./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:53,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:54,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:54,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:54,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:54,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:54,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:54,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:54,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:54,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:54,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:54,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:54,128 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:54,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:54,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:54,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:54,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:54,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:54,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:54,132 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:54,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:54,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:54,134 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:54,136 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:54,137 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:54,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:54,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:54,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:54,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:54,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:54,140 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:54,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:54,141 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:54,141 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_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-11-24 22:16:54,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:54,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:54,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:54,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:54,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:54,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-24 22:16:57,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:57,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:57,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-24 22:16:57,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/data/440729529/c99a1c5b61694e569f5243662ff25cc6/FLAG097a80f50 [2023-11-24 22:16:57,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/data/440729529/c99a1c5b61694e569f5243662ff25cc6 [2023-11-24 22:16:57,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:57,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:57,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:57,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:57,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:57,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6084a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:57, skipping insertion in model container [2023-11-24 22:16:57,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:57" (1/1) ... [2023-11-24 22:16:57,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:58,208 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2173,2186] [2023-11-24 22:16:58,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:58,228 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:58,266 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2173,2186] [2023-11-24 22:16:58,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:58,284 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:58,284 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:58,295 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:58,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58 WrapperNode [2023-11-24 22:16:58,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:58,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:58,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:58,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:58,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,342 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-11-24 22:16:58,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:58,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:58,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:58,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:58,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:58,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:58,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:58,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:58,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:58,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:58,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:58,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:16:58,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:16:58,471 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:16:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:16:58,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:16:58,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:16:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:58,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:16:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:16:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:58,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:58,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:58,476 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:16:58,575 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:58,577 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:58,751 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:58,817 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:58,830 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:16:58,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:58 BoogieIcfgContainer [2023-11-24 22:16:58,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:58,833 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:58,833 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:58,841 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:58,842 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:58" (1/1) ... [2023-11-24 22:16:58,843 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:16:58,847 INFO L158 Benchmark]: Toolchain (without parser) took 937.58ms. Allocated memory is still 153.1MB. Free memory was 106.2MB in the beginning and 75.8MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:16:58,848 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 153.1MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:58,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.35ms. Allocated memory is still 153.1MB. Free memory was 105.9MB in the beginning and 94.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:16:58,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.35ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:58,850 INFO L158 Benchmark]: Boogie Preprocessor took 47.28ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 91.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:58,851 INFO L158 Benchmark]: RCFGBuilder took 440.53ms. Allocated memory is still 153.1MB. Free memory was 91.5MB in the beginning and 76.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:58,852 INFO L158 Benchmark]: CodeCheck took 12.88ms. Allocated memory is still 153.1MB. Free memory was 76.8MB in the beginning and 75.8MB in the end (delta: 957.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:58,858 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 0.35ms. Allocated memory is still 153.1MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.35ms. Allocated memory is still 153.1MB. Free memory was 105.9MB in the beginning and 94.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.35ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.28ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 91.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.53ms. Allocated memory is still 153.1MB. Free memory was 91.5MB in the beginning and 76.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 12.88ms. Allocated memory is still 153.1MB. Free memory was 76.8MB in the beginning and 75.8MB in the end (delta: 957.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:16:58,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:01,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:01,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:17:01,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:01,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:01,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:01,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:01,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:01,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:01,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:01,802 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:01,803 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:01,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:01,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:01,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:01,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:01,806 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:17:01,807 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:17:01,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:17:01,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:01,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:01,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:01,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:01,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:01,811 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:01,812 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:01,812 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:17:01,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:01,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:01,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:01,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:01,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:01,815 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:17:01,816 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:01,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:01,817 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:17:01,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:17:01,817 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_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-11-24 22:17:02,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:02,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:02,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:02,331 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:02,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:02,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-24 22:17:05,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:05,949 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:05,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-24 22:17:05,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/data/98885b920/ed2775d0d4914b8bb0e2989b0d5518aa/FLAGe457747cc [2023-11-24 22:17:05,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/data/98885b920/ed2775d0d4914b8bb0e2989b0d5518aa [2023-11-24 22:17:05,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:05,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:05,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:05,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:06,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:06,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:06,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9d9eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06, skipping insertion in model container [2023-11-24 22:17:06,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:05" (1/1) ... [2023-11-24 22:17:06,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:06,272 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2173,2186] [2023-11-24 22:17:06,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:06,296 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:06,334 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2173,2186] [2023-11-24 22:17:06,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:06,355 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:06,355 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:06,365 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:06,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06 WrapperNode [2023-11-24 22:17:06,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:06,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:06,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:06,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:06,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,419 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-11-24 22:17:06,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:06,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:06,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:06,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:06,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:06,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:06,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:06,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:06,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:06" (1/1) ... [2023-11-24 22:17:06,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:06,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:06,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:06,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:17:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:17:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:17:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:17:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:17:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:17:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:17:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:17:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:17:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:17:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:17:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:06,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:17:06,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:17:06,626 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:17:06,774 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:06,777 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:07,093 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:07,179 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:07,180 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:17:07,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:07 BoogieIcfgContainer [2023-11-24 22:17:07,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:07,184 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:07,184 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:07,195 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:07,195 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:07" (1/1) ... [2023-11-24 22:17:07,196 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:17:07,203 INFO L158 Benchmark]: Toolchain (without parser) took 1213.35ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 52.5MB in the end (delta: -5.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-24 22:17:07,205 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:07,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.21ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 35.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:17:07,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.88ms. Allocated memory is still 71.3MB. Free memory was 35.6MB in the beginning and 34.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:07,208 INFO L158 Benchmark]: Boogie Preprocessor took 77.85ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 34.0MB in the beginning and 69.2MB in the end (delta: -35.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-24 22:17:07,210 INFO L158 Benchmark]: RCFGBuilder took 682.80ms. Allocated memory is still 90.2MB. Free memory was 69.2MB in the beginning and 53.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:17:07,211 INFO L158 Benchmark]: CodeCheck took 17.34ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 52.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:07,220 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 0.36ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.21ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 35.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.88ms. Allocated memory is still 71.3MB. Free memory was 35.6MB in the beginning and 34.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.85ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 34.0MB in the beginning and 69.2MB in the end (delta: -35.2MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 682.80ms. Allocated memory is still 90.2MB. Free memory was 69.2MB in the beginning and 53.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.34ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 52.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:17:07,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6449e71-2597-4560-b9b3-8f3d5bc85e1f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported