./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/spaghetti.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8 --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 7e50ae1d6af13c623583d6a2f949e9597ecd4d402771d52399b9fc659c58a3d1 --- 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-2329fc7 [2022-12-13 13:11:38,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:11:38,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:11:38,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:11:38,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:11:38,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:11:38,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:11:38,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:11:38,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:11:38,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:11:38,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:11:38,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:11:38,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:11:38,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:11:38,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:11:38,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:11:38,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:11:38,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:11:38,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:11:38,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:11:38,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:11:38,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:11:38,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:11:38,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:11:38,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:11:38,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:11:38,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:11:38,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:11:38,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:11:38,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:11:38,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:11:38,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:11:38,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:11:38,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:11:38,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:11:38,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:11:38,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:11:38,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:11:38,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:11:38,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:11:38,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:11:38,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 13:11:38,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:11:38,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:11:38,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:11:38,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:11:38,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:11:38,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:11:38,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:11:38,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:11:38,218 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:11:38,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:11:38,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:11:38,219 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:11:38,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:11:38,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:11:38,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:11:38,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:11:38,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:11:38,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:11:38,220 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 13:11:38,220 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:11:38,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:11:38,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:11:38,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:11:38,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:11:38,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:11:38,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:11:38,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:11:38,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:11:38,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:11:38,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:11:38,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:11:38,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:11:38,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:11:38,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:11:38,227 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:11:38,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:11:38,227 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:11:38,227 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e50ae1d6af13c623583d6a2f949e9597ecd4d402771d52399b9fc659c58a3d1 [2022-12-13 13:11:38,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:11:38,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:11:38,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:11:38,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:11:38,437 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:11:38,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2022-12-13 13:11:40,968 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:11:41,136 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:11:41,137 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/sv-benchmarks/c/weaver/spaghetti.wvr.c [2022-12-13 13:11:41,143 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/data/aaa611722/772affa5f8334123a7db968a5d44c959/FLAG691cb3013 [2022-12-13 13:11:41,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/data/aaa611722/772affa5f8334123a7db968a5d44c959 [2022-12-13 13:11:41,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:11:41,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:11:41,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:11:41,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:11:41,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:11:41,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb68287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41, skipping insertion in model container [2022-12-13 13:11:41,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:11:41,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:11:41,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,691 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_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/sv-benchmarks/c/weaver/spaghetti.wvr.c[3221,3234] [2022-12-13 13:11:41,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:11:41,699 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:11:41,708 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 13:11:41,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 13:11:41,719 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_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/sv-benchmarks/c/weaver/spaghetti.wvr.c[3221,3234] [2022-12-13 13:11:41,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:11:41,730 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:11:41,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41 WrapperNode [2022-12-13 13:11:41,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:11:41,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:11:41,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:11:41,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:11:41,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,755 INFO L138 Inliner]: procedures = 23, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-12-13 13:11:41,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:11:41,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:11:41,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:11:41,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:11:41,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,771 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:11:41,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:11:41,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:11:41,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:11:41,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (1/1) ... [2022-12-13 13:11:41,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:11:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:11:41,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:11:41,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:11:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:11:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 13:11:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 13:11:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 13:11:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 13:11:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 13:11:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-13 13:11:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:11:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:11:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:11:41,825 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 13:11:41,898 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:11:41,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:11:42,049 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:11:42,060 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:11:42,060 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 13:11:42,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:11:42 BoogieIcfgContainer [2022-12-13 13:11:42,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:11:42,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:11:42,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:11:42,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:11:42,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:11:41" (1/3) ... [2022-12-13 13:11:42,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70148ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:11:42, skipping insertion in model container [2022-12-13 13:11:42,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:11:41" (2/3) ... [2022-12-13 13:11:42,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70148ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:11:42, skipping insertion in model container [2022-12-13 13:11:42,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:11:42" (3/3) ... [2022-12-13 13:11:42,068 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c [2022-12-13 13:11:42,075 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:11:42,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:11:42,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-13 13:11:42,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70148ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:11:42, skipping insertion in model container [2022-12-13 13:11:42,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:11:42,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:11:42,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:11:42,086 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:11:42,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:11:42" (3/3) ... [2022-12-13 13:11:42,088 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 13:11:42,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 13:11:42,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 13:11:42,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 13:11:42,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-12-13 13:11:42,096 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-13 13:11:42,096 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 13:11:42,097 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 13:11:42,097 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 13:11:42,138 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:11:42,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:11:42,139 INFO L158 Benchmark]: Toolchain (without parser) took 593.22ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 112.6MB in the end (delta: -18.9MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-12-13 13:11:42,139 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:11:42,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.33ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 79.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:11:42,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.57ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:11:42,140 INFO L158 Benchmark]: Boogie Preprocessor took 17.92ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 76.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:11:42,141 INFO L158 Benchmark]: RCFGBuilder took 287.58ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 61.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 13:11:42,141 INFO L158 Benchmark]: TraceAbstraction took 21.16ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 58.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:11:42,141 INFO L158 Benchmark]: Witness Printer took 52.66ms. Allocated memory is still 142.6MB. Free memory was 58.5MB in the beginning and 112.6MB in the end (delta: -54.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-12-13 13:11:42,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.33ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 79.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.57ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.92ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 76.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.58ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 61.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 21.16ms. Allocated memory is still 142.6MB. Free memory was 60.8MB in the beginning and 58.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 52.66ms. Allocated memory is still 142.6MB. Free memory was 58.5MB in the beginning and 112.6MB in the end (delta: -54.1MB). Peak memory consumption was 8.0MB. 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! [2022-12-13 13:11:42,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79ee1804-25c0-48c7-81a9-7ad2b43f70ab/bin/uautomizer-uyxdKDjOR8/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