./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/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_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/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_ffa0f931-21a5-4707-b609-ecf12178a670/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 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:55,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:55,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:56:55,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:55,428 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:55,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:55,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:55,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:55,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:55,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:55,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:55,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:55,481 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:55,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:55,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:55,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:55,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:55,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:55,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:55,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:56:55,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:56:55,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:55,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:55,490 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:55,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:55,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:55,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:55,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:55,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:55,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:55,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:55,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:55,496 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:55,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:55,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:55,497 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_ffa0f931-21a5-4707-b609-ecf12178a670/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 [2023-11-19 03:56:55,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:55,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:55,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:55,894 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:55,895 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:55,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-19 03:56:58,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:59,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:59,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-19 03:56:59,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/data/9645d385b/7b5e67ef602d46cc9d3c43aba72b6fd3/FLAG630b1cbd1 [2023-11-19 03:56:59,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/data/9645d385b/7b5e67ef602d46cc9d3c43aba72b6fd3 [2023-11-19 03:56:59,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:59,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:59,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:59,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:59,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:59,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127f0c3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59, skipping insertion in model container [2023-11-19 03:56:59,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:59,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:59,849 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:59,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:59,880 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:59,881 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:56:59,889 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:59,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59 WrapperNode [2023-11-19 03:56:59,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:59,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:59,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:59,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:59,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,929 INFO L138 Inliner]: procedures = 22, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-19 03:56:59,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:59,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:59,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:59,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:59,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:59,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:59,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:59,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:59,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:59" (1/1) ... [2023-11-19 03:56:59,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:00,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:00,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:00,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:57:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:57:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:57:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:57:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:57:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:57:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:57:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:57:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:57:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:00,064 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:57:00,156 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:00,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:00,397 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:00,496 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:00,496 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:57:00,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:00 BoogieIcfgContainer [2023-11-19 03:57:00,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:00,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:00,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:00,524 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:00,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,525 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:57:00,532 INFO L158 Benchmark]: Toolchain (without parser) took 900.93ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 70.0MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,532 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:00,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.59ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 92.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.48ms. Allocated memory is still 136.3MB. Free memory was 92.2MB in the beginning and 90.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:00,535 INFO L158 Benchmark]: Boogie Preprocessor took 41.44ms. Allocated memory is still 136.3MB. Free memory was 90.7MB in the beginning and 89.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,538 INFO L158 Benchmark]: RCFGBuilder took 527.46ms. Allocated memory is still 136.3MB. Free memory was 89.1MB in the beginning and 71.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:57:00,539 INFO L158 Benchmark]: CodeCheck took 28.89ms. Allocated memory is still 136.3MB. Free memory was 71.2MB in the beginning and 70.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:00,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 136.3MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.59ms. Allocated memory is still 136.3MB. Free memory was 103.5MB in the beginning and 92.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.48ms. Allocated memory is still 136.3MB. Free memory was 92.2MB in the beginning and 90.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.44ms. Allocated memory is still 136.3MB. Free memory was 90.7MB in the beginning and 89.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.46ms. Allocated memory is still 136.3MB. Free memory was 89.1MB in the beginning and 71.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 28.89ms. Allocated memory is still 136.3MB. Free memory was 71.2MB in the beginning and 70.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:57:00,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/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_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/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_ffa0f931-21a5-4707-b609-ecf12178a670/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 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:03,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:03,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:57:03,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:03,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:03,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:03,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:03,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:03,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:03,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:03,468 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:03,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:03,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:03,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:03,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:03,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:03,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:57:03,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:57:03,473 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:57:03,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:57:03,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:57:03,476 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:03,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:03,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:03,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:03,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:03,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:03,479 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:03,479 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:03,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:03,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:03,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:03,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:03,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:03,483 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:57:03,484 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:03,484 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:03,484 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:57:03,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:03,486 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_ffa0f931-21a5-4707-b609-ecf12178a670/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aa715856437bb3403b6a2717a4123b124cdc9b291b63ee677b7c1993b3be7b6 [2023-11-19 03:57:03,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:03,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:03,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:03,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:03,996 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:03,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-19 03:57:07,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:07,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:07,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2023-11-19 03:57:07,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/data/92c1726b4/8ad16559d6a64b04b8e3c972e0e65972/FLAG1d3dc553e [2023-11-19 03:57:07,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/data/92c1726b4/8ad16559d6a64b04b8e3c972e0e65972 [2023-11-19 03:57:07,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:07,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:07,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:07,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:07,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:07,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca85fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07, skipping insertion in model container [2023-11-19 03:57:07,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,614 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:07,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:07,903 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:07,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:07,967 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:57:07,968 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:57:07,978 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:07,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07 WrapperNode [2023-11-19 03:57:07,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:07,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:07,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:07,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:07,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,049 INFO L138 Inliner]: procedures = 24, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-11-19 03:57:08,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:08,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:08,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:08,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:08,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:08,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:08,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:08,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:08,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:08,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:08,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:08,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:57:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:57:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:57:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:57:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:57:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:57:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:57:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:57:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:57:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:57:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:57:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:57:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:57:08,208 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:57:08,379 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:08,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:08,799 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:08,930 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:08,930 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:57:08,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:08 BoogieIcfgContainer [2023-11-19 03:57:08,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:08,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:08,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:08,948 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:08,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:08" (1/1) ... [2023-11-19 03:57:08,950 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:57:08,956 INFO L158 Benchmark]: Toolchain (without parser) took 1402.00ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 54.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-19 03:57:08,958 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:08,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.85ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 54.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:57:08,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.65ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 52.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:08,961 INFO L158 Benchmark]: Boogie Preprocessor took 60.06ms. Allocated memory is still 90.2MB. Free memory was 52.7MB in the beginning and 50.9MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:57:08,963 INFO L158 Benchmark]: RCFGBuilder took 824.22ms. Allocated memory is still 90.2MB. Free memory was 50.9MB in the beginning and 55.6MB in the end (delta: -4.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-11-19 03:57:08,964 INFO L158 Benchmark]: CodeCheck took 17.22ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 54.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:57:08,973 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 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.85ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 54.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.65ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 52.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.06ms. Allocated memory is still 90.2MB. Free memory was 52.7MB in the beginning and 50.9MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 824.22ms. Allocated memory is still 90.2MB. Free memory was 50.9MB in the beginning and 55.6MB in the end (delta: -4.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * CodeCheck took 17.22ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 54.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:57:09,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa0f931-21a5-4707-b609-ecf12178a670/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported