./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.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_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/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_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/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_53af96db-8a90-4352-8a30-4f6d57937687/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 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:30:59,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:30:59,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:30:59,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:30:59,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:30:59,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:30:59,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:30:59,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:30:59,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:30:59,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:30:59,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:30:59,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:30:59,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:30:59,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:30:59,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:30:59,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:30:59,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:30:59,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:30:59,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:30:59,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:30:59,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:30:59,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:30:59,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:30:59,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:30:59,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:30:59,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:30:59,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:30:59,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:30:59,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:30:59,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:30:59,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:30:59,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:30:59,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:30:59,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:30:59,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:30:59,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:30:59,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:30:59,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:30:59,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:30:59,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:30:59,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:30:59,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:30:59,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:30:59,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:30:59,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:30:59,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:30:59,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:30:59,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:30:59,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:30:59,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:30:59,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:30:59,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:30:59,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:30:59,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:30:59,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:30:59,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:30:59,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:30:59,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:30:59,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:30:59,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:30:59,327 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:30:59,327 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:30:59,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:30:59,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:59,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:30:59,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:30:59,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:30:59,329 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:30:59,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:30:59,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:30:59,330 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_53af96db-8a90-4352-8a30-4f6d57937687/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2021-11-23 01:30:59,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:30:59,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:30:59,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:30:59,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:30:59,658 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:30:59,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-11-23 01:30:59,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data/a5ce9e3ec/8c305e5fe6af464da7febd230b203f4b/FLAG33f591859 [2021-11-23 01:31:00,305 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:31:00,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-11-23 01:31:00,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data/a5ce9e3ec/8c305e5fe6af464da7febd230b203f4b/FLAG33f591859 [2021-11-23 01:31:00,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data/a5ce9e3ec/8c305e5fe6af464da7febd230b203f4b [2021-11-23 01:31:00,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:31:00,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:31:00,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:00,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:31:00,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:31:00,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:00,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6d21b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00, skipping insertion in model container [2021-11-23 01:31:00,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:00,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:31:00,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:31:00,880 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_53af96db-8a90-4352-8a30-4f6d57937687/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 01:31:00,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:00,898 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:31:00,920 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_53af96db-8a90-4352-8a30-4f6d57937687/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 01:31:00,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:00,939 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:31:00,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00 WrapperNode [2021-11-23 01:31:00,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:00,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:00,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:31:00,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:31:00,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:00,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:00,981 INFO L137 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-11-23 01:31:00,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:00,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:31:00,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:31:00,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:31:00,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:00,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:00,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:00,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:01,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:01,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:01,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:01,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:31:01,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:31:01,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:31:01,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:31:01,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:00" (1/1) ... [2021-11-23 01:31:01,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:31:01,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:31:01,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:31:01,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:31:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:31:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:31:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:31:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:31:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:31:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:31:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:31:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:31:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:31:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:31:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:31:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:31:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:31:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 01:31:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 01:31:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:31:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:31:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:31:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:31:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:31:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:31:01,094 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 01:31:01,180 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:31:01,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:31:01,511 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:31:01,656 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:31:01,658 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:31:01,660 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2021-11-23 01:31:01,665 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 01:31:01,669 INFO L158 Benchmark]: Toolchain (without parser) took 1040.97ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 81.8MB in the end (delta: -35.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 01:31:01,670 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:31:01,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.46ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 57.8MB in the end (delta: -12.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:31:01,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.92ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:31:01,672 INFO L158 Benchmark]: Boogie Preprocessor took 32.97ms. Allocated memory is still 88.1MB. Free memory was 56.0MB in the beginning and 54.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:31:01,674 INFO L158 Benchmark]: RCFGBuilder took 651.56ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 54.6MB in the beginning and 81.8MB in the end (delta: -27.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-11-23 01:31:01,677 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 88.1MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.46ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 57.8MB in the end (delta: -12.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.92ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.97ms. Allocated memory is still 88.1MB. Free memory was 56.0MB in the beginning and 54.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 651.56ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 54.6MB in the beginning and 81.8MB in the end (delta: -27.2MB). Peak memory consumption was 25.7MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:31:01,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/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_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/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_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/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_53af96db-8a90-4352-8a30-4f6d57937687/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 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:31:04,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:31:04,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:31:04,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:31:04,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:31:04,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:31:04,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:31:04,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:31:04,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:31:04,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:31:04,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:31:04,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:31:04,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:31:04,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:31:04,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:31:04,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:31:04,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:31:04,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:31:04,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:31:04,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:31:04,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:31:04,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:31:04,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:31:04,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:31:04,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:31:04,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:31:04,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:31:04,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:31:04,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:31:04,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:31:04,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:31:04,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:31:04,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:31:04,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:31:04,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:31:04,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:31:04,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:31:04,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:31:04,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:31:04,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:31:04,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:31:04,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:31:04,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:31:04,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:31:04,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:31:04,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:31:04,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:31:04,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:31:04,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:31:04,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:31:04,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:31:04,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:31:04,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:31:04,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:31:04,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:31:04,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:31:04,486 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:31:04,486 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:31:04,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:31:04,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:31:04,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:31:04,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:31:04,487 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:31:04,487 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:31:04,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:31:04,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:31:04,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:31:04,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:31:04,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:31:04,489 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:31:04,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:31:04,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:31:04,490 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:31:04,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:31:04,491 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_53af96db-8a90-4352-8a30-4f6d57937687/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2021-11-23 01:31:04,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:31:04,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:31:04,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:31:04,951 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:31:04,951 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:31:04,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-11-23 01:31:05,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data/ea05f28ed/5f2e3b0c7677480d8228c54ce3a78536/FLAG20d6e4479 [2021-11-23 01:31:05,670 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:31:05,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-11-23 01:31:05,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data/ea05f28ed/5f2e3b0c7677480d8228c54ce3a78536/FLAG20d6e4479 [2021-11-23 01:31:06,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/data/ea05f28ed/5f2e3b0c7677480d8228c54ce3a78536 [2021-11-23 01:31:06,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:31:06,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:31:06,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:06,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:31:06,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:31:06,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d743155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06, skipping insertion in model container [2021-11-23 01:31:06,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:31:06,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:31:06,239 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_53af96db-8a90-4352-8a30-4f6d57937687/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 01:31:06,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:06,282 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:31:06,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:31:06,342 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_53af96db-8a90-4352-8a30-4f6d57937687/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 01:31:06,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:06,365 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:31:06,406 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_53af96db-8a90-4352-8a30-4f6d57937687/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 01:31:06,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:06,443 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:31:06,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06 WrapperNode [2021-11-23 01:31:06,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:06,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:06,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:31:06,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:31:06,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,492 INFO L137 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2021-11-23 01:31:06,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:06,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:31:06,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:31:06,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:31:06,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:31:06,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:31:06,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:31:06,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:31:06,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:06" (1/1) ... [2021-11-23 01:31:06,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:31:06,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:31:06,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:31:06,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:31:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:31:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:31:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:31:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:31:06,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:31:06,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:31:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:31:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:31:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:31:06,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:31:06,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:31:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:31:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 01:31:06,652 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 01:31:06,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:31:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:31:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:31:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:31:06,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:31:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:31:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:31:06,655 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 01:31:06,770 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:31:06,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:31:07,220 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:31:07,401 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:31:07,404 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:31:07,410 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2021-11-23 01:31:07,410 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 01:31:07,418 INFO L158 Benchmark]: Toolchain (without parser) took 1405.00ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 36.4MB in the beginning and 54.0MB in the end (delta: -17.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-23 01:31:07,419 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:31:07,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.47ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 58.6MB in the end (delta: -22.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:31:07,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.20ms. Allocated memory is still 77.6MB. Free memory was 58.4MB in the beginning and 56.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:31:07,423 INFO L158 Benchmark]: Boogie Preprocessor took 63.76ms. Allocated memory is still 77.6MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:31:07,424 INFO L158 Benchmark]: RCFGBuilder took 857.25ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 54.0MB in the end (delta: 1.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 01:31:07,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.47ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 58.6MB in the end (delta: -22.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.20ms. Allocated memory is still 77.6MB. Free memory was 58.4MB in the beginning and 56.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.76ms. Allocated memory is still 77.6MB. Free memory was 56.7MB in the beginning and 55.2MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 857.25ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 54.0MB in the end (delta: 1.2MB). Peak memory consumption was 18.7MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:31:07,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53af96db-8a90-4352-8a30-4f6d57937687/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?