./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/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_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/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_ad358c33-02e8-4a82-8200-116c13b869fa/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 a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:19,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:19,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:24:19,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:24:19,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:24:19,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:19,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:19,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:19,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:19,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:19,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:19,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:19,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:24:19,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:24:19,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:24:19,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:19,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:19,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:19,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:19,615 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:24:19,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:19,616 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:24:19,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:19,617 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:19,618 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:19,618 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:19,619 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:19,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:19,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:19,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:19,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:19,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:19,624 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:24:19,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:24:19,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:19,625 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_ad358c33-02e8-4a82-8200-116c13b869fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb [2023-11-19 03:24:19,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:20,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:20,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:20,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:20,019 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:20,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2023-11-19 03:24:23,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:23,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:23,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2023-11-19 03:24:23,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/data/e3f4d5d05/3042b76c0fc54b128e13633c6a19251c/FLAGba009d772 [2023-11-19 03:24:23,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/data/e3f4d5d05/3042b76c0fc54b128e13633c6a19251c [2023-11-19 03:24:23,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:23,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:23,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:23,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:23,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:23,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:23,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498e4182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23, skipping insertion in model container [2023-11-19 03:24:23,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:23,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:23,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:23,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:23,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:23,946 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:23,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23 WrapperNode [2023-11-19 03:24:23,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:23,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:23,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:23,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:23,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:23,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:23,990 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-19 03:24:23,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:23,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:23,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:23,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:24,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:24,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:24,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:24,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:24,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:23" (1/1) ... [2023-11-19 03:24:24,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:24,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:24,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:24,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 03:24:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 03:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:24:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:24:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:24:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:24:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:24:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:24:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:24:24,139 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:24:24,252 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:24,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:24,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:24,542 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:24,542 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:24:24,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:24 BoogieIcfgContainer [2023-11-19 03:24:24,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:24,554 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:24,554 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:24,565 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:24,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:24" (1/1) ... [2023-11-19 03:24:24,566 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:24:24,576 INFO L158 Benchmark]: Toolchain (without parser) took 927.88ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 68.7MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,577 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:24,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.21ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 89.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.99ms. Allocated memory is still 144.7MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,579 INFO L158 Benchmark]: Boogie Preprocessor took 41.45ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 86.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,579 INFO L158 Benchmark]: RCFGBuilder took 513.14ms. Allocated memory is still 144.7MB. Free memory was 86.1MB in the beginning and 69.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:24:24,580 INFO L158 Benchmark]: CodeCheck took 20.60ms. Allocated memory is still 144.7MB. Free memory was 69.3MB in the beginning and 68.7MB in the end (delta: 626.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:24,583 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 0.29ms. Allocated memory is still 109.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.21ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 89.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.99ms. Allocated memory is still 144.7MB. Free memory was 89.0MB in the beginning and 87.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.45ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 86.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.14ms. Allocated memory is still 144.7MB. Free memory was 86.1MB in the beginning and 69.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 20.60ms. Allocated memory is still 144.7MB. Free memory was 69.3MB in the beginning and 68.7MB in the end (delta: 626.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:24:24,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/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_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/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_ad358c33-02e8-4a82-8200-116c13b869fa/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 a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:27,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:27,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:24:27,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:27,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:27,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:27,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:27,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:27,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:27,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:27,594 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:24:27,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:24:27,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:27,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:27,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:27,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:27,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:24:27,601 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:24:27,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:24:27,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:24:27,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:27,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:24:27,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:27,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:27,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:27,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:27,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:27,608 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:27,609 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:24:27,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:27,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:27,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:27,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:27,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:27,613 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:24:27,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:24:27,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:27,614 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:24:27,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:24:27,616 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_ad358c33-02e8-4a82-8200-116c13b869fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb [2023-11-19 03:24:28,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:28,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:28,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:28,143 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:28,143 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:28,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2023-11-19 03:24:31,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:31,648 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:31,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2023-11-19 03:24:31,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/data/0165147ef/c9658edf1e33449f9e80d96225379a93/FLAGe3e3354ea [2023-11-19 03:24:31,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/data/0165147ef/c9658edf1e33449f9e80d96225379a93 [2023-11-19 03:24:31,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:31,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:31,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:31,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:31,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:31,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:31" (1/1) ... [2023-11-19 03:24:31,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233fedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:31, skipping insertion in model container [2023-11-19 03:24:31,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:31" (1/1) ... [2023-11-19 03:24:31,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:31,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:31,968 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:31,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:32,011 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:32,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32 WrapperNode [2023-11-19 03:24:32,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:32,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:32,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:32,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:32,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,051 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-19 03:24:32,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:32,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:32,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:32,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:32,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:32,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:32,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:32,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:32,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:32,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:32,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:32,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-19 03:24:32,225 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-19 03:24:32,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:24:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:24:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:24:32,226 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:24:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:24:32,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:24:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:24:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:24:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:24:32,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:32,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:24:32,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:24:32,229 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:24:32,341 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:32,344 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:32,728 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:32,740 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:32,740 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:24:32,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:32 BoogieIcfgContainer [2023-11-19 03:24:32,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:32,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:32,747 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:32,757 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:32,758 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:32" (1/1) ... [2023-11-19 03:24:32,758 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:24:32,763 INFO L158 Benchmark]: Toolchain (without parser) took 1069.00ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.8MB in the beginning and 50.8MB in the end (delta: -3.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-19 03:24:32,764 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:32,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.57ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 35.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:24:32,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.89ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 34.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:32,766 INFO L158 Benchmark]: Boogie Preprocessor took 86.78ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 34.2MB in the beginning and 68.9MB in the end (delta: -34.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-19 03:24:32,767 INFO L158 Benchmark]: RCFGBuilder took 605.96ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 51.8MB in the end (delta: 17.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:24:32,768 INFO L158 Benchmark]: CodeCheck took 14.91ms. Allocated memory is still 90.2MB. Free memory was 51.8MB in the beginning and 50.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:32,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.57ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 35.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.89ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 34.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.78ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 34.2MB in the beginning and 68.9MB in the end (delta: -34.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * RCFGBuilder took 605.96ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 51.8MB in the end (delta: 17.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14.91ms. Allocated memory is still 90.2MB. Free memory was 51.8MB in the beginning and 50.8MB in the end (delta: 1.0MB). 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 03:24:32,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad358c33-02e8-4a82-8200-116c13b869fa/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