./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e6a14a531a7a58347cefef713565bcea13a3839848e23eb785379c30b602107 --- 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-8393723 [2022-11-19 08:28:15,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:28:15,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:28:15,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:28:15,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:28:15,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:28:15,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:28:15,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:28:15,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:28:15,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:28:15,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:28:15,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:28:15,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:28:15,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:28:15,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:28:15,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:28:15,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:28:15,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:28:15,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:28:15,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:28:15,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:28:15,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:28:15,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:28:15,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:28:15,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:28:15,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:28:15,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:28:15,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:28:15,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:28:15,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:28:15,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:28:15,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:28:15,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:28:15,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:28:15,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:28:15,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:28:15,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:28:15,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:28:15,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:28:15,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:28:15,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:28:15,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 08:28:15,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:28:15,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:28:15,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:28:15,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:28:15,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:28:15,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:28:15,686 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:28:15,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:28:15,687 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:28:15,687 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:28:15,688 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:28:15,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:28:15,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:28:15,690 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:28:15,690 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:28:15,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:28:15,691 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:28:15,691 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:28:15,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:28:15,692 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:28:15,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:28:15,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:28:15,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:28:15,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:28:15,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:28:15,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:28:15,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:28:15,697 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:28:15,697 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:28:15,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:28:15,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:28:15,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:28:15,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:28:15,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:28:15,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:28:15,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:28:15,700 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:28:15,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:28:15,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:28:15,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:28:15,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:28:15,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:28:15,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:28:15,702 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_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e6a14a531a7a58347cefef713565bcea13a3839848e23eb785379c30b602107 [2022-11-19 08:28:16,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:28:16,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:28:16,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:28:16,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:28:16,144 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:28:16,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2022-11-19 08:28:16,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/data/1b4fb20fd/867c82a8b31945e6b69d4bcd438b6555/FLAGf1a5bb49c [2022-11-19 08:28:16,830 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:28:16,831 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2022-11-19 08:28:16,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/data/1b4fb20fd/867c82a8b31945e6b69d4bcd438b6555/FLAGf1a5bb49c [2022-11-19 08:28:17,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/data/1b4fb20fd/867c82a8b31945e6b69d4bcd438b6555 [2022-11-19 08:28:17,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:28:17,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:28:17,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:28:17,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:28:17,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:28:17,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e06ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17, skipping insertion in model container [2022-11-19 08:28:17,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:28:17,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:28:17,550 WARN L234 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_943da85f-e0a6-4b3e-bd1c-7055d6317c80/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c[2612,2625] [2022-11-19 08:28:17,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:28:17,563 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:28:17,594 WARN L234 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_943da85f-e0a6-4b3e-bd1c-7055d6317c80/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c[2612,2625] [2022-11-19 08:28:17,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:28:17,615 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:28:17,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17 WrapperNode [2022-11-19 08:28:17,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:28:17,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:28:17,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:28:17,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:28:17,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,664 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 117 [2022-11-19 08:28:17,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:28:17,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:28:17,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:28:17,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:28:17,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,717 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:28:17,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:28:17,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:28:17,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:28:17,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (1/1) ... [2022-11-19 08:28:17,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:28:17,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:28:17,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:28:17,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:28:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:28:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 08:28:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 08:28:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 08:28:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 08:28:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-19 08:28:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-19 08:28:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-19 08:28:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-19 08:28:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:28:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:28:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:28:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-19 08:28:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-19 08:28:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:28:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:28:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:28:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:28:17,834 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 08:28:17,953 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:28:17,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:28:18,384 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:28:18,436 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:28:18,437 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 08:28:18,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:28:18 BoogieIcfgContainer [2022-11-19 08:28:18,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:28:18,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:28:18,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:28:18,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:28:18,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:28:17" (1/3) ... [2022-11-19 08:28:18,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479ad74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:28:18, skipping insertion in model container [2022-11-19 08:28:18,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:28:17" (2/3) ... [2022-11-19 08:28:18,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479ad74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:28:18, skipping insertion in model container [2022-11-19 08:28:18,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:28:18" (3/3) ... [2022-11-19 08:28:18,452 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2022-11-19 08:28:18,462 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:28:18,475 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:28:18,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-19 08:28:18,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479ad74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:28:18, skipping insertion in model container [2022-11-19 08:28:18,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:28:18,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:28:18,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:28:18,478 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:28:18,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:28:18" (3/3) ... [2022-11-19 08:28:18,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:28:18,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-19 08:28:18,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-19 08:28:18,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-19 08:28:18,490 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-19 08:28:18,494 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-19 08:28:18,494 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:28:18,495 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:28:18,495 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:28:18,563 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:28:18,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:28:18,569 INFO L158 Benchmark]: Toolchain (without parser) took 1321.38ms. Allocated memory is still 123.7MB. Free memory was 78.1MB in the beginning and 69.1MB in the end (delta: 9.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,576 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:28:18,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.98ms. Allocated memory is still 123.7MB. Free memory was 77.8MB in the beginning and 96.0MB in the end (delta: -18.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.80ms. Allocated memory is still 123.7MB. Free memory was 96.0MB in the beginning and 94.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,578 INFO L158 Benchmark]: Boogie Preprocessor took 56.55ms. Allocated memory is still 123.7MB. Free memory was 94.3MB in the beginning and 92.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,578 INFO L158 Benchmark]: RCFGBuilder took 718.23ms. Allocated memory is still 123.7MB. Free memory was 92.5MB in the beginning and 75.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,580 INFO L158 Benchmark]: TraceAbstraction took 33.64ms. Allocated memory is still 123.7MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,581 INFO L158 Benchmark]: Witness Printer took 86.29ms. Allocated memory is still 123.7MB. Free memory was 71.9MB in the beginning and 69.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:28:18,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.98ms. Allocated memory is still 123.7MB. Free memory was 77.8MB in the beginning and 96.0MB in the end (delta: -18.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.80ms. Allocated memory is still 123.7MB. Free memory was 96.0MB in the beginning and 94.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.55ms. Allocated memory is still 123.7MB. Free memory was 94.3MB in the beginning and 92.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.23ms. Allocated memory is still 123.7MB. Free memory was 92.5MB in the beginning and 75.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 33.64ms. Allocated memory is still 123.7MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 86.29ms. Allocated memory is still 123.7MB. Free memory was 71.9MB in the beginning and 69.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. 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! [2022-11-19 08:28:18,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943da85f-e0a6-4b3e-bd1c-7055d6317c80/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE