./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:23,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:23,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:23,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:23,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:23,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:23,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:23,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:23,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:23,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:23,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:23,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:23,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:23,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:23,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:23,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:23,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:23,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:23,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:23,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:23,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:23,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:23,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:23,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:23,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:23,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:23,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:23,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:23,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:23,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:23,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:23,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:23,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:23,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:23,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:23,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:23,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:23,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:23,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:23,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:23,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:23,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:23,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:23,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:23,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:23,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:23,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:23,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:23,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:23,905 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:23,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:23,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:23,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:23,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:23,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:23,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:23,914 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:23,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:23,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:23,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:23,915 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:23,915 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:23,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:23,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:23,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:23,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:23,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:23,917 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:23,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:23,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:23,917 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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 [2021-11-23 15:53:24,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:24,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:24,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:24,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:24,248 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:24,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2021-11-23 15:53:24,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data/de8058abd/2fda349a85f4492f897917caa7673269/FLAGfd7789b6a [2021-11-23 15:53:24,794 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:24,794 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2021-11-23 15:53:24,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data/de8058abd/2fda349a85f4492f897917caa7673269/FLAGfd7789b6a [2021-11-23 15:53:25,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data/de8058abd/2fda349a85f4492f897917caa7673269 [2021-11-23 15:53:25,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:25,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:25,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:25,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:25,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:25,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73078377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25, skipping insertion in model container [2021-11-23 15:53:25,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:25,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:25,431 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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2021-11-23 15:53:25,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:25,443 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:25,467 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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2021-11-23 15:53:25,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:25,482 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:25,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25 WrapperNode [2021-11-23 15:53:25,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:25,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:25,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:25,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:25,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,520 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2021-11-23 15:53:25,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:25,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:25,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:25,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:25,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:25,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:25,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:25,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:25,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:25" (1/1) ... [2021-11-23 15:53:25,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:25,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:25,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:25,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:53:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:53:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:53:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:53:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:53:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:53:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:53:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:53:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:25,663 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 15:53:25,738 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:25,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:26,031 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:26,040 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:26,040 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 15:53:26,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:26 BoogieIcfgContainer [2021-11-23 15:53:26,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:26,044 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:26,044 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:26,052 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:26,052 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:26,053 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:53:26,056 INFO L158 Benchmark]: Toolchain (without parser) took 874.71ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 47.0MB in the end (delta: 9.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:26,057 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:26,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.30ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 64.2MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:26,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.28ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 62.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:26,060 INFO L158 Benchmark]: Boogie Preprocessor took 30.04ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 61.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:26,061 INFO L158 Benchmark]: RCFGBuilder took 490.40ms. Allocated memory is still 90.2MB. Free memory was 60.9MB in the beginning and 47.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:26,062 INFO L158 Benchmark]: CodeCheck took 10.64ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 47.0MB in the end (delta: 776.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:26,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.30ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 64.2MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.28ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 62.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.04ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 61.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.40ms. Allocated memory is still 90.2MB. Free memory was 60.9MB in the beginning and 47.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10.64ms. Allocated memory is still 90.2MB. Free memory was 47.8MB in the beginning and 47.0MB in the end (delta: 776.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:26,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:28,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:28,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:28,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:28,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:28,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:28,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:28,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:28,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:28,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:28,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:28,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:28,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:28,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:28,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:28,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:28,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:28,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:28,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:28,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:28,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:28,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:28,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:28,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:28,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:28,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:28,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:28,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:28,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:28,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:28,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:28,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:28,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:28,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:28,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:28,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:28,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:28,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:28,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:28,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:28,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:28,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:28,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:28,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:28,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:28,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:28,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:28,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:28,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:28,704 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:28,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:28,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:28,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:28,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:28,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:28,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:28,705 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:28,706 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:28,706 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:28,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:28,706 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:28,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:28,707 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:28,707 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:28,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:28,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:28,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:28,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:28,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:28,709 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:28,709 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:28,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:28,709 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:28,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:28,710 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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 [2021-11-23 15:53:29,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:29,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:29,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:29,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:29,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:29,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2021-11-23 15:53:29,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data/d444467a2/ad712e11efb647ed8bc71e61864151d6/FLAGaa38c177d [2021-11-23 15:53:29,798 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:29,799 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2021-11-23 15:53:29,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data/d444467a2/ad712e11efb647ed8bc71e61864151d6/FLAGaa38c177d [2021-11-23 15:53:30,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/data/d444467a2/ad712e11efb647ed8bc71e61864151d6 [2021-11-23 15:53:30,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:30,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:30,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:30,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:30,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:30,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d00ce57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30, skipping insertion in model container [2021-11-23 15:53:30,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:30,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:30,499 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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2021-11-23 15:53:30,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:30,570 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:30,628 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_37655e14-b033-45ee-8c0d-2b8a9ed97feb/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2021-11-23 15:53:30,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:30,649 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:30,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30 WrapperNode [2021-11-23 15:53:30,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:30,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:30,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:30,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:30,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,705 INFO L137 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2021-11-23 15:53:30,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:30,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:30,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:30,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:30,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:30,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:30,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:30,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:30,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:30" (1/1) ... [2021-11-23 15:53:30,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:30,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:30,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:30,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:53:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:53:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:53:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:53:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:53:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:53:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:53:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:53:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:53:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:30,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:53:30,860 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 15:53:30,988 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:30,990 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:31,272 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:31,281 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:31,282 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 15:53:31,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:31 BoogieIcfgContainer [2021-11-23 15:53:31,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:31,285 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:31,286 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:31,296 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:31,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:31" (1/1) ... [2021-11-23 15:53:31,298 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 15:53:31,302 INFO L158 Benchmark]: Toolchain (without parser) took 1106.09ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 40.4MB in the beginning and 57.0MB in the end (delta: -16.7MB). Peak memory consumption was 575.2kB. Max. memory is 16.1GB. [2021-11-23 15:53:31,303 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:31,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.14ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 42.2MB in the end (delta: -2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:31,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.26ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 40.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:31,306 INFO L158 Benchmark]: Boogie Preprocessor took 60.85ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 39.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:31,307 INFO L158 Benchmark]: RCFGBuilder took 516.66ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 39.2MB in the beginning and 58.1MB in the end (delta: -18.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:31,308 INFO L158 Benchmark]: CodeCheck took 15.15ms. Allocated memory is still 77.6MB. Free memory was 58.1MB in the beginning and 57.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:31,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.14ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 42.2MB in the end (delta: -2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.26ms. Allocated memory is still 60.8MB. Free memory was 42.2MB in the beginning and 40.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.85ms. Allocated memory is still 60.8MB. Free memory was 40.6MB in the beginning and 39.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.66ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 39.2MB in the beginning and 58.1MB in the end (delta: -18.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 15.15ms. Allocated memory is still 77.6MB. Free memory was 58.1MB in the beginning and 57.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:31,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37655e14-b033-45ee-8c0d-2b8a9ed97feb/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: Concurrent programs are currently unsupported