./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-5.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_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/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_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/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_7f4ee339-5990-4ee5-aaf6-036338bac36d/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 084d7ddce3c53222c6533ccae99969e854061e3b422eaf94457157515e3bd009 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:11,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:11,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:11,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:11,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:11,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:11,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:11,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:11,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:11,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:11,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:11,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:11,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:11,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:11,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:11,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:11,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:11,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:11,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:11,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:11,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:11,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:11,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:11,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:11,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:11,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:11,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:11,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:11,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:11,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:11,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:11,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:11,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:11,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:11,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:11,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:11,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:11,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:11,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:11,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:11,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:11,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:11,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:11,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:11,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:11,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:11,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:11,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:11,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:11,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:11,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:11,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:11,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:11,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:11,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:11,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:11,630 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:11,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:11,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:11,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:11,631 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:11,631 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:11,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:11,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:11,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:11,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:11,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:11,632 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:11,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:11,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:11,633 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_7f4ee339-5990-4ee5-aaf6-036338bac36d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 084d7ddce3c53222c6533ccae99969e854061e3b422eaf94457157515e3bd009 [2021-11-23 15:53:11,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:11,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:11,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:11,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:11,922 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:11,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2021-11-23 15:53:11,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data/54a8fa88b/28319a8d344b46f88282621987b7b53c/FLAGb52eea456 [2021-11-23 15:53:12,441 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:12,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2021-11-23 15:53:12,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data/54a8fa88b/28319a8d344b46f88282621987b7b53c/FLAGb52eea456 [2021-11-23 15:53:12,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data/54a8fa88b/28319a8d344b46f88282621987b7b53c [2021-11-23 15:53:12,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:12,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:12,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:12,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:12,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:12,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:12" (1/1) ... [2021-11-23 15:53:12,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:12, skipping insertion in model container [2021-11-23 15:53:12,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:12" (1/1) ... [2021-11-23 15:53:12,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:12,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:13,084 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_7f4ee339-5990-4ee5-aaf6-036338bac36d/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[3963,3976] [2021-11-23 15:53:13,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:13,096 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:13,125 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_7f4ee339-5990-4ee5-aaf6-036338bac36d/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[3963,3976] [2021-11-23 15:53:13,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:13,152 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:13,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13 WrapperNode [2021-11-23 15:53:13,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:13,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:13,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:13,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:13,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,208 INFO L137 Inliner]: procedures = 24, calls = 85, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 119 [2021-11-23 15:53:13,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:13,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:13,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:13,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:13,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:13,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:13,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:13,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:13,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:13,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:13,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:13,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:53:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:53:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:53:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:53:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:53:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:53:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:53:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:53:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 15:53:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 15:53:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:53:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:53:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:13,356 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 15:53:13,461 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:13,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:13,772 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:13,905 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 15:53:13,909 INFO L158 Benchmark]: Toolchain (without parser) took 1096.12ms. Allocated memory is still 104.9MB. Free memory was 67.5MB in the beginning and 55.0MB in the end (delta: 12.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 15:53:13,910 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:13,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.89ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 78.0MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:13,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.27ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 76.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:13,912 INFO L158 Benchmark]: Boogie Preprocessor took 63.74ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 75.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:13,913 INFO L158 Benchmark]: RCFGBuilder took 628.78ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 55.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:53:13,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.89ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 78.0MB in the end (delta: -10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.27ms. Allocated memory is still 104.9MB. Free memory was 78.0MB in the beginning and 76.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.74ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 75.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.78ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 55.0MB in the end (delta: 19.9MB). 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 15:53:13,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/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_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/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_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/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_7f4ee339-5990-4ee5-aaf6-036338bac36d/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 084d7ddce3c53222c6533ccae99969e854061e3b422eaf94457157515e3bd009 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:16,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:16,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:16,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:16,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:16,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:16,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:16,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:16,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:16,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:16,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:16,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:16,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:16,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:16,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:16,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:16,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:16,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:16,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:16,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:16,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:16,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:16,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:16,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:16,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:16,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:16,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:16,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:16,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:16,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:16,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:16,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:16,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:16,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:16,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:16,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:16,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:16,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:16,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:16,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:16,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:16,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:16,385 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:16,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:16,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:16,387 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:16,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:16,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:16,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:16,390 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:16,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:16,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:16,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:16,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:16,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:16,392 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:16,392 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:16,392 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:16,392 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:16,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:16,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:16,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:16,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:16,394 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:16,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:16,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:16,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:16,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:16,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:16,395 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:16,395 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:16,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:16,396 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:16,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:16,396 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_7f4ee339-5990-4ee5-aaf6-036338bac36d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 084d7ddce3c53222c6533ccae99969e854061e3b422eaf94457157515e3bd009 [2021-11-23 15:53:16,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:16,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:16,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:16,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:16,843 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:16,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2021-11-23 15:53:16,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data/d16f83faa/29372f12ca8143e6a26885ae5e6907c8/FLAG153ee77ad [2021-11-23 15:53:17,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:17,370 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c [2021-11-23 15:53:17,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data/d16f83faa/29372f12ca8143e6a26885ae5e6907c8/FLAG153ee77ad [2021-11-23 15:53:17,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/data/d16f83faa/29372f12ca8143e6a26885ae5e6907c8 [2021-11-23 15:53:17,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:17,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:17,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:17,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:17,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:17,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a85aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:17, skipping insertion in model container [2021-11-23 15:53:17,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:17" (1/1) ... [2021-11-23 15:53:17,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:17,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:18,068 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_7f4ee339-5990-4ee5-aaf6-036338bac36d/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[3963,3976] [2021-11-23 15:53:18,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:18,121 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:18,160 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_7f4ee339-5990-4ee5-aaf6-036338bac36d/sv-benchmarks/c/weaver/parallel-ticket-5.wvr.c[3963,3976] [2021-11-23 15:53:18,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:18,176 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:18,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18 WrapperNode [2021-11-23 15:53:18,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:18,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:18,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:18,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:18,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,217 INFO L137 Inliner]: procedures = 26, calls = 85, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 111 [2021-11-23 15:53:18,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:18,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:18,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:18,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:18,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:18,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:18,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:18,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:18,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:18" (1/1) ... [2021-11-23 15:53:18,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:18,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:18,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:18,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:18,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:53:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:53:18,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:53:18,329 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:53:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:53:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:53:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:53:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:53:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:53:18,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:18,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-11-23 15:53:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-11-23 15:53:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:53:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:53:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:53:18,333 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 15:53:18,495 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:18,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:18,837 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:18,945 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 15:53:18,949 INFO L158 Benchmark]: Toolchain (without parser) took 1176.52ms. Allocated memory is still 73.4MB. Free memory was 37.1MB in the beginning and 31.5MB in the end (delta: 5.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,950 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:18,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.11ms. Allocated memory is still 73.4MB. Free memory was 36.9MB in the beginning and 55.5MB in the end (delta: -18.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.80ms. Allocated memory is still 73.4MB. Free memory was 55.3MB in the beginning and 53.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,952 INFO L158 Benchmark]: Boogie Preprocessor took 46.14ms. Allocated memory is still 73.4MB. Free memory was 53.6MB in the beginning and 52.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,953 INFO L158 Benchmark]: RCFGBuilder took 682.05ms. Allocated memory is still 73.4MB. Free memory was 52.0MB in the beginning and 31.7MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:53:18,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.11ms. Allocated memory is still 73.4MB. Free memory was 36.9MB in the beginning and 55.5MB in the end (delta: -18.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.80ms. Allocated memory is still 73.4MB. Free memory was 55.3MB in the beginning and 53.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.14ms. Allocated memory is still 73.4MB. Free memory was 53.6MB in the beginning and 52.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.05ms. Allocated memory is still 73.4MB. Free memory was 52.0MB in the beginning and 31.7MB in the end (delta: 20.3MB). 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 15:53:19,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4ee339-5990-4ee5-aaf6-036338bac36d/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