./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB --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 33cf58268090640beca4b79cf718f2ee2d6c29dee3e4b3e200f8bf0a7c295123 --- 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-dbf71c6-m [2022-10-17 16:42:31,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:31,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:31,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:31,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:31,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:31,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:31,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:31,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:31,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:31,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:31,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:31,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:31,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:31,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:31,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:31,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:31,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:31,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:31,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:31,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:31,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:31,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:31,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:31,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:31,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:31,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:31,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:31,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:31,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:31,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:31,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:31,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:31,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:31,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:31,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:31,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:31,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:31,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:31,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:31,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:31,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:31,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:31,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:31,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:31,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:31,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:31,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:31,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:31,937 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:31,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:31,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:31,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:31,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:31,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:31,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:31,939 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:31,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:31,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:31,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:31,940 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:31,940 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:31,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:31,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:31,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:31,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:31,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:31,941 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:31,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:31,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:31,943 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_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33cf58268090640beca4b79cf718f2ee2d6c29dee3e4b3e200f8bf0a7c295123 [2022-10-17 16:42:32,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:32,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:32,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:32,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:32,274 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:32,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2022-10-17 16:42:32,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data/a7e4318a3/6da0c36012714489b6fdb9ed6860fef8/FLAGb13c16f9e [2022-10-17 16:42:32,871 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:32,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2022-10-17 16:42:32,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data/a7e4318a3/6da0c36012714489b6fdb9ed6860fef8/FLAGb13c16f9e [2022-10-17 16:42:33,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data/a7e4318a3/6da0c36012714489b6fdb9ed6860fef8 [2022-10-17 16:42:33,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:33,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:33,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:33,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:33,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:33,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1d3a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33, skipping insertion in model container [2022-10-17 16:42:33,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:33,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:33,477 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_36df96d8-58b9-4b9a-867b-8a79861a1469/sv-benchmarks/c/weaver/popl20-figure1.wvr.c[1991,2004] [2022-10-17 16:42:33,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:33,501 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:33,542 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_36df96d8-58b9-4b9a-867b-8a79861a1469/sv-benchmarks/c/weaver/popl20-figure1.wvr.c[1991,2004] [2022-10-17 16:42:33,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:33,567 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:33,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33 WrapperNode [2022-10-17 16:42:33,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:33,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:33,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:33,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:33,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,617 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-10-17 16:42:33,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:33,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:33,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:33,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:33,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,641 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:33,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:33,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:33,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:33,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:33,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:33,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:33,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:33,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:42:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:42:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:42:33,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:42:33,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:42:33,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:42:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:42:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:42:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:42:33,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:42:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:33,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:42:33,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:42:33,747 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:42:33,833 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:33,835 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:34,027 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:34,068 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:34,069 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:42:34,070 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:42:34,071 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:42:34,075 INFO L158 Benchmark]: Toolchain (without parser) took 846.89ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 53.8MB in the end (delta: 8.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-10-17 16:42:34,076 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 73.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:34,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.71ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 70.5MB in the end (delta: -8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:42:34,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.33ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 69.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:34,078 INFO L158 Benchmark]: Boogie Preprocessor took 26.38ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 67.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:34,079 INFO L158 Benchmark]: RCFGBuilder took 427.63ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 53.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:42:34,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 73.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.71ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 70.5MB in the end (delta: -8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.33ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 69.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.38ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 67.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 427.63ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 53.8MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:42:34,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/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_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB --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 33cf58268090640beca4b79cf718f2ee2d6c29dee3e4b3e200f8bf0a7c295123 --- 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-dbf71c6-m [2022-10-17 16:42:36,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:36,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:36,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:36,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:36,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:36,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:36,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:36,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:36,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:36,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:36,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:36,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:36,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:36,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:36,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:36,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:36,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:36,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:36,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:36,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:36,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:36,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:36,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:36,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:36,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:36,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:36,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:36,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:36,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:36,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:36,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:36,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:36,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:36,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:36,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:36,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:36,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:36,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:36,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:36,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:36,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:42:37,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:37,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:37,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:37,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:37,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:37,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:37,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:37,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:37,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:37,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:37,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:37,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:37,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:37,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:42:37,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:42:37,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:42:37,018 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:37,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:37,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:37,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:37,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:37,019 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:37,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:37,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:37,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:37,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:37,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:37,020 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:42:37,020 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:42:37,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:37,021 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:42:37,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:42:37,021 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_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33cf58268090640beca4b79cf718f2ee2d6c29dee3e4b3e200f8bf0a7c295123 [2022-10-17 16:42:37,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:37,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:37,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:37,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:37,458 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:37,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2022-10-17 16:42:37,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data/b55d3aa4c/2beaaf7c54b14e2d9c610a28634aa425/FLAGa4d04605d [2022-10-17 16:42:38,054 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:38,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2022-10-17 16:42:38,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data/b55d3aa4c/2beaaf7c54b14e2d9c610a28634aa425/FLAGa4d04605d [2022-10-17 16:42:38,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/data/b55d3aa4c/2beaaf7c54b14e2d9c610a28634aa425 [2022-10-17 16:42:38,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:38,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:38,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:38,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:38,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:38,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717dccf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38, skipping insertion in model container [2022-10-17 16:42:38,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:38,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:38,704 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_36df96d8-58b9-4b9a-867b-8a79861a1469/sv-benchmarks/c/weaver/popl20-figure1.wvr.c[1991,2004] [2022-10-17 16:42:38,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:38,739 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:38,804 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_36df96d8-58b9-4b9a-867b-8a79861a1469/sv-benchmarks/c/weaver/popl20-figure1.wvr.c[1991,2004] [2022-10-17 16:42:38,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:38,826 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:38,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38 WrapperNode [2022-10-17 16:42:38,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:38,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:38,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:38,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:38,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,873 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-10-17 16:42:38,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:38,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:38,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:38,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:38,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:38,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:38,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:38,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:38,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:38" (1/1) ... [2022-10-17 16:42:38,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:38,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:38,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:39,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:39,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:42:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:42:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:42:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:42:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:42:39,046 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:42:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:42:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:42:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:42:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:42:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:42:39,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:42:39,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:42:39,050 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:42:39,175 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:39,178 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:39,449 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:39,562 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:39,562 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:42:39,563 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:42:39,564 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:42:39,568 INFO L158 Benchmark]: Toolchain (without parser) took 1131.79ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.4MB in the beginning and 48.2MB in the end (delta: -14.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:39,569 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:39,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.66ms. Allocated memory is still 56.6MB. Free memory was 33.2MB in the beginning and 38.6MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:42:39,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.27ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 37.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:42:39,572 INFO L158 Benchmark]: Boogie Preprocessor took 63.04ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 35.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:42:39,573 INFO L158 Benchmark]: RCFGBuilder took 627.48ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 35.5MB in the beginning and 48.2MB in the end (delta: -12.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-10-17 16:42:39,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.66ms. Allocated memory is still 56.6MB. Free memory was 33.2MB in the beginning and 38.6MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.27ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 37.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.04ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 35.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.48ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 35.5MB in the beginning and 48.2MB in the end (delta: -12.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:42:39,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36df96d8-58b9-4b9a-867b-8a79861a1469/bin/ukojak-92XMlrwhuB/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?