./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/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_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu --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 0.2.2-dev-6a47aea [2021-11-23 15:49:34,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:34,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:34,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:34,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:34,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:34,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:34,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:34,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:34,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:34,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:34,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:34,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:34,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:34,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:34,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:34,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:34,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:34,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:34,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:34,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:34,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:34,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:34,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:34,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:34,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:34,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:34,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:34,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:34,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:34,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:34,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:34,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:34,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:34,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:34,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:34,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:34,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:34,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:34,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:34,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:34,503 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:49:34,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:34,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:34,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:34,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:34,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:34,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:34,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:34,529 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:34,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:49:34,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:34,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:34,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:34,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:34,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:34,531 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:34,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:34,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:34,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:34,531 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:34,531 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:34,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:34,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:34,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:34,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:34,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:34,533 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:49:34,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:49:34,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:34,533 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_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2021-11-23 15:49:34,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:34,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:34,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:34,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:34,833 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:34,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-11-23 15:49:34,910 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data/a1d477230/f6b2e4268a47492a921d3e938e49280a/FLAG185f93063 [2021-11-23 15:49:35,350 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:35,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-11-23 15:49:35,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data/a1d477230/f6b2e4268a47492a921d3e938e49280a/FLAG185f93063 [2021-11-23 15:49:35,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data/a1d477230/f6b2e4268a47492a921d3e938e49280a [2021-11-23 15:49:35,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:35,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:35,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:35,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:35,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:35,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:35" (1/1) ... [2021-11-23 15:49:35,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30713aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:35, skipping insertion in model container [2021-11-23 15:49:35,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:35" (1/1) ... [2021-11-23 15:49:35,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:35,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:36,037 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_53ad6ee9-677b-4716-9d6f-4392763b7e77/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 15:49:36,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:36,073 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:36,127 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_53ad6ee9-677b-4716-9d6f-4392763b7e77/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 15:49:36,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:36,154 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:36,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36 WrapperNode [2021-11-23 15:49:36,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:36,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:36,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:36,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:36,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,218 INFO L137 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-11-23 15:49:36,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:36,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:36,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:36,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:36,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:36,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:36,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:36,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:36,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:36" (1/1) ... [2021-11-23 15:49:36,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:36,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:36,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:36,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:49:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:49:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:49:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:49:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:49:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:49:36,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:49:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:49:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:49:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:49:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:49:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:49:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:49:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:49:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:49:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:49:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:49:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:49:36,389 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 15:49:36,496 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:36,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:36,831 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:36,895 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:49:36,900 INFO L158 Benchmark]: Toolchain (without parser) took 1158.26ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 52.0MB in the end (delta: 7.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 15:49:36,901 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:36,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.94ms. Allocated memory is still 98.6MB. Free memory was 59.6MB in the beginning and 73.3MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:49:36,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.04ms. Allocated memory is still 98.6MB. Free memory was 73.3MB in the beginning and 71.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:36,903 INFO L158 Benchmark]: Boogie Preprocessor took 55.21ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 70.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:36,904 INFO L158 Benchmark]: RCFGBuilder took 622.20ms. Allocated memory is still 98.6MB. Free memory was 70.0MB in the beginning and 52.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:49:36,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 76.6MB in the beginning and 76.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.94ms. Allocated memory is still 98.6MB. Free memory was 59.6MB in the beginning and 73.3MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.04ms. Allocated memory is still 98.6MB. Free memory was 73.3MB in the beginning and 71.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.21ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 70.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 622.20ms. Allocated memory is still 98.6MB. Free memory was 70.0MB in the beginning and 52.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:49:36,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/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_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu --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 0.2.2-dev-6a47aea [2021-11-23 15:49:39,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:39,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:39,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:39,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:39,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:39,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:39,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:39,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:39,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:39,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:39,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:39,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:39,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:39,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:39,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:39,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:39,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:39,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:39,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:39,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:39,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:39,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:39,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:39,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:39,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:39,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:39,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:39,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:39,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:39,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:39,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:39,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:39,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:39,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:39,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:39,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:39,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:39,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:39,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:39,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:39,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:49:39,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:39,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:39,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:39,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:39,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:39,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:39,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:39,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:39,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:39,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:39,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:39,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:39,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:39,683 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:49:39,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:49:39,684 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:49:39,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:39,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:39,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:39,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:39,685 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:39,685 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:39,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:39,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:39,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:39,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:39,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:39,687 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:49:39,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:49:39,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:39,687 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:49:39,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:49:39,688 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_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2021-11-23 15:49:40,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:40,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:40,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:40,149 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:40,149 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:40,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-11-23 15:49:40,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data/5bcceed70/51a02e53bab24496b5723531c8203a98/FLAGbcf352f4a [2021-11-23 15:49:40,766 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:40,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2021-11-23 15:49:40,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data/5bcceed70/51a02e53bab24496b5723531c8203a98/FLAGbcf352f4a [2021-11-23 15:49:41,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/data/5bcceed70/51a02e53bab24496b5723531c8203a98 [2021-11-23 15:49:41,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:41,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:41,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:41,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:41,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:41,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29066290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41, skipping insertion in model container [2021-11-23 15:49:41,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:41,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:41,419 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_53ad6ee9-677b-4716-9d6f-4392763b7e77/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 15:49:41,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:41,483 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:49:41,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:41,522 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_53ad6ee9-677b-4716-9d6f-4392763b7e77/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 15:49:41,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:41,547 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:41,569 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_53ad6ee9-677b-4716-9d6f-4392763b7e77/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2021-11-23 15:49:41,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:41,590 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:41,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41 WrapperNode [2021-11-23 15:49:41,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:41,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:41,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:41,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:41,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,631 INFO L137 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2021-11-23 15:49:41,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:41,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:41,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:41,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:41,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:41,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:41,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:41,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:41,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:41" (1/1) ... [2021-11-23 15:49:41,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:41,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:41,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:41,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:49:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:49:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:49:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:49:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:49:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:49:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:49:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:49:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:49:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:49:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:49:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:49:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:49:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:49:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:49:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:49:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:49:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:49:41,765 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 15:49:41,916 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:41,918 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:42,296 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:42,402 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:49:42,406 INFO L158 Benchmark]: Toolchain (without parser) took 1287.08ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 36.4MB in the beginning and 47.5MB in the end (delta: -11.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,407 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:42,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.92ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 38.6MB in the end (delta: -2.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.39ms. Allocated memory is still 58.7MB. Free memory was 38.4MB in the beginning and 36.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:42,410 INFO L158 Benchmark]: Boogie Preprocessor took 36.53ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 35.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,415 INFO L158 Benchmark]: RCFGBuilder took 734.55ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.1MB in the beginning and 47.5MB in the end (delta: -12.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-11-23 15:49:42,418 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 58.7MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.92ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 38.6MB in the end (delta: -2.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.39ms. Allocated memory is still 58.7MB. Free memory was 38.4MB in the beginning and 36.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.53ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 35.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.55ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.1MB in the beginning and 47.5MB in the end (delta: -12.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:49:42,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53ad6ee9-677b-4716-9d6f-4392763b7e77/bin/ukojak-CwSLpZB5Qu/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: Set is immutable