./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i --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_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/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_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/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_82f9d690-313a-45cc-985b-45e185438092/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 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb --- 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 22:17:06,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:17:06,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:17:06,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:17:06,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:17:06,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:17:06,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:17:06,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:17:06,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:17:06,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:17:06,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:17:06,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:17:06,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:17:06,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:17:06,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:17:06,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:17:06,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:17:06,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:17:06,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:17:06,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:17:06,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:17:06,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:17:06,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:17:06,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:17:06,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:17:06,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:17:06,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:17:06,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:17:06,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:17:06,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:17:06,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:17:06,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:17:06,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:17:06,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:17:06,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:17:06,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:17:06,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:17:06,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:17:06,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:17:06,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:17:06,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:17:06,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 22:17:06,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:17:06,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:17:06,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:17:06,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:17:06,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:17:06,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:17:06,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:17:06,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:17:06,476 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:17:06,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:17:06,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:17:06,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:17:06,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:17:06,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:17:06,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:17:06,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:17:06,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:17:06,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:17:06,477 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:17:06,477 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:17:06,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:17:06,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:17:06,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:17:06,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:17:06,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:17:06,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:17:06,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:17:06,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:17:06,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:17:06,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:17:06,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:17:06,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:17:06,479 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:17:06,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:17:06,480 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:17:06,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:17:06,480 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:17:06,480 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_82f9d690-313a-45cc-985b-45e185438092/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb [2022-12-13 22:17:06,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:17:06,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:17:06,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:17:06,685 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:17:06,686 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:17:06,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-wmm/mix032.opt.i [2022-12-13 22:17:09,264 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:17:09,464 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:17:09,465 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/sv-benchmarks/c/pthread-wmm/mix032.opt.i [2022-12-13 22:17:09,475 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/data/63d822e90/02498f2da2614db896a197d639cddc4c/FLAG98632b59c [2022-12-13 22:17:09,824 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/data/63d822e90/02498f2da2614db896a197d639cddc4c [2022-12-13 22:17:09,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:17:09,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:17:09,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:17:09,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:17:09,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:17:09,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:17:09" (1/1) ... [2022-12-13 22:17:09,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d331aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:09, skipping insertion in model container [2022-12-13 22:17:09,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:17:09" (1/1) ... [2022-12-13 22:17:09,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:17:09,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:17:09,973 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_82f9d690-313a-45cc-985b-45e185438092/sv-benchmarks/c/pthread-wmm/mix032.opt.i[944,957] [2022-12-13 22:17:10,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,079 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:17:10,111 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:17:10,120 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_82f9d690-313a-45cc-985b-45e185438092/sv-benchmarks/c/pthread-wmm/mix032.opt.i[944,957] [2022-12-13 22:17:10,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 22:17:10,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 22:17:10,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:17:10,179 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:17:10,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10 WrapperNode [2022-12-13 22:17:10,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:17:10,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:17:10,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:17:10,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:17:10,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,212 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 141 [2022-12-13 22:17:10,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:17:10,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:17:10,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:17:10,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:17:10,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,229 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:17:10,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:17:10,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:17:10,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:17:10,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (1/1) ... [2022-12-13 22:17:10,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:17:10,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:17:10,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:17:10,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:17:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:17:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 22:17:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:17:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:17:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:17:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 22:17:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 22:17:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 22:17:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 22:17:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 22:17:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 22:17:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:17:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 22:17:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:17:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:17:10,302 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 22:17:10,420 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:17:10,422 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:17:10,664 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:17:10,764 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:17:10,764 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:17:10,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:17:10 BoogieIcfgContainer [2022-12-13 22:17:10,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:17:10,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:17:10,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:17:10,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:17:10,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:17:09" (1/3) ... [2022-12-13 22:17:10,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e812c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:17:10, skipping insertion in model container [2022-12-13 22:17:10,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:17:10" (2/3) ... [2022-12-13 22:17:10,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e812c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:17:10, skipping insertion in model container [2022-12-13 22:17:10,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:17:10" (3/3) ... [2022-12-13 22:17:10,775 INFO L112 eAbstractionObserver]: Analyzing ICFG mix032.opt.i [2022-12-13 22:17:10,783 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 22:17:10,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:17:10,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 22:17:10,791 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 22:17:10,849 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 22:17:10,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 126 transitions, 267 flow [2022-12-13 22:17:10,924 INFO L130 PetriNetUnfolder]: 2/123 cut-off events. [2022-12-13 22:17:10,925 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:17:10,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 123 events. 2/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-12-13 22:17:10,930 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 126 transitions, 267 flow [2022-12-13 22:17:10,934 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 123 transitions, 255 flow [2022-12-13 22:17:10,937 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:17:10,947 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 123 transitions, 255 flow [2022-12-13 22:17:10,950 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 123 transitions, 255 flow [2022-12-13 22:17:10,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 123 transitions, 255 flow [2022-12-13 22:17:10,978 INFO L130 PetriNetUnfolder]: 2/123 cut-off events. [2022-12-13 22:17:10,978 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:17:10,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 123 events. 2/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-12-13 22:17:10,981 INFO L119 LiptonReduction]: Number of co-enabled transitions 2776 [2022-12-13 22:17:13,609 INFO L134 LiptonReduction]: Checked pairs total: 8595 [2022-12-13 22:17:13,610 INFO L136 LiptonReduction]: Total number of compositions: 105 [2022-12-13 22:17:13,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:17:13,626 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b1c8ab2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:17:13,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-12-13 22:17:13,629 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-13 22:17:13,629 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:17:13,629 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:17:13,630 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 22:17:13,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 22:17:13,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:13,635 INFO L85 PathProgramCache]: Analyzing trace with hash 500671411, now seen corresponding path program 1 times [2022-12-13 22:17:13,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:13,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588744872] [2022-12-13 22:17:13,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:13,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:13,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:13,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588744872] [2022-12-13 22:17:13,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588744872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:13,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:13,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:17:13,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879302735] [2022-12-13 22:17:13,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:13,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:17:13,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:13,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:17:13,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:17:13,869 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 231 [2022-12-13 22:17:13,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 27 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:13,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:17:13,871 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 231 [2022-12-13 22:17:13,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:17:14,117 INFO L130 PetriNetUnfolder]: 873/1392 cut-off events. [2022-12-13 22:17:14,118 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-13 22:17:14,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2805 conditions, 1392 events. 873/1392 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6658 event pairs, 253 based on Foata normal form. 0/1111 useless extension candidates. Maximal degree in co-relation 2794. Up to 1079 conditions per place. [2022-12-13 22:17:14,126 INFO L137 encePairwiseOnDemand]: 221/231 looper letters, 36 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2022-12-13 22:17:14,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 181 flow [2022-12-13 22:17:14,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:17:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:17:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2022-12-13 22:17:14,136 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5252525252525253 [2022-12-13 22:17:14,136 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 364 transitions. [2022-12-13 22:17:14,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 364 transitions. [2022-12-13 22:17:14,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:17:14,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 364 transitions. [2022-12-13 22:17:14,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,145 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,146 INFO L175 Difference]: Start difference. First operand has 37 places, 27 transitions, 63 flow. Second operand 3 states and 364 transitions. [2022-12-13 22:17:14,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 181 flow [2022-12-13 22:17:14,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 43 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 22:17:14,150 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 96 flow [2022-12-13 22:17:14,152 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2022-12-13 22:17:14,154 INFO L288 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2022-12-13 22:17:14,154 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 96 flow [2022-12-13 22:17:14,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,154 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:17:14,154 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:17:14,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:17:14,155 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 22:17:14,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:14,155 INFO L85 PathProgramCache]: Analyzing trace with hash -651216640, now seen corresponding path program 1 times [2022-12-13 22:17:14,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:14,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856734634] [2022-12-13 22:17:14,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:14,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:14,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:14,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856734634] [2022-12-13 22:17:14,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856734634] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:14,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:14,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:17:14,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540415618] [2022-12-13 22:17:14,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:14,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:17:14,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:14,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:17:14,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:17:14,274 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 231 [2022-12-13 22:17:14,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:17:14,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 231 [2022-12-13 22:17:14,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:17:14,435 INFO L130 PetriNetUnfolder]: 671/1066 cut-off events. [2022-12-13 22:17:14,435 INFO L131 PetriNetUnfolder]: For 94/94 co-relation queries the response was YES. [2022-12-13 22:17:14,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 1066 events. 671/1066 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4786 event pairs, 205 based on Foata normal form. 0/945 useless extension candidates. Maximal degree in co-relation 2594. Up to 752 conditions per place. [2022-12-13 22:17:14,440 INFO L137 encePairwiseOnDemand]: 224/231 looper letters, 33 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2022-12-13 22:17:14,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 40 transitions, 188 flow [2022-12-13 22:17:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:17:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 22:17:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 464 transitions. [2022-12-13 22:17:14,442 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5021645021645021 [2022-12-13 22:17:14,442 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 464 transitions. [2022-12-13 22:17:14,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 464 transitions. [2022-12-13 22:17:14,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:17:14,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 464 transitions. [2022-12-13 22:17:14,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 231.0) internal successors, (1155), 5 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,446 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 231.0) internal successors, (1155), 5 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,446 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 96 flow. Second operand 4 states and 464 transitions. [2022-12-13 22:17:14,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 40 transitions, 188 flow [2022-12-13 22:17:14,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 40 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:17:14,447 INFO L231 Difference]: Finished difference. Result has 36 places, 27 transitions, 88 flow [2022-12-13 22:17:14,447 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=88, PETRI_PLACES=36, PETRI_TRANSITIONS=27} [2022-12-13 22:17:14,448 INFO L288 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2022-12-13 22:17:14,448 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 88 flow [2022-12-13 22:17:14,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,448 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:17:14,448 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:17:14,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:17:14,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 22:17:14,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:14,449 INFO L85 PathProgramCache]: Analyzing trace with hash -651216639, now seen corresponding path program 1 times [2022-12-13 22:17:14,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:14,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033403646] [2022-12-13 22:17:14,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:14,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:14,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:14,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033403646] [2022-12-13 22:17:14,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033403646] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:14,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:14,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:17:14,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807524042] [2022-12-13 22:17:14,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:14,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:17:14,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:14,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:17:14,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:17:14,522 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 231 [2022-12-13 22:17:14,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 88 flow. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:17:14,523 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 231 [2022-12-13 22:17:14,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:17:14,699 INFO L130 PetriNetUnfolder]: 520/827 cut-off events. [2022-12-13 22:17:14,699 INFO L131 PetriNetUnfolder]: For 304/304 co-relation queries the response was YES. [2022-12-13 22:17:14,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2000 conditions, 827 events. 520/827 cut-off events. For 304/304 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3513 event pairs, 177 based on Foata normal form. 0/806 useless extension candidates. Maximal degree in co-relation 1988. Up to 348 conditions per place. [2022-12-13 22:17:14,702 INFO L137 encePairwiseOnDemand]: 224/231 looper letters, 41 selfloop transitions, 7 changer transitions 3/54 dead transitions. [2022-12-13 22:17:14,702 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 54 transitions, 256 flow [2022-12-13 22:17:14,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:17:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 22:17:14,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 478 transitions. [2022-12-13 22:17:14,705 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5173160173160173 [2022-12-13 22:17:14,705 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 478 transitions. [2022-12-13 22:17:14,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 478 transitions. [2022-12-13 22:17:14,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:17:14,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 478 transitions. [2022-12-13 22:17:14,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 231.0) internal successors, (1155), 5 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,708 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 231.0) internal successors, (1155), 5 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,708 INFO L175 Difference]: Start difference. First operand has 36 places, 27 transitions, 88 flow. Second operand 4 states and 478 transitions. [2022-12-13 22:17:14,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 54 transitions, 256 flow [2022-12-13 22:17:14,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 54 transitions, 251 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 22:17:14,710 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 109 flow [2022-12-13 22:17:14,710 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2022-12-13 22:17:14,710 INFO L288 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2022-12-13 22:17:14,711 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 109 flow [2022-12-13 22:17:14,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,711 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:17:14,711 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:17:14,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:17:14,711 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-12-13 22:17:14,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:17:14,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2056235403, now seen corresponding path program 1 times [2022-12-13 22:17:14,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:17:14,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172521002] [2022-12-13 22:17:14,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:17:14,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:17:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:17:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:17:14,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:17:14,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172521002] [2022-12-13 22:17:14,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172521002] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:17:14,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:17:14,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:17:14,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771536983] [2022-12-13 22:17:14,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:17:14,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 22:17:14,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:17:14,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 22:17:14,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:17:14,826 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 231 [2022-12-13 22:17:14,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:14,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:17:14,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 231 [2022-12-13 22:17:14,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:17:15,003 INFO L130 PetriNetUnfolder]: 500/791 cut-off events. [2022-12-13 22:17:15,003 INFO L131 PetriNetUnfolder]: For 630/630 co-relation queries the response was YES. [2022-12-13 22:17:15,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2173 conditions, 791 events. 500/791 cut-off events. For 630/630 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3364 event pairs, 177 based on Foata normal form. 12/794 useless extension candidates. Maximal degree in co-relation 2160. Up to 348 conditions per place. [2022-12-13 22:17:15,005 INFO L137 encePairwiseOnDemand]: 224/231 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2022-12-13 22:17:15,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 48 transitions, 235 flow [2022-12-13 22:17:15,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:17:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 22:17:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 578 transitions. [2022-12-13 22:17:15,008 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5004329004329005 [2022-12-13 22:17:15,008 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 578 transitions. [2022-12-13 22:17:15,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 578 transitions. [2022-12-13 22:17:15,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:17:15,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 578 transitions. [2022-12-13 22:17:15,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 115.6) internal successors, (578), 5 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:15,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:15,013 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:15,013 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 109 flow. Second operand 5 states and 578 transitions. [2022-12-13 22:17:15,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 48 transitions, 235 flow [2022-12-13 22:17:15,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 48 transitions, 211 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-12-13 22:17:15,016 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2022-12-13 22:17:15,016 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2022-12-13 22:17:15,016 INFO L288 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2022-12-13 22:17:15,016 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2022-12-13 22:17:15,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:17:15,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-12-13 22:17:15,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-12-13 22:17:15,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-12-13 22:17:15,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-12-13 22:17:15,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-12-13 22:17:15,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-12-13 22:17:15,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:17:15,020 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 22:17:15,024 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 22:17:15,024 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:17:15,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:17:15 BasicIcfg [2022-12-13 22:17:15,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:17:15,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:17:15,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:17:15,028 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:17:15,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:17:10" (3/4) ... [2022-12-13 22:17:15,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 22:17:15,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-13 22:17:15,034 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-13 22:17:15,034 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-12-13 22:17:15,037 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-13 22:17:15,037 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 22:17:15,037 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 22:17:15,037 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 22:17:15,064 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:17:15,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:17:15,064 INFO L158 Benchmark]: Toolchain (without parser) took 5237.68ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 141.7MB in the beginning and 156.7MB in the end (delta: -15.0MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2022-12-13 22:17:15,065 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:17:15,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.27ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 114.9MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-13 22:17:15,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.53ms. Allocated memory is still 176.2MB. Free memory was 114.9MB in the beginning and 112.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:17:15,065 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 110.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:17:15,066 INFO L158 Benchmark]: RCFGBuilder took 534.01ms. Allocated memory is still 176.2MB. Free memory was 110.1MB in the beginning and 79.2MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 22:17:15,066 INFO L158 Benchmark]: TraceAbstraction took 4257.40ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 78.6MB in the beginning and 159.8MB in the end (delta: -81.2MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2022-12-13 22:17:15,066 INFO L158 Benchmark]: Witness Printer took 36.61ms. Allocated memory is still 211.8MB. Free memory was 159.8MB in the beginning and 156.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:17:15,068 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 176.2MB. Free memory is still 148.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.27ms. Allocated memory is still 176.2MB. Free memory was 141.3MB in the beginning and 114.9MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.53ms. Allocated memory is still 176.2MB. Free memory was 114.9MB in the beginning and 112.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 110.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.01ms. Allocated memory is still 176.2MB. Free memory was 110.1MB in the beginning and 79.2MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4257.40ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 78.6MB in the beginning and 159.8MB in the end (delta: -81.2MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Witness Printer took 36.61ms. Allocated memory is still 211.8MB. Free memory was 159.8MB in the beginning and 156.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 131 PlacesBefore, 37 PlacesAfterwards, 123 TransitionsBefore, 27 TransitionsAfterwards, 2776 CoEnabledTransitionPairs, 7 FixpointIterations, 46 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 105 TotalNumberOfCompositions, 8595 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3819, independent: 3550, independent conditional: 0, independent unconditional: 3550, dependent: 269, dependent conditional: 0, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1527, independent: 1480, independent conditional: 0, independent unconditional: 1480, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3819, independent: 2070, independent conditional: 0, independent unconditional: 2070, dependent: 222, dependent conditional: 0, dependent unconditional: 222, unknown: 1527, unknown conditional: 0, unknown unconditional: 1527] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 120, Positive conditional cache size: 0, Positive unconditional cache size: 120, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 795]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 830]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 160 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 10 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 22:17:15,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82f9d690-313a-45cc-985b-45e185438092/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