./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd523f7f98069bc15a8892c75be26f15a858863c31fc6ea863dcd5f92e46c458 --- 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-dbf71c6-m [2022-10-17 16:38:55,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:55,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:55,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:55,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:55,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:55,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:55,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:55,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:55,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:55,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:55,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:55,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:55,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:55,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:55,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:55,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:55,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:55,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:55,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:55,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:55,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:55,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:55,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:55,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:55,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:55,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:55,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:55,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:55,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:55,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:55,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:55,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:55,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:55,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:55,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:55,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:55,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:55,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:55,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:55,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:55,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:38:55,422 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:55,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:55,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:38:55,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:38:55,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:55,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:55,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:55,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:55,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:55,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:55,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:55,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:38:55,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:55,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:38:55,427 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:55,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:38:55,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:55,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:38:55,428 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:55,428 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:55,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:55,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:55,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:55,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:55,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:38:55,429 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:55,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:55,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:38:55,430 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_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd523f7f98069bc15a8892c75be26f15a858863c31fc6ea863dcd5f92e46c458 [2022-10-17 16:38:55,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:55,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:55,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:55,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:55,716 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:55,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2022-10-17 16:38:55,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data/e670958fc/4c8aea2fb0894572bb93e2e5e4ede484/FLAG5ab9fbf56 [2022-10-17 16:38:56,231 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:56,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2022-10-17 16:38:56,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data/e670958fc/4c8aea2fb0894572bb93e2e5e4ede484/FLAG5ab9fbf56 [2022-10-17 16:38:56,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data/e670958fc/4c8aea2fb0894572bb93e2e5e4ede484 [2022-10-17 16:38:56,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:56,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:56,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:56,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:56,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:56,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:56" (1/1) ... [2022-10-17 16:38:56,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce4e2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:56, skipping insertion in model container [2022-10-17 16:38:56,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:56" (1/1) ... [2022-10-17 16:38:56,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:56,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:56,990 WARN L230 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_39e470f2-3fb6-4223-869e-f6dee5c600fb/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2022-10-17 16:38:56,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:57,003 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:57,036 WARN L230 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_39e470f2-3fb6-4223-869e-f6dee5c600fb/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2022-10-17 16:38:57,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:57,057 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:57,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57 WrapperNode [2022-10-17 16:38:57,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:57,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:57,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:57,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:57,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,103 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-10-17 16:38:57,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:57,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:57,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:57,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:57,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,127 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:57,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:57,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:57,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:57,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:57" (1/1) ... [2022-10-17 16:38:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:57,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:57,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:57,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:38:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:38:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:38:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:38:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:38:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:38:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:38:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:38:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:38:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:38:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:38:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:38:57,223 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:38:57,324 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:57,325 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:57,569 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:57,624 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:57,624 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:38:57,625 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:38:57,626 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) [2022-10-17 16:38:57,630 INFO L158 Benchmark]: Toolchain (without parser) took 965.05ms. Allocated memory is still 109.1MB. Free memory was 78.5MB in the beginning and 65.8MB in the end (delta: 12.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-10-17 16:38:57,631 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:57,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.65ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 83.2MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:38:57,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.48ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 81.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:38:57,633 INFO L158 Benchmark]: Boogie Preprocessor took 26.91ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:38:57,634 INFO L158 Benchmark]: RCFGBuilder took 496.62ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 65.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:38:57,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.65ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 83.2MB in the end (delta: -5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.48ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 81.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.91ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.62ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 65.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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. [2022-10-17 16:38:57,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd523f7f98069bc15a8892c75be26f15a858863c31fc6ea863dcd5f92e46c458 --- 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-dbf71c6-m [2022-10-17 16:39:00,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:00,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:00,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:00,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:00,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:00,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:00,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:00,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:00,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:00,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:00,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:00,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:00,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:00,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:00,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:00,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:00,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:00,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:00,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:00,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:00,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:00,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:00,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:00,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:00,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:00,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:00,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:00,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:00,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:00,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:00,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:00,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:00,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:00,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:00,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:00,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:00,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:00,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:00,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:00,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:00,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:39:00,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:00,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:00,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:00,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:00,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:00,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:00,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:00,230 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:00,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:00,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:00,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:00,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:00,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:00,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:39:00,232 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:39:00,232 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:39:00,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:00,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:00,233 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:00,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:00,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:00,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:00,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:00,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:00,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:00,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:00,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:00,235 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:39:00,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:39:00,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:00,236 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:39:00,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:39:00,237 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_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd523f7f98069bc15a8892c75be26f15a858863c31fc6ea863dcd5f92e46c458 [2022-10-17 16:39:00,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:00,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:00,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:00,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:00,665 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:00,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2022-10-17 16:39:00,748 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data/138042927/1de0e73af088408fbcfca9ffbbbf1817/FLAGd7a5463ee [2022-10-17 16:39:01,250 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:01,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2022-10-17 16:39:01,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data/138042927/1de0e73af088408fbcfca9ffbbbf1817/FLAGd7a5463ee [2022-10-17 16:39:01,603 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/data/138042927/1de0e73af088408fbcfca9ffbbbf1817 [2022-10-17 16:39:01,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:01,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:01,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:01,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:01,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:01,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4696939b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01, skipping insertion in model container [2022-10-17 16:39:01,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:01,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:01,833 WARN L230 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_39e470f2-3fb6-4223-869e-f6dee5c600fb/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2022-10-17 16:39:01,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:01,848 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:01,926 WARN L230 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_39e470f2-3fb6-4223-869e-f6dee5c600fb/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c[2087,2100] [2022-10-17 16:39:01,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:01,943 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:01,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01 WrapperNode [2022-10-17 16:39:01,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:01,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:01,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:01,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:01,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,979 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-10-17 16:39:01,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:01,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:01,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:01,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:01,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:01,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:02,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:02,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:02,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:02,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:01" (1/1) ... [2022-10-17 16:39:02,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:02,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:02,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:02,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:39:02,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:39:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:39:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:39:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:39:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:39:02,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:39:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:39:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:39:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:39:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:02,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:39:02,099 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:39:02,266 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:02,268 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:02,556 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:02,609 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:02,615 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:39:02,617 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:39:02,618 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) [2022-10-17 16:39:02,624 INFO L158 Benchmark]: Toolchain (without parser) took 1015.65ms. Allocated memory is still 58.7MB. Free memory was 35.6MB in the beginning and 37.0MB in the end (delta: -1.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-10-17 16:39:02,625 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:39:02,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.23ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 40.9MB in the end (delta: -5.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:39:02,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 39.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:02,630 INFO L158 Benchmark]: Boogie Preprocessor took 30.52ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 37.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:02,630 INFO L158 Benchmark]: RCFGBuilder took 610.23ms. Allocated memory is still 58.7MB. Free memory was 37.9MB in the beginning and 37.0MB in the end (delta: 905.9kB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-10-17 16:39:02,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.23ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 40.9MB in the end (delta: -5.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.52ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 39.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.52ms. Allocated memory is still 58.7MB. Free memory was 39.3MB in the beginning and 37.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.23ms. Allocated memory is still 58.7MB. Free memory was 37.9MB in the beginning and 37.0MB in the end (delta: 905.9kB). Peak memory consumption was 14.1MB. 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. [2022-10-17 16:39:02,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39e470f2-3fb6-4223-869e-f6dee5c600fb/bin/ukojak-92XMlrwhuB/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?