./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/spaghetti.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/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_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/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_958cfc64-4b62-4050-a619-82ae71a1d431/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 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:15,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:15,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:04:15,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:15,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:15,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:15,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:15,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:15,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:15,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:15,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:15,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:15,181 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:15,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:15,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:15,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:15,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:15,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:15,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:15,186 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:04:15,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:15,187 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:15,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:15,188 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:15,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:15,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:15,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:15,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:15,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:15,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:15,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:15,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:15,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:15,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:15,195 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:15,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 [2023-11-19 04:04:15,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:15,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:15,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:15,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:15,553 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:15,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-19 04:04:18,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:18,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:18,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-19 04:04:18,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/data/3d678f221/48eddc35c9ba498f80b127b6e70859ef/FLAG9580c9005 [2023-11-19 04:04:18,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/data/3d678f221/48eddc35c9ba498f80b127b6e70859ef [2023-11-19 04:04:18,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:18,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:18,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:18,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:18,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:18,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:18" (1/1) ... [2023-11-19 04:04:18,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e0e187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:18, skipping insertion in model container [2023-11-19 04:04:18,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:18" (1/1) ... [2023-11-19 04:04:18,913 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:19,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:19,126 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:19,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:19,173 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:19,173 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:19,181 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:19,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19 WrapperNode [2023-11-19 04:04:19,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:19,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:19,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:19,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:19,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,231 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-19 04:04:19,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:19,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:19,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:19,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:19,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:19,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:19,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:19,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:19,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:19,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:19,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:19,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:04:19,377 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:04:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:04:19,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:04:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:04:19,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:04:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:04:19,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:04:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:04:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:04:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:04:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:04:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:19,385 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 04:04:19,556 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:19,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:19,885 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:19,908 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:19,909 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:04:19,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:19 BoogieIcfgContainer [2023-11-19 04:04:19,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:19,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:19,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:19,925 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:19,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:19" (1/1) ... [2023-11-19 04:04:19,926 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 04:04:19,930 INFO L158 Benchmark]: Toolchain (without parser) took 1057.24ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 90.1MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 04:04:19,931 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:19,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.42ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 110.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:04:19,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.42ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 108.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:19,933 INFO L158 Benchmark]: Boogie Preprocessor took 35.00ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 106.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:19,934 INFO L158 Benchmark]: RCFGBuilder took 642.81ms. Allocated memory is still 163.6MB. Free memory was 106.8MB in the beginning and 91.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:04:19,935 INFO L158 Benchmark]: CodeCheck took 14.58ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 90.1MB in the end (delta: 962.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:19,939 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 0.34ms. Allocated memory is still 117.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.42ms. Allocated memory is still 163.6MB. Free memory was 121.9MB in the beginning and 110.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.42ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 108.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.00ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 106.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.81ms. Allocated memory is still 163.6MB. Free memory was 106.8MB in the beginning and 91.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.58ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 90.1MB in the end (delta: 962.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:04:19,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/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_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/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_958cfc64-4b62-4050-a619-82ae71a1d431/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 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:22,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:22,781 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:04:22,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:22,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:22,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:22,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:22,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:22,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:22,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:22,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:22,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:22,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:22,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:22,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:22,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:22,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:04:22,856 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:04:22,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:04:22,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:04:22,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:04:22,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:22,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:22,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:22,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:22,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:22,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:22,861 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:22,861 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:04:22,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:22,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:22,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:22,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:22,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:22,864 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:04:22,865 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:04:22,865 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:22,865 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:04:22,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:04:22,867 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_958cfc64-4b62-4050-a619-82ae71a1d431/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 [2023-11-19 04:04:23,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:23,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:23,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:23,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:23,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:23,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-19 04:04:26,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:26,839 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:26,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-19 04:04:26,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/data/fbf4fe064/adb3f4f8252f4ec087945847bbd1c413/FLAG29ca2b0d9 [2023-11-19 04:04:26,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/data/fbf4fe064/adb3f4f8252f4ec087945847bbd1c413 [2023-11-19 04:04:26,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:26,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:26,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:26,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:26,880 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:26,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:26" (1/1) ... [2023-11-19 04:04:26,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bcbf87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:26, skipping insertion in model container [2023-11-19 04:04:26,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:26" (1/1) ... [2023-11-19 04:04:26,911 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:27,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:27,215 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:27,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:27,274 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:27,274 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:04:27,318 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:27,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27 WrapperNode [2023-11-19 04:04:27,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:27,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:27,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:27,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:27,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,416 INFO L138 Inliner]: procedures = 25, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-19 04:04:27,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:27,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:27,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:27,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:27,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:27,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:27,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:27,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:27,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:27" (1/1) ... [2023-11-19 04:04:27,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:27,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:27,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:27,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:04:27,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:04:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:04:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:04:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:04:27,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:04:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:04:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:04:27,564 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:04:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:04:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:04:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:04:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:04:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:27,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:04:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:04:27,570 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 04:04:27,747 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:27,750 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:28,072 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:28,098 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:28,098 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:04:28,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:28 BoogieIcfgContainer [2023-11-19 04:04:28,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:28,104 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:28,104 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:28,116 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:28,117 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:28" (1/1) ... [2023-11-19 04:04:28,118 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 04:04:28,123 INFO L158 Benchmark]: Toolchain (without parser) took 1249.48ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 40.9MB in the beginning and 50.6MB in the end (delta: -9.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:28,124 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:28,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.23ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 40.7MB in the beginning and 71.6MB in the end (delta: -30.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:28,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.77ms. Allocated memory is still 92.3MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:28,127 INFO L158 Benchmark]: Boogie Preprocessor took 49.96ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:28,127 INFO L158 Benchmark]: RCFGBuilder took 635.67ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 51.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:04:28,128 INFO L158 Benchmark]: CodeCheck took 16.87ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 50.6MB in the end (delta: 853.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:04:28,132 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 0.34ms. Allocated memory is still 65.0MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.23ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 40.7MB in the beginning and 71.6MB in the end (delta: -30.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.77ms. Allocated memory is still 92.3MB. Free memory was 71.6MB in the beginning and 69.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.96ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 635.67ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 51.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.87ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 50.6MB in the end (delta: 853.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:04:28,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_958cfc64-4b62-4050-a619-82ae71a1d431/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