./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV --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 f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:28,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:28,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:49:28,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:28,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:28,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:28,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:28,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:28,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:28,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:28,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:28,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:28,377 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:28,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:28,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:28,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:28,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:28,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:28,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:28,382 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:28,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:28,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:28,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:28,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:28,385 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:28,385 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:28,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:28,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:28,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:28,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:28,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:28,389 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:28,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:28,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:28,390 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_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 [2023-11-11 23:49:28,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:28,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:28,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:28,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:28,820 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:28,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2023-11-11 23:49:32,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:32,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:32,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2023-11-11 23:49:32,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/data/45f170fca/4133f18047cf4e9bb80754b93ad1f021/FLAGd0ed744d8 [2023-11-11 23:49:32,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/data/45f170fca/4133f18047cf4e9bb80754b93ad1f021 [2023-11-11 23:49:32,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:32,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:32,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:32,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:32,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:32,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a44b1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32, skipping insertion in model container [2023-11-11 23:49:32,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,658 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:32,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:32,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:32,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:32,896 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:32,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32 WrapperNode [2023-11-11 23:49:32,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:32,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:32,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:32,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:32,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,949 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2023-11-11 23:49:32,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:32,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:32,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:32,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:32,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:32,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:32,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:32,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:32,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:32" (1/1) ... [2023-11-11 23:49:32,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:33,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:33,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:33,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:49:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:49:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:49:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:49:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:49:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:49:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:49:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:49:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:49:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:49:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:49:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:33,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:49:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:33,062 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:49:33,160 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:33,162 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:33,399 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:33,408 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:33,408 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:49:33,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:33 BoogieIcfgContainer [2023-11-11 23:49:33,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:33,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:33,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:33,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:33,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:33" (1/1) ... [2023-11-11 23:49:33,432 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) [2023-11-11 23:49:33,435 INFO L158 Benchmark]: Toolchain (without parser) took 818.15ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 87.0MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-11 23:49:33,436 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 115.3MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:33,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.77ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 106.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:49:33,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.38ms. Allocated memory is still 155.2MB. Free memory was 106.8MB in the beginning and 105.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:33,438 INFO L158 Benchmark]: Boogie Preprocessor took 29.97ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 103.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:33,439 INFO L158 Benchmark]: RCFGBuilder took 430.29ms. Allocated memory is still 155.2MB. Free memory was 103.3MB in the beginning and 87.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:49:33,440 INFO L158 Benchmark]: CodeCheck took 22.07ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 87.0MB in the end (delta: 872.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:33,443 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 0.76ms. Allocated memory is still 115.3MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.77ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 106.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.38ms. Allocated memory is still 155.2MB. Free memory was 106.8MB in the beginning and 105.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.97ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 103.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.29ms. Allocated memory is still 155.2MB. Free memory was 103.3MB in the beginning and 87.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 22.07ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 87.0MB in the end (delta: 872.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:49:33,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV --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 f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:36,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:36,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:49:36,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:36,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:36,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:36,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:36,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:36,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:36,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:36,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:36,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:36,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:36,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:36,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:36,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:36,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:49:36,683 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:49:36,683 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:36,684 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:49:36,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:36,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:36,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:36,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:36,687 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:36,688 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:36,689 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:49:36,689 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:36,690 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:49:36,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:36,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:36,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:36,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:36,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:36,693 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:49:36,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:49:36,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:36,694 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:49:36,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:49:36,694 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_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f64e270e7d8e8fe7bf3b7cd641a237e1a4059fd56c14ffbabdcef7751fd05704 [2023-11-11 23:49:37,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:37,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:37,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:37,208 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:37,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:37,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2023-11-11 23:49:41,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:41,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:41,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2023-11-11 23:49:41,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/data/e30452175/d96860312c544f1f855d6367f838db39/FLAG868c8015c [2023-11-11 23:49:41,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/data/e30452175/d96860312c544f1f855d6367f838db39 [2023-11-11 23:49:41,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:41,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:41,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:41,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:41,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:41,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:41,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11abbc8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41, skipping insertion in model container [2023-11-11 23:49:41,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:41,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:41,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:41,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:41,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:41,930 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:41,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41 WrapperNode [2023-11-11 23:49:41,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:41,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:41,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:41,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:41,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:41,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:41,987 INFO L138 Inliner]: procedures = 22, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2023-11-11 23:49:41,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:41,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:41,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:41,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:42,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:42,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:42,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:42,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:42,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2023-11-11 23:49:42,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:42,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:42,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:42,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:49:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:49:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:49:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:49:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:49:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:49:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:49:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:49:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:49:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:49:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:49:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:49:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:49:42,190 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:49:42,388 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:42,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:42,856 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:42,878 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:42,881 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:49:42,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:42 BoogieIcfgContainer [2023-11-11 23:49:42,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:42,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:42,890 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:42,904 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:42,904 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:42" (1/1) ... [2023-11-11 23:49:42,906 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) [2023-11-11 23:49:42,916 INFO L158 Benchmark]: Toolchain (without parser) took 1313.65ms. Allocated memory is still 102.8MB. Free memory was 80.5MB in the beginning and 75.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-11 23:49:42,917 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:42,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.07ms. Allocated memory is still 102.8MB. Free memory was 80.2MB in the beginning and 68.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:49:42,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.61ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:42,921 INFO L158 Benchmark]: Boogie Preprocessor took 72.69ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 65.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:42,923 INFO L158 Benchmark]: RCFGBuilder took 824.53ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 76.3MB in the end (delta: -11.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:42,924 INFO L158 Benchmark]: CodeCheck took 25.19ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 75.4MB in the end (delta: 898.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:42,938 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 0.26ms. Allocated memory is still 71.3MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.07ms. Allocated memory is still 102.8MB. Free memory was 80.2MB in the beginning and 68.8MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.61ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 67.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.69ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 65.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 824.53ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 76.3MB in the end (delta: -11.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * CodeCheck took 25.19ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 75.4MB in the end (delta: 898.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:49:42,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b82e57-8aae-476e-9945-0cc3483ca147/bin/ukojak-verify-0OAaufAVZV/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