./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:16:10,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:16:10,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:16:10,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:16:10,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:16:10,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:16:10,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:16:10,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:16:10,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:16:10,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:16:10,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:16:10,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:16:10,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:16:10,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:16:10,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:16:10,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:16:10,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:16:10,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:16:10,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:16:10,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:16:10,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:16:10,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:16:10,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:16:10,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:16:10,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:16:10,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:16:10,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:16:10,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:16:10,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:16:10,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:16:10,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:16:10,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:16:10,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:16:10,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:16:10,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:16:10,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:16:10,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:16:10,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:16:10,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:16:10,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:16:10,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:16:10,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:16:10,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:16:10,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:16:10,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:16:10,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:16:10,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:16:10,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:16:10,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:16:10,697 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:16:10,697 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:16:10,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:16:10,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:16:10,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:16:10,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:16:10,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:16:10,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:16:10,698 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:16:10,698 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:16:10,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:16:10,699 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:16:10,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:16:10,699 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:16:10,699 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:16:10,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:16:10,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:10,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:16:10,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:16:10,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:16:10,700 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:16:10,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:16:10,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:16:10,701 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_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 [2022-11-21 22:16:11,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:16:11,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:16:11,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:16:11,071 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:16:11,072 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:16:11,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2022-11-21 22:16:14,199 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:16:14,455 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:16:14,456 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2022-11-21 22:16:14,464 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/data/e33fe202f/1bc212cefb2d4d3bb85e556666351bfa/FLAGb041f4932 [2022-11-21 22:16:14,482 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/data/e33fe202f/1bc212cefb2d4d3bb85e556666351bfa [2022-11-21 22:16:14,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:16:14,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:16:14,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:14,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:16:14,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:16:14,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8c5af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14, skipping insertion in model container [2022-11-21 22:16:14,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:16:14,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:16:14,726 WARN L237 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_ea634c5b-7e08-449c-bb53-f66de0d8031c/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-11-21 22:16:14,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:14,749 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:16:14,786 WARN L237 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_ea634c5b-7e08-449c-bb53-f66de0d8031c/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-11-21 22:16:14,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:14,802 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:16:14,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14 WrapperNode [2022-11-21 22:16:14,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:14,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:14,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:16:14,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:16:14,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,844 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-11-21 22:16:14,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:14,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:16:14,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:16:14,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:16:14,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:16:14,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:16:14,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:16:14,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:16:14,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:14" (1/1) ... [2022-11-21 22:16:14,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:14,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:16:14,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:16:14,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:16:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:16:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 22:16:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 22:16:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 22:16:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 22:16:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 22:16:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 22:16:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 22:16:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 22:16:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:16:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:16:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:16:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:16:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:16:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:16:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:16:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:16:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:16:14,960 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:16:15,067 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:16:15,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:16:15,502 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:16:15,510 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:16:15,511 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 22:16:15,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:15 BoogieIcfgContainer [2022-11-21 22:16:15,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:16:15,518 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:16:15,518 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:16:15,529 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:16:15,533 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:15" (1/1) ... [2022-11-21 22:16:15,535 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) [2022-11-21 22:16:15,543 INFO L158 Benchmark]: Toolchain (without parser) took 1055.01ms. Allocated memory is still 155.2MB. Free memory was 106.8MB in the beginning and 74.8MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-21 22:16:15,544 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 155.2MB. Free memory was 124.7MB in the beginning and 124.6MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:15,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.62ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 95.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:16:15,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.65ms. Allocated memory is still 155.2MB. Free memory was 95.0MB in the beginning and 93.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:15,547 INFO L158 Benchmark]: Boogie Preprocessor took 29.63ms. Allocated memory is still 155.2MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:15,548 INFO L158 Benchmark]: RCFGBuilder took 641.41ms. Allocated memory is still 155.2MB. Free memory was 91.7MB in the beginning and 75.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:16:15,549 INFO L158 Benchmark]: CodeCheck took 23.58ms. Allocated memory is still 155.2MB. Free memory was 75.8MB in the beginning and 74.8MB in the end (delta: 946.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:15,558 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 0.94ms. Allocated memory is still 155.2MB. Free memory was 124.7MB in the beginning and 124.6MB in the end (delta: 98.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.62ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 95.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.65ms. Allocated memory is still 155.2MB. Free memory was 95.0MB in the beginning and 93.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.63ms. Allocated memory is still 155.2MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.41ms. Allocated memory is still 155.2MB. Free memory was 91.7MB in the beginning and 75.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 23.58ms. Allocated memory is still 155.2MB. Free memory was 75.8MB in the beginning and 74.8MB in the end (delta: 946.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:16:15,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:16:17,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:16:17,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:16:18,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:16:18,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:16:18,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:16:18,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:16:18,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:16:18,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:16:18,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:16:18,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:16:18,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:16:18,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:16:18,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:16:18,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:16:18,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:16:18,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:16:18,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:16:18,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:16:18,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:16:18,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:16:18,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:16:18,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:16:18,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:16:18,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:16:18,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:16:18,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:16:18,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:16:18,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:16:18,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:16:18,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:16:18,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:16:18,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:16:18,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:16:18,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:16:18,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:16:18,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:16:18,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:16:18,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:16:18,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:16:18,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:16:18,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:16:18,142 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:16:18,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:16:18,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:16:18,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:16:18,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:16:18,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:16:18,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:16:18,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:16:18,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:16:18,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:16:18,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:16:18,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:16:18,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:16:18,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:16:18,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:16:18,152 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:16:18,152 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:16:18,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:16:18,152 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:16:18,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:16:18,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:16:18,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:16:18,154 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:16:18,154 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:16:18,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:16:18,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:18,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:16:18,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:16:18,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:16:18,156 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:16:18,156 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:16:18,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:16:18,157 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:16:18,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:16:18,157 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_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 [2022-11-21 22:16:18,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:16:18,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:16:18,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:16:18,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:16:18,585 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:16:18,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2022-11-21 22:16:21,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:16:21,907 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:16:21,908 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2022-11-21 22:16:21,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/data/17fb37761/6aab34fc39944f94b69f47957378d849/FLAG9212dbfb5 [2022-11-21 22:16:22,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/data/17fb37761/6aab34fc39944f94b69f47957378d849 [2022-11-21 22:16:22,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:16:22,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:16:22,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:22,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:16:22,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:16:22,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c81962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22, skipping insertion in model container [2022-11-21 22:16:22,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:16:22,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:16:22,516 WARN L237 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_ea634c5b-7e08-449c-bb53-f66de0d8031c/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-11-21 22:16:22,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:22,552 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:16:22,631 WARN L237 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_ea634c5b-7e08-449c-bb53-f66de0d8031c/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-11-21 22:16:22,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:22,652 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:16:22,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22 WrapperNode [2022-11-21 22:16:22,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:22,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:22,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:16:22,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:16:22,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,694 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-11-21 22:16:22,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:22,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:16:22,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:16:22,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:16:22,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,723 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:16:22,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:16:22,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:16:22,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:16:22,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:22" (1/1) ... [2022-11-21 22:16:22,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:22,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:16:22,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:16:22,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:16:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:16:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 22:16:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 22:16:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 22:16:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 22:16:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 22:16:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 22:16:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:16:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 22:16:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 22:16:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:16:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:16:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:16:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:16:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:16:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:16:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:16:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:16:22,827 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:16:22,934 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:16:22,936 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:16:23,306 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:16:23,315 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:16:23,315 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 22:16:23,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:23 BoogieIcfgContainer [2022-11-21 22:16:23,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:16:23,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:16:23,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:16:23,330 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:16:23,330 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:23" (1/1) ... [2022-11-21 22:16:23,331 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) [2022-11-21 22:16:23,338 INFO L158 Benchmark]: Toolchain (without parser) took 1063.22ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 42.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2022-11-21 22:16:23,338 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:23,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.71ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 63.3MB in the end (delta: -19.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-21 22:16:23,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.10ms. Allocated memory is still 83.9MB. Free memory was 63.3MB in the beginning and 61.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:23,341 INFO L158 Benchmark]: Boogie Preprocessor took 30.77ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 59.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:16:23,342 INFO L158 Benchmark]: RCFGBuilder took 589.59ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 43.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:16:23,343 INFO L158 Benchmark]: CodeCheck took 16.35ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 42.3MB in the end (delta: 694.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:23,352 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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.71ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 63.3MB in the end (delta: -19.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.10ms. Allocated memory is still 83.9MB. Free memory was 63.3MB in the beginning and 61.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.77ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 59.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 589.59ms. Allocated memory is still 83.9MB. Free memory was 59.8MB in the beginning and 43.3MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.35ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 42.3MB in the end (delta: 694.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:16:23,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea634c5b-7e08-449c-bb53-f66de0d8031c/bin/ukojak-jW3SillKbg/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