./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4 --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 c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f --- 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-2329fc7 [2022-12-14 23:48:23,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:48:23,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:48:23,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:48:23,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:48:23,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:48:23,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:48:23,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:48:23,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:48:23,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:48:23,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:48:23,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:48:23,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:48:23,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:48:23,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:48:23,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:48:23,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:48:23,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:48:23,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:48:23,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:48:23,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:48:23,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:48:23,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:48:23,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:48:23,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:48:23,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:48:23,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:48:23,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:48:23,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:48:23,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:48:23,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:48:23,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:48:23,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:48:23,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:48:23,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:48:23,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:48:23,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:48:23,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:48:23,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:48:23,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:48:23,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:48:23,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:48:23,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:48:23,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:48:23,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:48:23,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:48:23,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:48:23,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:48:23,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:48:23,078 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:48:23,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:48:23,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:48:23,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:48:23,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:48:23,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:48:23,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:48:23,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:48:23,079 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:48:23,079 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:48:23,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:48:23,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:48:23,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:48:23,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:48:23,080 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:48:23,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:48:23,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:48:23,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:48:23,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:48:23,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:48:23,081 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:48:23,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:48:23,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:48:23,081 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_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f [2022-12-14 23:48:23,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:48:23,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:48:23,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:48:23,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:48:23,274 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:48:23,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2022-12-14 23:48:25,784 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:48:25,940 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:48:25,941 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2022-12-14 23:48:25,945 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/data/fc30c05f9/dd53c849f7034a0abeca1e4e1f123643/FLAGff73b89f5 [2022-12-14 23:48:26,361 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/data/fc30c05f9/dd53c849f7034a0abeca1e4e1f123643 [2022-12-14 23:48:26,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:48:26,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:48:26,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:48:26,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:48:26,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:48:26,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524f17ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26, skipping insertion in model container [2022-12-14 23:48:26,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:48:26,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:48:26,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:48:26,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:48:26,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:48:26,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:48:26,519 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_14e1da9e-d01b-441d-91a1-f15b4c2fec87/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2022-12-14 23:48:26,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:48:26,527 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:48:26,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:48:26,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:48:26,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:48:26,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:48:26,544 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_14e1da9e-d01b-441d-91a1-f15b4c2fec87/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2022-12-14 23:48:26,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:48:26,555 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:48:26,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26 WrapperNode [2022-12-14 23:48:26,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:48:26,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:48:26,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:48:26,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:48:26,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,584 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-12-14 23:48:26,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:48:26,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:48:26,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:48:26,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:48:26,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:48:26,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:48:26,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:48:26,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:48:26,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:48:26,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:48:26,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:48:26,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:48:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:48:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:48:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:48:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:48:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:48:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:48:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:48:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:48:26,665 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:48:26,737 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:48:26,739 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:48:26,887 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:48:26,970 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:48:26,970 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 23:48:26,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:48:26 BoogieIcfgContainer [2022-12-14 23:48:26,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:48:26,974 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:48:26,974 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:48:26,984 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:48:26,984 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:48:26" (1/1) ... [2022-12-14 23:48:26,985 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) [2022-12-14 23:48:26,989 INFO L158 Benchmark]: Toolchain (without parser) took 623.50ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 54.9MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 23:48:26,990 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory was 90.5MB in the beginning and 90.5MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:48:26,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.72ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 76.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 23:48:26,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.14ms. Allocated memory is still 123.7MB. Free memory was 76.4MB in the beginning and 74.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:48:26,991 INFO L158 Benchmark]: Boogie Preprocessor took 21.89ms. Allocated memory is still 123.7MB. Free memory was 74.8MB in the beginning and 73.8MB in the end (delta: 987.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:48:26,992 INFO L158 Benchmark]: RCFGBuilder took 365.22ms. Allocated memory is still 123.7MB. Free memory was 73.8MB in the beginning and 55.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:48:26,993 INFO L158 Benchmark]: CodeCheck took 13.87ms. Allocated memory is still 123.7MB. Free memory was 55.9MB in the beginning and 54.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:48:26,996 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 0.14ms. Allocated memory is still 123.7MB. Free memory was 90.5MB in the beginning and 90.5MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.72ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 76.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.14ms. Allocated memory is still 123.7MB. Free memory was 76.4MB in the beginning and 74.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.89ms. Allocated memory is still 123.7MB. Free memory was 74.8MB in the beginning and 73.8MB in the end (delta: 987.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.22ms. Allocated memory is still 123.7MB. Free memory was 73.8MB in the beginning and 55.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13.87ms. Allocated memory is still 123.7MB. Free memory was 55.9MB in the beginning and 54.9MB 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. [2022-12-14 23:48:27,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/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_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4 --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 c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f --- 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-2329fc7 [2022-12-14 23:48:28,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:48:28,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:48:28,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:48:28,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:48:28,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:48:28,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:48:28,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:48:28,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:48:28,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:48:28,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:48:28,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:48:28,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:48:28,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:48:28,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:48:28,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:48:28,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:48:28,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:48:28,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:48:28,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:48:28,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:48:28,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:48:28,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:48:28,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:48:28,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:48:28,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:48:28,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:48:28,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:48:28,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:48:28,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:48:28,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:48:28,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:48:28,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:48:28,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:48:28,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:48:28,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:48:28,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:48:28,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:48:28,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:48:28,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:48:28,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:48:28,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 23:48:28,697 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:48:28,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:48:28,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:48:28,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:48:28,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:48:28,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:48:28,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:48:28,699 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:48:28,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:48:28,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:48:28,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:48:28,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:48:28,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:48:28,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:48:28,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:48:28,700 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:48:28,700 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:48:28,700 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:48:28,700 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:48:28,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:48:28,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:48:28,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:48:28,700 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:48:28,701 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:48:28,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:48:28,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:48:28,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:48:28,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:48:28,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:48:28,701 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:48:28,702 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:48:28,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:48:28,702 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:48:28,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:48:28,702 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_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f [2022-12-14 23:48:28,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:48:28,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:48:28,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:48:28,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:48:28,922 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:48:28,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2022-12-14 23:48:31,526 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:48:31,646 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:48:31,647 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2022-12-14 23:48:31,652 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/data/911d286ca/8c40f3a1c16247c0930002149d32223d/FLAGcb697ddbf [2022-12-14 23:48:31,666 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/data/911d286ca/8c40f3a1c16247c0930002149d32223d [2022-12-14 23:48:31,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:48:31,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:48:31,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:48:31,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:48:31,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:48:31,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62aad99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31, skipping insertion in model container [2022-12-14 23:48:31,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:48:31,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:48:31,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:48:31,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:48:31,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:48:31,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:48:31,853 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_14e1da9e-d01b-441d-91a1-f15b4c2fec87/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2022-12-14 23:48:31,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:48:31,865 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:48:31,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:48:31,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:48:31,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:48:31,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:48:31,885 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_14e1da9e-d01b-441d-91a1-f15b4c2fec87/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2022-12-14 23:48:31,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:48:31,906 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:48:31,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31 WrapperNode [2022-12-14 23:48:31,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:48:31,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:48:31,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:48:31,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:48:31,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,939 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-12-14 23:48:31,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:48:31,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:48:31,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:48:31,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:48:31,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:48:31,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:48:31,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:48:31,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:48:31,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:48:31" (1/1) ... [2022-12-14 23:48:31,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:48:31,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:48:31,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:48:31,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:48:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:48:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:48:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:48:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:48:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:48:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:48:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:48:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:48:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:48:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:48:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:48:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:48:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:48:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:48:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:48:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:48:32,032 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:48:32,109 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:48:32,111 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:48:32,276 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:48:32,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:48:32,374 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 23:48:32,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:48:32 BoogieIcfgContainer [2022-12-14 23:48:32,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:48:32,377 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:48:32,377 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:48:32,387 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:48:32,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:48:32" (1/1) ... [2022-12-14 23:48:32,388 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) [2022-12-14 23:48:32,391 INFO L158 Benchmark]: Toolchain (without parser) took 720.67ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 58.3MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:48:32,392 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:48:32,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.16ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 61.7MB in the end (delta: -9.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-14 23:48:32,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.61ms. Allocated memory is still 81.8MB. Free memory was 61.7MB in the beginning and 60.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:48:32,394 INFO L158 Benchmark]: Boogie Preprocessor took 25.88ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 58.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:48:32,394 INFO L158 Benchmark]: RCFGBuilder took 409.62ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 59.3MB in the end (delta: -601.9kB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-12-14 23:48:32,395 INFO L158 Benchmark]: CodeCheck took 12.92ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 58.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:48:32,398 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 0.10ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.16ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 61.7MB in the end (delta: -9.8MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.61ms. Allocated memory is still 81.8MB. Free memory was 61.7MB in the beginning and 60.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.88ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 58.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.62ms. Allocated memory is still 81.8MB. Free memory was 58.7MB in the beginning and 59.3MB in the end (delta: -601.9kB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * CodeCheck took 12.92ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 58.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:48:32,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14e1da9e-d01b-441d-91a1-f15b4c2fec87/bin/ukojak-rkRKPMF4O4/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