./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/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_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/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_436239d0-b63c-4c50-b203-ad7c29c4db93/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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:02,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:02,096 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:56:02,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:02,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:02,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:02,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:02,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:02,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:02,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:02,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:02,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:02,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:02,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:02,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:02,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:02,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:02,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:02,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:02,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:02,136 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:02,136 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:02,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:02,137 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:02,138 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:02,138 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:02,138 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:02,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:02,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:02,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:02,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:02,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:02,141 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:02,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:02,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:02,142 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_436239d0-b63c-4c50-b203-ad7c29c4db93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc [2023-11-24 22:56:02,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:02,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:02,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:02,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:02,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:02,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-24 22:56:05,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:05,957 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:05,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-24 22:56:05,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/data/8e3fe135d/57ce0a72d0954715bafa17939f1b31a5/FLAGe22631b7e [2023-11-24 22:56:05,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/data/8e3fe135d/57ce0a72d0954715bafa17939f1b31a5 [2023-11-24 22:56:05,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:05,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:06,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:06,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:06,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:06,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:06,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa2e765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06, skipping insertion in model container [2023-11-24 22:56:06,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:05" (1/1) ... [2023-11-24 22:56:06,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:06,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:06,365 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:06,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:06,420 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:06,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06 WrapperNode [2023-11-24 22:56:06,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:06,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:06,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:06,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:06,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,495 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-24 22:56:06,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:06,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:06,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:06,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:06,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,513 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:06,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:06,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:06,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:06,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:06,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:06,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:06,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:06,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:56:06,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:56:06,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:56:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:56:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:56:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:56:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:06,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:06,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:56:06,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:06,599 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 22:56:06,724 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:06,727 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:06,969 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:06,982 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:06,982 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:56:06,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:06 BoogieIcfgContainer [2023-11-24 22:56:06,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:06,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:06,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:07,001 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:07,001 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:06" (1/1) ... [2023-11-24 22:56:07,002 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 22:56:07,007 INFO L158 Benchmark]: Toolchain (without parser) took 1008.74ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 115.7MB in the end (delta: 15.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,007 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 90.0MB in the beginning and 89.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:07,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.91ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 134.6MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.64ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 132.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,010 INFO L158 Benchmark]: Boogie Preprocessor took 27.06ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 131.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,010 INFO L158 Benchmark]: RCFGBuilder took 464.09ms. Allocated memory is still 167.8MB. Free memory was 131.7MB in the beginning and 117.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:07,011 INFO L158 Benchmark]: CodeCheck took 16.38ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 115.7MB in the end (delta: 442.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:07,015 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 0.30ms. Allocated memory is still 121.6MB. Free memory was 90.0MB in the beginning and 89.9MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.91ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 134.6MB in the end (delta: -3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.64ms. Allocated memory is still 167.8MB. Free memory was 134.6MB in the beginning and 132.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.06ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 131.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.09ms. Allocated memory is still 167.8MB. Free memory was 131.7MB in the beginning and 117.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 16.38ms. Allocated memory is still 167.8MB. Free memory was 116.2MB in the beginning and 115.7MB in the end (delta: 442.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:56:07,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/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_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/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_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/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_436239d0-b63c-4c50-b203-ad7c29c4db93/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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:09,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:09,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:56:09,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:09,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:09,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:09,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:09,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:09,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:09,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:09,962 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:09,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:09,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:09,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:09,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:09,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:09,965 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:09,965 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:09,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:09,967 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:09,967 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:09,968 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:09,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:09,968 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:09,969 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:09,969 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:09,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:09,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:09,971 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:09,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:09,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:09,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:09,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:09,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:09,974 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:09,974 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:09,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:09,975 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:09,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:09,976 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_436239d0-b63c-4c50-b203-ad7c29c4db93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc [2023-11-24 22:56:10,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:10,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:10,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:10,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:10,381 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:10,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-24 22:56:13,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:13,729 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:13,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/sv-benchmarks/c/weaver/mult-flipped-dist.wvr.c [2023-11-24 22:56:13,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/data/624e921f4/4f0bb5fdac814a589321832d272ef212/FLAG3e2af87f3 [2023-11-24 22:56:13,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/data/624e921f4/4f0bb5fdac814a589321832d272ef212 [2023-11-24 22:56:13,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:13,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:13,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:13,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:13,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:13,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:13" (1/1) ... [2023-11-24 22:56:13,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15baedfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:13, skipping insertion in model container [2023-11-24 22:56:13,764 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:13" (1/1) ... [2023-11-24 22:56:13,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:14,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:14,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:14,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:14,133 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:14,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14 WrapperNode [2023-11-24 22:56:14,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:14,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:14,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:14,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:14,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,197 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-24 22:56:14,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:14,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:14,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:14,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:14,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:14,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:14,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:14,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:14,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:14,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:14,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:14,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:14,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:56:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:56:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:56:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:56:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:56:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:56:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:56:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:56:14,389 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 22:56:14,540 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:14,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:14,809 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:14,825 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:14,825 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:56:14,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:14 BoogieIcfgContainer [2023-11-24 22:56:14,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:14,828 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:14,828 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:14,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:14,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:14" (1/1) ... [2023-11-24 22:56:14,843 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 22:56:14,849 INFO L158 Benchmark]: Toolchain (without parser) took 1092.22ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 36.5MB in the end (delta: 12.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:14,849 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:14,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.38ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 37.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:14,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.34ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:14,852 INFO L158 Benchmark]: Boogie Preprocessor took 92.84ms. Allocated memory is still 73.4MB. Free memory was 36.0MB in the beginning and 52.3MB in the end (delta: -16.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:14,854 INFO L158 Benchmark]: RCFGBuilder took 534.49ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 37.6MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:14,855 INFO L158 Benchmark]: CodeCheck took 19.12ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 36.5MB in the end (delta: 918.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:14,866 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 0.24ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.38ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 37.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.34ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 36.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 92.84ms. Allocated memory is still 73.4MB. Free memory was 36.0MB in the beginning and 52.3MB in the end (delta: -16.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 534.49ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 37.6MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 19.12ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 36.5MB in the end (delta: 918.2kB). 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 22:56:14,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_436239d0-b63c-4c50-b203-ad7c29c4db93/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