./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.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_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/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_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/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_518e95f4-41ef-4a85-97e9-68e80012ff52/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 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:46,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:46,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:46,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:46,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:46,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:46,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:46,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:46,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:46,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:46,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:46,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:46,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:46,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:46,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:46,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:46,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:46,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:46,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:46,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:46,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:46,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:46,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:46,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:46,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:46,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:46,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:46,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:46,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:46,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:46,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:46,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:46,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:46,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:46,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:46,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:46,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:46,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:46,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:46,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:46,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:46,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:46,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:46,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:46,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:46,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:46,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:46,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:46,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:46,764 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:46,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:46,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:46,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:46,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:46,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:46,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:46,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:46,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:46,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:46,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:46,774 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:46,774 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:46,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:46,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:46,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:46,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:46,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:46,775 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:46,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:46,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:46,776 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_518e95f4-41ef-4a85-97e9-68e80012ff52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2021-11-23 15:50:47,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:47,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:47,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:47,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:47,079 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:47,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2021-11-23 15:50:47,169 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data/10a6db455/40e6438a930b48fca5580ea3fb52eb51/FLAG5efe2e4bd [2021-11-23 15:50:47,606 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:47,607 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2021-11-23 15:50:47,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data/10a6db455/40e6438a930b48fca5580ea3fb52eb51/FLAG5efe2e4bd [2021-11-23 15:50:47,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data/10a6db455/40e6438a930b48fca5580ea3fb52eb51 [2021-11-23 15:50:47,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:47,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:47,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:47,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:47,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:47,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e31c151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47, skipping insertion in model container [2021-11-23 15:50:47,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:47,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:47,961 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_518e95f4-41ef-4a85-97e9-68e80012ff52/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2021-11-23 15:50:47,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:47,993 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:48,050 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_518e95f4-41ef-4a85-97e9-68e80012ff52/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2021-11-23 15:50:48,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:48,080 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:48,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48 WrapperNode [2021-11-23 15:50:48,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:48,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:48,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:48,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:48,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,156 INFO L137 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2021-11-23 15:50:48,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:48,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:48,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:48,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:48,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:48,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:48,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:48,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:48,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:48" (1/1) ... [2021-11-23 15:50:48,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:48,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:48,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:48,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:50:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:50:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:50:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:50:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:50:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:50:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:50:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:50:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:50:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:50:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:50:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:50:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:50:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:50:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:50:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:50:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:50:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:50:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:50:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:48,319 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 15:50:48,430 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:48,444 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:48,770 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:48,853 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 15:50:48,857 INFO L158 Benchmark]: Toolchain (without parser) took 1222.82ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 71.6MB in the beginning and 75.1MB in the end (delta: -3.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-11-23 15:50:48,857 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:48,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.44ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 71.4MB in the beginning and 100.8MB in the end (delta: -29.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:48,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.16ms. Allocated memory is still 130.0MB. Free memory was 100.8MB in the beginning and 99.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:48,860 INFO L158 Benchmark]: Boogie Preprocessor took 66.68ms. Allocated memory is still 130.0MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:48,861 INFO L158 Benchmark]: RCFGBuilder took 629.96ms. Allocated memory is still 130.0MB. Free memory was 97.1MB in the beginning and 75.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:48,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.44ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 71.4MB in the beginning and 100.8MB in the end (delta: -29.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.16ms. Allocated memory is still 130.0MB. Free memory was 100.8MB in the beginning and 99.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.68ms. Allocated memory is still 130.0MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 629.96ms. Allocated memory is still 130.0MB. Free memory was 97.1MB in the beginning and 75.1MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. 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 15:50:48,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/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_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/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_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/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_518e95f4-41ef-4a85-97e9-68e80012ff52/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 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:51,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:51,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:51,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:51,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:51,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:51,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:51,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:51,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:51,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:51,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:51,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:51,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:51,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:51,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:51,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:51,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:51,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:51,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:51,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:51,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:51,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:51,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:51,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:51,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:51,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:51,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:51,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:51,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:51,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:51,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:51,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:51,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:51,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:51,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:51,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:51,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:51,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:51,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:51,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:51,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:51,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:51,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:51,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:51,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:51,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:51,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:51,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:51,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:51,589 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:51,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:51,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:51,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:51,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:51,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:51,591 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:51,592 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:51,592 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:51,592 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:51,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:51,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:51,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:51,593 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:51,593 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:51,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:51,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:51,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:51,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:51,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:51,595 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:51,595 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:51,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:51,595 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:51,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:51,596 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_518e95f4-41ef-4a85-97e9-68e80012ff52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2021-11-23 15:50:52,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:52,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:52,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:52,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:52,034 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:52,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2021-11-23 15:50:52,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data/7f2eb5de7/07ab5063863b495e8f5c3336a0f71f54/FLAG0c2d99a37 [2021-11-23 15:50:52,646 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:52,647 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2021-11-23 15:50:52,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data/7f2eb5de7/07ab5063863b495e8f5c3336a0f71f54/FLAG0c2d99a37 [2021-11-23 15:50:52,960 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/data/7f2eb5de7/07ab5063863b495e8f5c3336a0f71f54 [2021-11-23 15:50:52,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:52,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:52,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:52,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:52,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:52,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:52" (1/1) ... [2021-11-23 15:50:52,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a34b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:52, skipping insertion in model container [2021-11-23 15:50:52,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:52" (1/1) ... [2021-11-23 15:50:52,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:53,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:53,188 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_518e95f4-41ef-4a85-97e9-68e80012ff52/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2021-11-23 15:50:53,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:53,210 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:50:53,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:53,252 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_518e95f4-41ef-4a85-97e9-68e80012ff52/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2021-11-23 15:50:53,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:53,263 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:53,292 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_518e95f4-41ef-4a85-97e9-68e80012ff52/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2021-11-23 15:50:53,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:53,313 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:53,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53 WrapperNode [2021-11-23 15:50:53,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:53,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:53,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:53,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:53,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,364 INFO L137 Inliner]: procedures = 29, calls = 87, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 104 [2021-11-23 15:50:53,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:53,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:53,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:53,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:53,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:53,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:53,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:53,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:53,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:53" (1/1) ... [2021-11-23 15:50:53,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:53,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:53,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:53,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:50:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:50:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:50:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:50:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:50:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:50:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:50:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:50:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:50:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:50:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:50:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:50:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:50:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:50:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:50:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:50:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:50:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:50:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:50:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:50:53,533 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 15:50:53,678 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:53,680 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:54,196 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:54,354 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 15:50:54,361 INFO L158 Benchmark]: Toolchain (without parser) took 1395.96ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 44.6MB in the beginning and 46.6MB in the end (delta: -2.0MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2021-11-23 15:50:54,363 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 46.2MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:54,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.07ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 44.8MB in the end (delta: -433.6kB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 15:50:54,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.41ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 42.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:54,365 INFO L158 Benchmark]: Boogie Preprocessor took 59.59ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 40.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:54,366 INFO L158 Benchmark]: RCFGBuilder took 932.40ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.8MB in the beginning and 46.6MB in the end (delta: -5.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-23 15:50:54,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 46.2MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.07ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 44.8MB in the end (delta: -433.6kB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.41ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 42.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.59ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 40.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 932.40ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 40.8MB in the beginning and 46.6MB in the end (delta: -5.7MB). Peak memory consumption was 14.9MB. 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 15:50:54,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518e95f4-41ef-4a85-97e9-68e80012ff52/bin/ukojak-CwSLpZB5Qu/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable