./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --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 dfec19cb420bdcc992ee0af7789c6701a360457d4b79eebd70c54f4e314fbf3f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:37:16,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:37:16,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:37:16,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:37:16,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:37:16,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:37:16,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:37:16,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:37:16,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:37:16,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:37:16,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:37:16,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:37:16,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:37:16,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:37:16,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:37:16,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:37:16,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:37:16,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:37:16,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:37:16,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:37:16,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:37:16,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:37:16,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:37:16,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:37:16,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:37:16,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:37:16,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:37:16,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:37:16,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:37:16,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:37:16,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:37:16,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:37:16,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:37:16,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:37:16,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:37:16,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:37:16,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:37:16,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:37:16,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:37:16,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:37:16,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:37:16,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:37:16,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:37:16,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:37:16,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:37:16,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:37:16,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:37:16,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:37:16,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:37:16,346 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:37:16,346 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:37:16,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:37:16,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:37:16,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:37:16,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:37:16,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:37:16,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:37:16,347 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:37:16,348 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:37:16,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:37:16,348 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:37:16,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:37:16,348 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:37:16,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:37:16,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:37:16,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:37:16,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:37:16,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:37:16,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:37:16,350 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:37:16,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:37:16,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:37:16,350 INFO L138 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_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfec19cb420bdcc992ee0af7789c6701a360457d4b79eebd70c54f4e314fbf3f [2022-11-21 22:37:16,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:37:16,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:37:16,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:37:16,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:37:16,698 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:37:16,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2022-11-21 22:37:19,633 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:37:19,889 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:37:19,890 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2022-11-21 22:37:19,898 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/data/00a91ded8/03d5570a24a942048be808e71430c40d/FLAG3ee1f6914 [2022-11-21 22:37:19,915 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/data/00a91ded8/03d5570a24a942048be808e71430c40d [2022-11-21 22:37:19,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:37:19,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:37:19,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:37:19,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:37:19,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:37:19,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:37:19" (1/1) ... [2022-11-21 22:37:19,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af0bc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:19, skipping insertion in model container [2022-11-21 22:37:19,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:37:19" (1/1) ... [2022-11-21 22:37:19,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:37:19,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:37:20,193 WARN L237 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_d6d2af3e-9d89-462a-a62e-dac7794ffda4/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2022-11-21 22:37:20,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:37:20,203 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:37:20,222 WARN L237 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_d6d2af3e-9d89-462a-a62e-dac7794ffda4/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2022-11-21 22:37:20,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:37:20,237 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:37:20,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20 WrapperNode [2022-11-21 22:37:20,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:37:20,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:37:20,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:37:20,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:37:20,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,279 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-11-21 22:37:20,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:37:20,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:37:20,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:37:20,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:37:20,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:37:20,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:37:20,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:37:20,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:37:20,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:37:20,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:37:20,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:37:20,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:37:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:37:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 22:37:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 22:37:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 22:37:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 22:37:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:37:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:37:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:37:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:37:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:37:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 22:37:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 22:37:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:37:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:37:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:37:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:37:20,386 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:37:20,479 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:37:20,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:37:20,655 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:37:20,846 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:37:20,846 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:37:20,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:20 BoogieIcfgContainer [2022-11-21 22:37:20,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:37:20,866 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:37:20,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:37:20,877 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:37:20,877 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:20" (1/1) ... [2022-11-21 22:37:20,878 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-21 22:37:20,882 INFO L158 Benchmark]: Toolchain (without parser) took 958.74ms. Allocated memory is still 165.7MB. Free memory was 133.5MB in the beginning and 105.0MB in the end (delta: 28.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-11-21 22:37:20,883 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory was 97.0MB in the beginning and 96.9MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:37:20,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.36ms. Allocated memory is still 165.7MB. Free memory was 133.5MB in the beginning and 128.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:37:20,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.11ms. Allocated memory is still 165.7MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:37:20,885 INFO L158 Benchmark]: Boogie Preprocessor took 25.36ms. Allocated memory is still 165.7MB. Free memory was 125.9MB in the beginning and 124.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:37:20,886 INFO L158 Benchmark]: RCFGBuilder took 558.26ms. Allocated memory is still 165.7MB. Free memory was 124.8MB in the beginning and 105.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:37:20,887 INFO L158 Benchmark]: CodeCheck took 15.15ms. Allocated memory is still 165.7MB. Free memory was 105.9MB in the beginning and 105.0MB in the end (delta: 922.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:37:20,901 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory was 97.0MB in the beginning and 96.9MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.36ms. Allocated memory is still 165.7MB. Free memory was 133.5MB in the beginning and 128.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.11ms. Allocated memory is still 165.7MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.36ms. Allocated memory is still 165.7MB. Free memory was 125.9MB in the beginning and 124.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.26ms. Allocated memory is still 165.7MB. Free memory was 124.8MB in the beginning and 105.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15.15ms. Allocated memory is still 165.7MB. Free memory was 105.9MB in the beginning and 105.0MB in the end (delta: 922.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:37:20,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --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 dfec19cb420bdcc992ee0af7789c6701a360457d4b79eebd70c54f4e314fbf3f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:37:23,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:37:23,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:37:23,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:37:23,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:37:23,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:37:23,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:37:23,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:37:23,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:37:23,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:37:23,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:37:23,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:37:23,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:37:23,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:37:23,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:37:23,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:37:23,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:37:23,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:37:23,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:37:23,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:37:23,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:37:23,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:37:23,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:37:23,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:37:23,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:37:23,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:37:23,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:37:23,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:37:23,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:37:23,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:37:23,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:37:23,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:37:23,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:37:23,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:37:23,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:37:23,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:37:23,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:37:23,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:37:23,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:37:23,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:37:23,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:37:23,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:37:23,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:37:23,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:37:23,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:37:23,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:37:23,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:37:23,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:37:23,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:37:23,522 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:37:23,522 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:37:23,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:37:23,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:37:23,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:37:23,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:37:23,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:37:23,524 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:37:23,525 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:37:23,525 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:37:23,525 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:37:23,525 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:37:23,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:37:23,526 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:37:23,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:37:23,527 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:37:23,527 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:37:23,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:37:23,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:37:23,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:37:23,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:37:23,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:37:23,529 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:37:23,529 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:37:23,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:37:23,530 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:37:23,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:37:23,530 INFO L138 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_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfec19cb420bdcc992ee0af7789c6701a360457d4b79eebd70c54f4e314fbf3f [2022-11-21 22:37:23,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:37:23,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:37:23,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:37:23,961 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:37:23,963 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:37:23,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2022-11-21 22:37:27,083 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:37:27,270 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:37:27,271 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2022-11-21 22:37:27,278 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/data/ce8d058c8/540fa5026f154f70a61d356da3616780/FLAGa9eaadaf4 [2022-11-21 22:37:27,291 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/data/ce8d058c8/540fa5026f154f70a61d356da3616780 [2022-11-21 22:37:27,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:37:27,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:37:27,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:37:27,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:37:27,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:37:27,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9db9be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27, skipping insertion in model container [2022-11-21 22:37:27,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:37:27,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:37:27,512 WARN L237 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_d6d2af3e-9d89-462a-a62e-dac7794ffda4/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2022-11-21 22:37:27,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:37:27,525 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:37:27,548 WARN L237 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_d6d2af3e-9d89-462a-a62e-dac7794ffda4/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2022-11-21 22:37:27,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:37:27,564 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:37:27,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27 WrapperNode [2022-11-21 22:37:27,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:37:27,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:37:27,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:37:27,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:37:27,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,614 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-11-21 22:37:27,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:37:27,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:37:27,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:37:27,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:37:27,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:37:27,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:37:27,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:37:27,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:37:27,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:27" (1/1) ... [2022-11-21 22:37:27,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:37:27,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:37:27,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:37:27,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:37:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:37:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 22:37:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 22:37:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 22:37:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 22:37:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:37:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:37:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:37:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:37:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 22:37:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 22:37:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:37:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:37:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:37:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:37:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:37:27,780 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:37:27,959 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:37:27,961 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:37:28,255 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:37:28,372 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:37:28,373 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:37:28,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:28 BoogieIcfgContainer [2022-11-21 22:37:28,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:37:28,376 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:37:28,376 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:37:28,401 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:37:28,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,402 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-21 22:37:28,406 INFO L158 Benchmark]: Toolchain (without parser) took 1111.03ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 36.3MB in the beginning and 75.2MB in the end (delta: -39.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-11-21 22:37:28,407 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:37:28,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.65ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 36.1MB in the beginning and 74.0MB in the end (delta: -37.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-21 22:37:28,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.88ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:37:28,409 INFO L158 Benchmark]: Boogie Preprocessor took 62.04ms. Allocated memory is still 96.5MB. Free memory was 71.9MB in the beginning and 70.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:37:28,410 INFO L158 Benchmark]: RCFGBuilder took 697.35ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 49.2MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 22:37:28,411 INFO L158 Benchmark]: CodeCheck took 28.36ms. Allocated memory is still 96.5MB. Free memory was 49.2MB in the beginning and 75.2MB in the end (delta: -26.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:37:28,420 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.65ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 36.1MB in the beginning and 74.0MB in the end (delta: -37.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.88ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.04ms. Allocated memory is still 96.5MB. Free memory was 71.9MB in the beginning and 70.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 697.35ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 49.2MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 28.36ms. Allocated memory is still 96.5MB. Free memory was 49.2MB in the beginning and 75.2MB in the end (delta: -26.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:37:28,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d2af3e-9d89-462a-a62e-dac7794ffda4/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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