./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/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_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/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_30603546-999a-4094-951c-13d2cf061e13/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 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 --- 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 23:15:11,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:15:11,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:15:11,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:15:11,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:15:11,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:15:11,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:15:11,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:15:11,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:15:11,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:15:11,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:15:11,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:15:11,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:15:11,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:15:11,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:15:11,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:15:11,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:15:11,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:15:11,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:15:11,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:15:11,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:15:11,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:15:11,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:15:11,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:15:11,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:15:11,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:15:11,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:15:11,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:15:11,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:15:11,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:15:11,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:15:11,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:15:11,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:15:11,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:15:11,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:15:11,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:15:11,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:15:11,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:15:11,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:15:11,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:15:11,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:15:11,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:15:11,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:15:11,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:15:11,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:15:11,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:15:11,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:15:11,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:15:11,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:15:11,998 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:15:11,998 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:15:11,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:15:11,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:15:11,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:15:11,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:15:11,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:15:11,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:15:12,000 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:15:12,000 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:15:12,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:15:12,000 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:15:12,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:15:12,001 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:15:12,001 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:15:12,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:15:12,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:15:12,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:15:12,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:15:12,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:15:12,002 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:15:12,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:15:12,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:15:12,003 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_30603546-999a-4094-951c-13d2cf061e13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 [2022-12-14 23:15:12,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:15:12,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:15:12,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:15:12,221 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:15:12,222 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:15:12,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2022-12-14 23:15:14,813 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:15:14,932 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:15:14,932 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2022-12-14 23:15:14,937 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/data/5c728f231/5abd23268f3a4ce18854515cd0aada9b/FLAG670a387d1 [2022-12-14 23:15:14,947 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/data/5c728f231/5abd23268f3a4ce18854515cd0aada9b [2022-12-14 23:15:14,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:15:14,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:15:14,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:15:14,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:15:14,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:15:14,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:15:14" (1/1) ... [2022-12-14 23:15:14,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1593a7d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:14, skipping insertion in model container [2022-12-14 23:15:14,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:15:14" (1/1) ... [2022-12-14 23:15:14,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:15:14,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:15:15,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:15,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:15,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:15,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:15,104 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_30603546-999a-4094-951c-13d2cf061e13/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-12-14 23:15:15,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:15:15,117 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:15:15,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:15,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:15,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:15,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:15,132 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_30603546-999a-4094-951c-13d2cf061e13/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-12-14 23:15:15,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:15:15,146 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:15:15,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15 WrapperNode [2022-12-14 23:15:15,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:15:15,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:15:15,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:15:15,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:15:15,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,179 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 151 [2022-12-14 23:15:15,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:15:15,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:15:15,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:15:15,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:15:15,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,201 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:15:15,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:15:15,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:15:15,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:15:15,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:15" (1/1) ... [2022-12-14 23:15:15,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:15:15,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:15:15,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:15:15,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:15:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:15:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:15:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:15:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:15:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:15:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:15:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:15:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:15:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:15:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:15:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:15:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:15:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:15:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:15:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:15:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:15:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:15:15,265 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 23:15:15,336 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:15:15,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:15:15,598 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:15:15,749 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:15:15,749 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 23:15:15,750 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L104-6 is neither atomic block end nor a sink node. [2022-12-14 23:15:15,751 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 23:15:15,755 INFO L158 Benchmark]: Toolchain (without parser) took 804.33ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 81.8MB in the beginning and 100.4MB in the end (delta: -18.6MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-12-14 23:15:15,755 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:15:15,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.42ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 69.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 23:15:15,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.50ms. Allocated memory is still 121.6MB. Free memory was 69.7MB in the beginning and 67.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:15:15,757 INFO L158 Benchmark]: Boogie Preprocessor took 22.90ms. Allocated memory is still 121.6MB. Free memory was 67.5MB in the beginning and 66.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:15:15,758 INFO L158 Benchmark]: RCFGBuilder took 549.34ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 100.4MB in the end (delta: -34.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-12-14 23:15:15,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.42ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 69.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.50ms. Allocated memory is still 121.6MB. Free memory was 69.7MB in the beginning and 67.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.90ms. Allocated memory is still 121.6MB. Free memory was 67.5MB in the beginning and 66.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.34ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 100.4MB in the end (delta: -34.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:15:15,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/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_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/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_30603546-999a-4094-951c-13d2cf061e13/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 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 --- 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 23:15:17,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:15:17,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:15:17,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:15:17,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:15:17,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:15:17,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:15:17,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:15:17,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:15:17,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:15:17,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:15:17,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:15:17,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:15:17,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:15:17,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:15:17,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:15:17,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:15:17,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:15:17,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:15:17,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:15:17,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:15:17,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:15:17,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:15:17,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:15:17,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:15:17,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:15:17,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:15:17,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:15:17,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:15:17,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:15:17,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:15:17,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:15:17,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:15:17,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:15:17,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:15:17,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:15:17,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:15:17,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:15:17,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:15:17,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:15:17,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:15:17,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 23:15:17,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:15:17,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:15:17,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:15:17,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:15:17,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:15:17,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:15:17,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:15:17,569 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:15:17,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:15:17,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:15:17,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:15:17,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:15:17,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:15:17,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:15:17,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:15:17,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:15:17,570 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:15:17,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:15:17,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:15:17,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:15:17,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:15:17,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:15:17,571 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:15:17,571 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:15:17,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:15:17,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:15:17,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:15:17,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:15:17,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:15:17,572 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:15:17,573 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:15:17,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:15:17,573 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:15:17,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:15:17,573 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_30603546-999a-4094-951c-13d2cf061e13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 [2022-12-14 23:15:17,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:15:17,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:15:17,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:15:17,835 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:15:17,835 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:15:17,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2022-12-14 23:15:20,477 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:15:20,642 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:15:20,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2022-12-14 23:15:20,648 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/data/fdf9caa12/1b2d749d1e6444aea2ceaeb00338f281/FLAG316b535b3 [2022-12-14 23:15:20,659 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/data/fdf9caa12/1b2d749d1e6444aea2ceaeb00338f281 [2022-12-14 23:15:20,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:15:20,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:15:20,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:15:20,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:15:20,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:15:20,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:20,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667203e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20, skipping insertion in model container [2022-12-14 23:15:20,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:20,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:15:20,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:15:20,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:20,832 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:20,837 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:20,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:20,844 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_30603546-999a-4094-951c-13d2cf061e13/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-12-14 23:15:20,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:15:20,869 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 23:15:20,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:15:20,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:20,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:20,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:20,883 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:20,886 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_30603546-999a-4094-951c-13d2cf061e13/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-12-14 23:15:20,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:15:20,898 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:15:20,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:20,913 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:20,914 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:15:20,915 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:15:20,918 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_30603546-999a-4094-951c-13d2cf061e13/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-12-14 23:15:20,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:15:20,941 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:15:20,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20 WrapperNode [2022-12-14 23:15:20,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:15:20,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:15:20,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:15:20,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:15:20,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:20,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:20,991 INFO L138 Inliner]: procedures = 28, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2022-12-14 23:15:20,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:15:20,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:15:20,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:15:20,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:15:21,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:15:21,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:15:21,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:15:21,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:15:21,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:20" (1/1) ... [2022-12-14 23:15:21,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:15:21,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:15:21,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:15:21,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:15:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:15:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:15:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:15:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:15:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:15:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:15:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:15:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:15:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:15:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:15:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:15:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:15:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:15:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:15:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:15:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:15:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:15:21,084 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 23:15:21,171 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:15:21,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:15:21,472 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:15:21,586 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:15:21,586 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 23:15:21,587 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L104-6 is neither atomic block end nor a sink node. [2022-12-14 23:15:21,587 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 23:15:21,591 INFO L158 Benchmark]: Toolchain (without parser) took 928.39ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 45.7MB in the end (delta: 4.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-12-14 23:15:21,592 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:15:21,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.82ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 35.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 23:15:21,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.64ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 51.2MB in the end (delta: -16.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-12-14 23:15:21,594 INFO L158 Benchmark]: Boogie Preprocessor took 30.35ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 49.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:15:21,594 INFO L158 Benchmark]: RCFGBuilder took 566.84ms. Allocated memory is still 71.3MB. Free memory was 49.4MB in the beginning and 45.7MB in the end (delta: 3.7MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-12-14 23:15:21,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.82ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 35.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.64ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 51.2MB in the end (delta: -16.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.35ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 49.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.84ms. Allocated memory is still 71.3MB. Free memory was 49.4MB in the beginning and 45.7MB in the end (delta: 3.7MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:15:21,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30603546-999a-4094-951c-13d2cf061e13/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?