./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ --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 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca --- 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-6b4ec56 [2022-11-20 16:54:31,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:54:31,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:54:31,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:54:31,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:54:31,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:54:31,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:54:31,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:54:31,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:54:31,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:54:31,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:54:31,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:54:31,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:54:31,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:54:31,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:54:31,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:54:31,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:54:31,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:54:31,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:54:31,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:54:31,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:54:31,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:54:31,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:54:31,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:54:31,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:54:31,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:54:31,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:54:31,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:54:31,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:54:31,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:54:31,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:54:31,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:54:31,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:54:31,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:54:31,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:54:31,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:54:31,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:54:31,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:54:31,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:54:31,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:54:31,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:54:31,827 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:54:31,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:54:31,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:54:31,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:54:31,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:54:31,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:54:31,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:54:31,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:54:31,872 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:54:31,872 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:54:31,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:54:31,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:54:31,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:54:31,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:54:31,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:54:31,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:54:31,874 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:54:31,874 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:54:31,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:54:31,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:54:31,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:54:31,875 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:54:31,876 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:54:31,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:54:31,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:31,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:54:31,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:54:31,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:54:31,877 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:54:31,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:54:31,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:54:31,878 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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca [2022-11-20 16:54:32,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:54:32,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:54:32,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:54:32,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:54:32,261 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:54:32,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-11-20 16:54:35,396 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:35,652 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:35,652 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-11-20 16:54:35,660 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/data/94d8435c5/e3b00aaf45dd4278ae7f44a04d2e0076/FLAG6c840b510 [2022-11-20 16:54:35,680 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/data/94d8435c5/e3b00aaf45dd4278ae7f44a04d2e0076 [2022-11-20 16:54:35,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:35,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:35,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:35,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:35,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:35,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:35" (1/1) ... [2022-11-20 16:54:35,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52eb7993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:35, skipping insertion in model container [2022-11-20 16:54:35,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:35" (1/1) ... [2022-11-20 16:54:35,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:35,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:35,972 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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-11-20 16:54:35,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:35,995 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:36,026 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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-11-20 16:54:36,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:36,047 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:36,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36 WrapperNode [2022-11-20 16:54:36,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:36,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:36,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:36,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:36,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,097 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2022-11-20 16:54:36,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:36,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:36,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:36,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:36,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:36,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:36,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:36,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:36,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:36" (1/1) ... [2022-11-20 16:54:36,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:36,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:36,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:36,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:54:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:54:36,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:54:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 16:54:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 16:54:36,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 16:54:36,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 16:54:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 16:54:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 16:54:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 16:54:36,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 16:54:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:54:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:54:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:54:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:54:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:54:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:54:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:54:36,243 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:54:36,370 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:36,373 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:36,880 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:37,236 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:37,236 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 16:54:37,238 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L86 is neither atomic block end nor a sink node. [2022-11-20 16:54:37,239 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) [2022-11-20 16:54:37,251 INFO L158 Benchmark]: Toolchain (without parser) took 1563.51ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 93.2MB in the beginning and 148.7MB in the end (delta: -55.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-11-20 16:54:37,252 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:37,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.70ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 81.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:54:37,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.82ms. Allocated memory is still 136.3MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:37,256 INFO L158 Benchmark]: Boogie Preprocessor took 41.80ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 77.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:37,257 INFO L158 Benchmark]: RCFGBuilder took 1107.24ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 77.5MB in the beginning and 148.7MB in the end (delta: -71.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-11-20 16:54:37,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 136.3MB. Free memory is still 108.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.70ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 81.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.82ms. Allocated memory is still 136.3MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.80ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 77.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1107.24ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 77.5MB in the beginning and 148.7MB in the end (delta: -71.2MB). Peak memory consumption was 41.5MB. 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. [2022-11-20 16:54:37,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ --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 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca --- 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-6b4ec56 [2022-11-20 16:54:40,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:54:40,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:54:40,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:54:40,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:54:40,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:54:40,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:54:40,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:54:40,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:54:40,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:54:40,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:54:40,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:54:40,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:54:40,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:54:40,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:54:40,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:54:40,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:54:40,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:54:40,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:54:40,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:54:40,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:54:40,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:54:40,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:54:40,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:54:40,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:54:40,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:54:40,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:54:40,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:54:40,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:54:40,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:54:40,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:54:40,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:54:40,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:54:40,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:54:40,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:54:40,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:54:40,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:54:40,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:54:40,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:54:40,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:54:40,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:54:40,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:54:40,147 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:54:40,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:54:40,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:54:40,148 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:54:40,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:54:40,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:54:40,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:54:40,150 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:54:40,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:54:40,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:54:40,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:54:40,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:54:40,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:54:40,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:54:40,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:54:40,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:54:40,152 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:54:40,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:54:40,152 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:54:40,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:54:40,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:54:40,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:54:40,153 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:54:40,153 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:54:40,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:54:40,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:40,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:54:40,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:54:40,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:54:40,155 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:54:40,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:54:40,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:54:40,156 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:54:40,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:54:40,156 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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca [2022-11-20 16:54:40,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:54:40,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:54:40,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:54:40,625 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:54:40,625 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:54:40,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-11-20 16:54:43,637 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:43,844 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:43,845 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-11-20 16:54:43,854 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/data/270341e29/063088da474d47f9921d215496f13de4/FLAG6307a858e [2022-11-20 16:54:43,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/data/270341e29/063088da474d47f9921d215496f13de4 [2022-11-20 16:54:43,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:43,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:43,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:43,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:43,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:43,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:43" (1/1) ... [2022-11-20 16:54:43,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee25da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:43, skipping insertion in model container [2022-11-20 16:54:43,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:43" (1/1) ... [2022-11-20 16:54:43,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:43,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:44,130 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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-11-20 16:54:44,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:44,168 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 16:54:44,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:44,218 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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-11-20 16:54:44,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:44,239 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:44,288 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_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-11-20 16:54:44,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:44,317 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:44,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44 WrapperNode [2022-11-20 16:54:44,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:44,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:44,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:44,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:44,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,388 INFO L138 Inliner]: procedures = 28, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-11-20 16:54:44,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:44,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:44,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:44,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:44,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,467 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:44,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:44,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:44,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:44,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:44" (1/1) ... [2022-11-20 16:54:44,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:44,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:44,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:54:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:54:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:54:44,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 16:54:44,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 16:54:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 16:54:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 16:54:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 16:54:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 16:54:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 16:54:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 16:54:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:54:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:54:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:54:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:54:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:54:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:44,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:54:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:54:44,570 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:54:44,717 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:44,719 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:45,248 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:45,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:45,607 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 16:54:45,608 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L86 is neither atomic block end nor a sink node. [2022-11-20 16:54:45,609 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) [2022-11-20 16:54:45,615 INFO L158 Benchmark]: Toolchain (without parser) took 1743.53ms. Allocated memory is still 75.5MB. Free memory was 53.9MB in the beginning and 37.2MB in the end (delta: 16.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2022-11-20 16:54:45,616 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:45,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.04ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 39.2MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:54:45,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.77ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 56.9MB in the end (delta: -17.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-20 16:54:45,618 INFO L158 Benchmark]: Boogie Preprocessor took 70.49ms. Allocated memory is still 75.5MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:45,620 INFO L158 Benchmark]: RCFGBuilder took 1140.88ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 37.2MB in the end (delta: 17.7MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2022-11-20 16:54:45,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 41.5MB in the beginning and 41.5MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.04ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 39.2MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.77ms. Allocated memory is still 75.5MB. Free memory was 39.2MB in the beginning and 56.9MB in the end (delta: -17.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.49ms. Allocated memory is still 75.5MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1140.88ms. Allocated memory is still 75.5MB. Free memory was 54.9MB in the beginning and 37.2MB in the end (delta: 17.7MB). Peak memory consumption was 25.9MB. 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. [2022-11-20 16:54:45,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74b8a109-35bd-4aa1-ae84-0cdfa02e9b4a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?