./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/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_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/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_77bf300a-272b-48d8-9c77-73cbd50ca28f/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 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:49,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:49,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:41:49,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:49,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:49,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:49,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:49,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:49,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:49,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:49,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:49,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:49,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:49,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:49,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:49,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:49,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:49,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:49,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:49,414 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:49,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:49,415 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:49,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:49,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:49,417 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:49,418 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:49,418 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:49,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:49,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:49,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:49,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:49,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:49,421 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:49,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:49,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:49,422 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_77bf300a-272b-48d8-9c77-73cbd50ca28f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2023-11-19 03:41:49,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:49,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:49,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:49,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:49,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:49,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-19 03:41:52,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:53,129 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:53,129 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-19 03:41:53,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/data/78f69dddb/e59594b61d3749ef824bc1aaff16cc28/FLAG71bcf7cae [2023-11-19 03:41:53,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/data/78f69dddb/e59594b61d3749ef824bc1aaff16cc28 [2023-11-19 03:41:53,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:53,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:53,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:53,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:53,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:53,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbdf081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53, skipping insertion in model container [2023-11-19 03:41:53,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:53,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:53,364 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:53,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:53,394 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:53,395 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:53,402 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:53,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53 WrapperNode [2023-11-19 03:41:53,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:53,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:53,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:53,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:53,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,437 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-11-19 03:41:53,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:53,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:53,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:53,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:53,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,459 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:53,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:53,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:53,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:53,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:53,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:53,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:53,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:41:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:41:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:41:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:41:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:41:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:41:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:41:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:41:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:41:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:41:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:53,540 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 03:41:53,637 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:53,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:53,839 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:53,909 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:53,910 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:41:53,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:53 BoogieIcfgContainer [2023-11-19 03:41:53,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:53,914 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:53,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:53,924 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:53,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:53" (1/1) ... [2023-11-19 03:41:53,925 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 03:41:53,930 INFO L158 Benchmark]: Toolchain (without parser) took 773.22ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 88.7MB in the beginning and 128.0MB in the end (delta: -39.2MB). Peak memory consumption was 499.4kB. Max. memory is 16.1GB. [2023-11-19 03:41:53,930 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:53,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.33ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 77.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:41:53,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.63ms. Allocated memory is still 127.9MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:53,932 INFO L158 Benchmark]: Boogie Preprocessor took 26.84ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:53,933 INFO L158 Benchmark]: RCFGBuilder took 448.05ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 74.6MB in the beginning and 129.1MB in the end (delta: -54.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-19 03:41:53,934 INFO L158 Benchmark]: CodeCheck took 13.37ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 128.2MB in the end (delta: 929.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:53,937 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 0.21ms. Allocated memory is still 127.9MB. Free memory was 76.2MB in the beginning and 76.1MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.33ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 77.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.63ms. Allocated memory is still 127.9MB. Free memory was 77.5MB in the beginning and 76.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.84ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.05ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 74.6MB in the beginning and 129.1MB in the end (delta: -54.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * CodeCheck took 13.37ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 128.2MB in the end (delta: 929.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:41:53,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/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_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/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_77bf300a-272b-48d8-9c77-73cbd50ca28f/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 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:56,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:56,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:41:56,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:56,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:56,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:56,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:56,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:56,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:56,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:56,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:56,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:56,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:56,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:56,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:56,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:56,657 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:41:56,658 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:41:56,658 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:56,658 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:41:56,659 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:56,659 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:56,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:56,660 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:56,661 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:56,661 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:56,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:56,662 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:56,662 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:56,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:56,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:56,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:56,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:56,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:56,665 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:41:56,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:56,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:56,666 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:41:56,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:56,667 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_77bf300a-272b-48d8-9c77-73cbd50ca28f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2023-11-19 03:41:57,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:57,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:57,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:57,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:57,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:57,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-19 03:42:00,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:42:00,586 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:42:00,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2023-11-19 03:42:00,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/data/3017063df/ba377c3e4d954589b28630ec42137c30/FLAG803dfe4be [2023-11-19 03:42:00,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/data/3017063df/ba377c3e4d954589b28630ec42137c30 [2023-11-19 03:42:00,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:42:00,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:42:00,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:00,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:42:00,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:42:00,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fe17a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00, skipping insertion in model container [2023-11-19 03:42:00,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:42:00,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:00,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:42:00,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:00,967 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:42:00,970 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:42:00,977 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:42:00,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00 WrapperNode [2023-11-19 03:42:00,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:00,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:00,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:42:00,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:42:00,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,036 INFO L138 Inliner]: procedures = 23, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-11-19 03:42:01,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:01,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:42:01,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:42:01,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:42:01,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:42:01,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:42:01,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:42:01,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:42:01,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:01,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:42:01,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:42:01,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:42:01,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:42:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:42:01,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:42:01,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:42:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:42:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:42:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:42:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:42:01,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:42:01,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:42:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:42:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:42:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:42:01,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:42:01,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:42:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:42:01,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:42:01,176 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 03:42:01,323 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:42:01,326 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:42:01,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:42:01,592 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:42:01,593 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:42:01,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:01 BoogieIcfgContainer [2023-11-19 03:42:01,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:42:01,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:42:01,598 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:42:01,608 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:42:01,608 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:01" (1/1) ... [2023-11-19 03:42:01,609 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 03:42:01,613 INFO L158 Benchmark]: Toolchain (without parser) took 985.11ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 47.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-11-19 03:42:01,614 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:42:01,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.27ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 46.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:42:01,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.64ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 44.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:42:01,616 INFO L158 Benchmark]: Boogie Preprocessor took 54.41ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 43.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:42:01,617 INFO L158 Benchmark]: RCFGBuilder took 503.69ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 48.6MB in the end (delta: -5.4MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-11-19 03:42:01,617 INFO L158 Benchmark]: CodeCheck took 13.90ms. Allocated memory is still 81.8MB. Free memory was 48.6MB in the beginning and 47.7MB in the end (delta: 898.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:42:01,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.27ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 46.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.64ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 44.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.41ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 43.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.69ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 48.6MB in the end (delta: -5.4MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * CodeCheck took 13.90ms. Allocated memory is still 81.8MB. Free memory was 48.6MB in the beginning and 47.7MB in the end (delta: 898.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:42:01,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf300a-272b-48d8-9c77-73cbd50ca28f/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