./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8978d351a1e877bd44e157215d417b40c01c7c886849af3efe046b60ddaacc95 --- 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-e04fb08 [2022-11-16 12:29:19,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:29:19,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:29:19,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:29:19,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:29:19,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:29:19,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:29:19,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:29:19,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:29:19,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:29:19,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:29:19,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:29:19,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:29:19,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:29:19,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:29:19,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:29:19,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:29:19,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:29:19,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:29:19,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:29:19,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:29:19,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:29:19,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:29:19,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:29:19,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:29:19,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:29:19,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:29:19,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:29:19,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:29:19,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:29:19,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:29:19,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:29:19,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:29:19,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:29:19,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:29:19,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:29:19,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:29:19,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:29:19,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:29:19,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:29:19,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:29:19,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-16 12:29:19,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:29:19,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:29:19,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:29:19,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:29:19,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:29:19,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:29:19,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:29:19,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:29:19,250 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:29:19,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:29:19,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:29:19,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:29:19,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:29:19,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:29:19,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:29:19,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:29:19,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:29:19,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:29:19,253 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 12:29:19,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:29:19,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:29:19,253 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:29:19,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:29:19,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:29:19,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:29:19,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:29:19,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:29:19,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:29:19,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:29:19,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:29:19,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:29:19,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:29:19,257 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:29:19,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:29:19,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:29:19,258 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_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8978d351a1e877bd44e157215d417b40c01c7c886849af3efe046b60ddaacc95 [2022-11-16 12:29:19,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:29:19,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:29:19,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:29:19,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:29:19,653 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:29:19,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2022-11-16 12:29:19,739 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/data/a48cf06ce/e7d5a1cfce4a454d8746f48b68491034/FLAG4cd338ac2 [2022-11-16 12:29:20,268 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:29:20,269 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2022-11-16 12:29:20,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/data/a48cf06ce/e7d5a1cfce4a454d8746f48b68491034/FLAG4cd338ac2 [2022-11-16 12:29:20,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/data/a48cf06ce/e7d5a1cfce4a454d8746f48b68491034 [2022-11-16 12:29:20,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:29:20,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:29:20,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:29:20,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:29:20,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:29:20,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469f8400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20, skipping insertion in model container [2022-11-16 12:29:20,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:29:20,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:29:20,854 WARN L229 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_e8717f93-85b3-41dc-8d6c-594f34a1db2f/sv-benchmarks/c/weaver/popl20-figure3.wvr.c[2121,2134] [2022-11-16 12:29:20,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:29:20,863 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:29:20,888 WARN L229 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_e8717f93-85b3-41dc-8d6c-594f34a1db2f/sv-benchmarks/c/weaver/popl20-figure3.wvr.c[2121,2134] [2022-11-16 12:29:20,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:29:20,908 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:29:20,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20 WrapperNode [2022-11-16 12:29:20,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:29:20,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:29:20,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:29:20,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:29:20,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,958 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2022-11-16 12:29:20,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:29:20,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:29:20,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:29:20,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:29:20,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,979 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:29:20,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:29:20,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:29:20,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:29:20,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (1/1) ... [2022-11-16 12:29:20,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:29:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:29:21,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:29:21,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:29:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:29:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:29:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:29:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:29:21,056 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:29:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:29:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:29:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:29:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:29:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:29:21,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:29:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:29:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:29:21,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:29:21,059 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:29:21,159 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:29:21,161 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:29:21,409 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:29:21,468 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:29:21,468 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:29:21,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:29:21 BoogieIcfgContainer [2022-11-16 12:29:21,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:29:21,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:29:21,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:29:21,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:29:21,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:29:20" (1/3) ... [2022-11-16 12:29:21,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8500107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:29:21, skipping insertion in model container [2022-11-16 12:29:21,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:20" (2/3) ... [2022-11-16 12:29:21,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8500107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:29:21, skipping insertion in model container [2022-11-16 12:29:21,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:29:21" (3/3) ... [2022-11-16 12:29:21,479 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2022-11-16 12:29:21,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:29:21,531 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:29:21,532 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-16 12:29:21,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8500107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:29:21, skipping insertion in model container [2022-11-16 12:29:21,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:29:21,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:29:21,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:29:21,534 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:29:21,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:29:21" (3/3) ... [2022-11-16 12:29:21,538 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:29:21,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:29:21,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:29:21,549 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-16 12:29:21,549 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:29:21,549 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:29:21,550 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:29:21,620 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:29:21,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:29:21,621 INFO L158 Benchmark]: Toolchain (without parser) took 1003.89ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 72.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-11-16 12:29:21,622 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:29:21,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.05ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 94.4MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:29:21,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.64ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 92.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:29:21,623 INFO L158 Benchmark]: Boogie Preprocessor took 23.49ms. Allocated memory is still 119.5MB. Free memory was 92.7MB in the beginning and 91.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:29:21,624 INFO L158 Benchmark]: RCFGBuilder took 488.20ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 77.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:29:21,624 INFO L158 Benchmark]: TraceAbstraction took 60.25ms. Allocated memory is still 119.5MB. Free memory was 76.8MB in the beginning and 74.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:29:21,625 INFO L158 Benchmark]: Witness Printer took 86.25ms. Allocated memory is still 119.5MB. Free memory was 74.7MB in the beginning and 72.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:29:21,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.05ms. Allocated memory is still 119.5MB. Free memory was 81.6MB in the beginning and 94.4MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.64ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 92.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.49ms. Allocated memory is still 119.5MB. Free memory was 92.7MB in the beginning and 91.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.20ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 77.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 60.25ms. Allocated memory is still 119.5MB. Free memory was 76.8MB in the beginning and 74.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.25ms. Allocated memory is still 119.5MB. Free memory was 74.7MB in the beginning and 72.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-16 12:29:21,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8717f93-85b3-41dc-8d6c-594f34a1db2f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE