./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ --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 cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:28,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:28,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:28,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:28,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:28,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:28,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:28,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:28,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:28,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:28,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:28,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:28,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:28,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:28,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:28,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:28,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:28,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:28,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:28,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:28,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:28,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:28,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:28,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:28,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:28,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:28,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:28,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:28,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:28,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:28,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:28,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:28,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:28,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:28,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:28,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:28,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:28,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:28,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:28,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:28,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:28,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:03:28,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:28,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:28,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:28,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:28,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:28,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:28,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:28,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:28,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:28,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:28,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:28,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:28,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:28,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:28,263 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:28,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:28,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:28,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:28,264 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:28,264 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:28,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:28,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:28,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:28,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:28,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:28,265 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:28,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:28,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:28,266 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_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a [2021-11-23 01:03:28,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:28,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:28,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:28,605 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:28,606 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:28,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2021-11-23 01:03:28,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data/5276ff2cc/f013ef0546f946ab9c1a27c3283b1842/FLAG12dcf4d7e [2021-11-23 01:03:29,165 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:29,166 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2021-11-23 01:03:29,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data/5276ff2cc/f013ef0546f946ab9c1a27c3283b1842/FLAG12dcf4d7e [2021-11-23 01:03:29,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data/5276ff2cc/f013ef0546f946ab9c1a27c3283b1842 [2021-11-23 01:03:29,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:29,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:29,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:29,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:29,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:29,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:29,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d73371a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29, skipping insertion in model container [2021-11-23 01:03:29,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:29,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:29,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:29,830 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_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2021-11-23 01:03:29,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:29,869 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:29,922 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_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2021-11-23 01:03:29,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:29,947 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:29,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29 WrapperNode [2021-11-23 01:03:29,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:29,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:29,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:29,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:29,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:29,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,010 INFO L137 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2021-11-23 01:03:30,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:30,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:30,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:30,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:30,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:30,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:30,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:30,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:30,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:29" (1/1) ... [2021-11-23 01:03:30,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:30,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:30,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:30,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:03:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:03:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:03:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:03:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:03:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:03:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:03:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:03:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:03:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:03:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:03:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:03:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:03:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:03:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:03:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:30,148 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:03:30,237 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:30,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:30,541 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:30,627 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:30,627 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:03:30,628 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2021-11-23 01:03:30,629 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:304) 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) [2021-11-23 01:03:30,633 INFO L158 Benchmark]: Toolchain (without parser) took 1079.94ms. Allocated memory is still 104.9MB. Free memory was 69.6MB in the beginning and 56.5MB in the end (delta: 13.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-23 01:03:30,634 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 78.8MB in the beginning and 78.8MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:30,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.88ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 77.8MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:03:30,636 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.16ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 76.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:30,637 INFO L158 Benchmark]: Boogie Preprocessor took 43.87ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 74.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:30,638 INFO L158 Benchmark]: RCFGBuilder took 575.94ms. Allocated memory is still 104.9MB. Free memory was 74.2MB in the beginning and 56.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:03:30,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 78.8MB in the beginning and 78.8MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.88ms. Allocated memory is still 104.9MB. Free memory was 69.3MB in the beginning and 77.8MB in the end (delta: -8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.16ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 76.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.87ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 74.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.94ms. Allocated memory is still 104.9MB. Free memory was 74.2MB in the beginning and 56.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:03:30,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ --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 cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:33,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:33,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:33,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:33,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:33,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:33,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:33,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:33,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:33,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:33,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:33,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:33,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:33,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:33,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:33,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:33,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:33,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:33,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:33,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:33,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:33,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:33,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:33,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:33,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:33,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:33,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:33,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:33,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:33,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:33,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:33,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:33,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:33,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:33,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:33,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:33,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:33,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:33,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:33,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:33,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:33,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:03:33,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:33,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:33,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:33,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:33,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:33,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:33,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:33,288 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:33,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:33,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:33,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:33,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:33,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:33,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:03:33,290 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:03:33,290 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:03:33,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:33,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:33,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:33,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:33,292 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:33,292 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:33,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:33,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:33,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:33,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:33,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:33,293 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:03:33,294 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:03:33,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:33,294 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:03:33,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:03:33,295 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_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a [2021-11-23 01:03:33,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:33,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:33,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:33,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:33,714 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:33,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2021-11-23 01:03:33,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data/d5f40d0ac/4ef4f31a88d54186bf344fc5788bf0ab/FLAG12b4b13fd [2021-11-23 01:03:34,380 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:34,381 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2021-11-23 01:03:34,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data/d5f40d0ac/4ef4f31a88d54186bf344fc5788bf0ab/FLAG12b4b13fd [2021-11-23 01:03:34,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/data/d5f40d0ac/4ef4f31a88d54186bf344fc5788bf0ab [2021-11-23 01:03:34,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:34,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:34,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:34,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:34,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:34,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:34" (1/1) ... [2021-11-23 01:03:34,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9dc950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:34, skipping insertion in model container [2021-11-23 01:03:34,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:34" (1/1) ... [2021-11-23 01:03:34,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:34,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:34,922 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_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2021-11-23 01:03:34,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:34,951 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:03:34,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:34,974 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_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2021-11-23 01:03:34,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:34,991 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:35,022 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_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2021-11-23 01:03:35,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:35,043 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:35,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35 WrapperNode [2021-11-23 01:03:35,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:35,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:35,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:35,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:35,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,089 INFO L137 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2021-11-23 01:03:35,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:35,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:35,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:35,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:35,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:35,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:35,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:35,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:35,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:35" (1/1) ... [2021-11-23 01:03:35,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:35,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:35,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:35,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:03:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:03:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:03:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:03:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:03:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:03:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:03:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:03:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:03:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:03:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:03:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:03:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:03:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:03:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:35,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:03:35,252 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:03:35,389 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:35,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:35,762 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:35,879 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:35,879 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:03:35,880 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2021-11-23 01:03:35,880 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:304) 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) [2021-11-23 01:03:35,885 INFO L158 Benchmark]: Toolchain (without parser) took 1180.03ms. Allocated memory is still 71.3MB. Free memory was 52.8MB in the beginning and 47.7MB in the end (delta: 5.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2021-11-23 01:03:35,885 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:35,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.49ms. Allocated memory is still 71.3MB. Free memory was 52.5MB in the beginning and 51.2MB in the end (delta: 1.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:03:35,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.42ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 49.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:35,888 INFO L158 Benchmark]: Boogie Preprocessor took 59.47ms. Allocated memory is still 71.3MB. Free memory was 49.5MB in the beginning and 47.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:35,889 INFO L158 Benchmark]: RCFGBuilder took 732.57ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 22.9kB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-23 01:03:35,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.49ms. Allocated memory is still 71.3MB. Free memory was 52.5MB in the beginning and 51.2MB in the end (delta: 1.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.42ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 49.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.47ms. Allocated memory is still 71.3MB. Free memory was 49.5MB in the beginning and 47.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 732.57ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 22.9kB). Peak memory consumption was 21.2MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:03:35,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d291eb-d67c-48d5-9b52-8c7a8cdf84e9/bin/ukojak-LBtLqBUTdQ/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?