessor took 83.02ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 48.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,510 INFO L158 Benchmark]: RCFGBuilder took 1087.38ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 38.4MB in the end (delta: 10.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,511 INFO L158 Benchmark]: CodeCheck took 32.14ms. Allocated memory is still 92.3MB. Free memory was 38.4MB in the beginning and 68.8MB in the end (delta: -30.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:46,515 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 0.25ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.68ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 53.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.26ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 51.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.02ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 48.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1087.38ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 38.4MB in the end (delta: 10.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * CodeCheck took 32.14ms. Allocated memory is still 92.3MB. Free memory was 38.4MB in the beginning and 68.8MB in the end (delta: -30.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:55:46,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22734abd-6773-4697-82b3-4c2bc2852c90/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported