./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60cd4209446f80c263553fdb6a481b4dd4e668058f5fe80fa8786bdb8310f6e8 --- 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 [2022-12-14 09:51:05,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:51:05,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:51:05,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:51:05,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:51:05,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:51:05,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:51:05,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:51:05,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:51:05,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:51:05,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:51:05,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:51:05,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:51:05,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:51:05,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:51:05,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:51:05,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:51:05,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:51:05,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:51:05,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:51:05,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:51:05,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:51:05,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:51:05,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:51:05,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:51:05,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:51:05,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:51:05,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:51:05,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:51:05,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:51:05,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:51:05,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:51:05,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:51:05,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:51:05,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:51:05,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:51:05,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:51:05,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:51:05,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:51:05,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:51:05,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:51:05,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 09:51:05,495 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:51:05,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:51:05,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:51:05,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:51:05,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:51:05,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:51:05,497 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:51:05,497 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:51:05,497 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:51:05,497 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:51:05,498 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:51:05,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:51:05,498 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:51:05,498 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:51:05,498 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:51:05,498 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:51:05,499 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:51:05,499 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:51:05,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:51:05,500 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:51:05,501 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 09:51:05,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:51:05,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:51:05,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:51:05,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:51:05,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:51:05,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:51:05,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:51:05,502 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:51:05,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:51:05,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:51:05,503 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:51:05,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:51:05,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:51:05,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:51:05,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60cd4209446f80c263553fdb6a481b4dd4e668058f5fe80fa8786bdb8310f6e8 [2022-12-14 09:51:05,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:51:05,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:51:05,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:51:05,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:51:05,681 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:51:05,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 09:51:08,231 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:51:08,407 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:51:08,408 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/sv-benchmarks/c/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 09:51:08,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/data/e132d5ab4/b56d0e1d51ed4f59af7fe1ffa1a9b271/FLAGea37af48e [2022-12-14 09:51:08,428 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/data/e132d5ab4/b56d0e1d51ed4f59af7fe1ffa1a9b271 [2022-12-14 09:51:08,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:51:08,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:51:08,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:51:08,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:51:08,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:51:08,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c7f671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08, skipping insertion in model container [2022-12-14 09:51:08,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:51:08,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:51:08,583 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_0603fd2c-bde0-4e29-825e-a046b923e61a/sv-benchmarks/c/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[995,1008] [2022-12-14 09:51:08,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,703 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:51:08,715 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:51:08,723 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_0603fd2c-bde0-4e29-825e-a046b923e61a/sv-benchmarks/c/pthread-wmm/rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[995,1008] [2022-12-14 09:51:08,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 09:51:08,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 09:51:08,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:51:08,777 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:51:08,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08 WrapperNode [2022-12-14 09:51:08,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:51:08,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:51:08,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:51:08,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:51:08,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,812 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2022-12-14 09:51:08,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:51:08,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:51:08,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:51:08,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:51:08,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,837 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:51:08,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:51:08,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:51:08,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:51:08,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (1/1) ... [2022-12-14 09:51:08,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:51:08,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:51:08,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:51:08,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:51:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:51:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 09:51:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:51:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:51:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:51:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 09:51:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 09:51:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 09:51:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 09:51:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:51:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 09:51:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:51:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:51:08,910 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 09:51:09,017 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:51:09,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:51:09,262 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:51:09,341 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:51:09,341 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:51:09,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:51:09 BoogieIcfgContainer [2022-12-14 09:51:09,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:51:09,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:51:09,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:51:09,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:51:09,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:51:08" (1/3) ... [2022-12-14 09:51:09,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eab175f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:51:09, skipping insertion in model container [2022-12-14 09:51:09,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:08" (2/3) ... [2022-12-14 09:51:09,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eab175f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:51:09, skipping insertion in model container [2022-12-14 09:51:09,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:51:09" (3/3) ... [2022-12-14 09:51:09,350 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi007_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 09:51:09,357 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 09:51:09,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:51:09,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 09:51:09,365 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 09:51:09,405 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 09:51:09,437 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 09:51:09,450 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 98 transitions, 206 flow [2022-12-14 09:51:09,453 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 98 transitions, 206 flow [2022-12-14 09:51:09,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 98 transitions, 206 flow [2022-12-14 09:51:09,497 INFO L130 PetriNetUnfolder]: 2/96 cut-off events. [2022-12-14 09:51:09,498 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 09:51:09,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2022-12-14 09:51:09,504 INFO L119 LiptonReduction]: Number of co-enabled transitions 1446 [2022-12-14 09:51:12,174 INFO L134 LiptonReduction]: Checked pairs total: 4762 [2022-12-14 09:51:12,174 INFO L136 LiptonReduction]: Total number of compositions: 89 [2022-12-14 09:51:12,179 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 23 transitions, 56 flow [2022-12-14 09:51:12,203 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 236 states, 228 states have (on average 2.754385964912281) internal successors, (628), 235 states have internal predecessors, (628), 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) [2022-12-14 09:51:12,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:51:12,220 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=FINITE_AUTOMATA, 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;@771ffdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:51:12,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-14 09:51:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 236 states, 228 states have (on average 2.754385964912281) internal successors, (628), 235 states have internal predecessors, (628), 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) [2022-12-14 09:51:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 09:51:12,226 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:12,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 09:51:12,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-14 09:51:12,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:12,230 INFO L85 PathProgramCache]: Analyzing trace with hash 423858005, now seen corresponding path program 1 times [2022-12-14 09:51:12,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:51:12,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644644360] [2022-12-14 09:51:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:12,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:51:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:12,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:51:12,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644644360] [2022-12-14 09:51:12,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644644360] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:51:12,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:51:12,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 09:51:12,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814825124] [2022-12-14 09:51:12,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:51:12,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:51:12,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:51:12,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:51:12,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:51:12,493 INFO L87 Difference]: Start difference. First operand has 236 states, 228 states have (on average 2.754385964912281) internal successors, (628), 235 states have internal predecessors, (628), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-14 09:51:12,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:12,559 INFO L93 Difference]: Finished difference Result 84 states and 143 transitions. [2022-12-14 09:51:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:51:12,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) Word has length 5 [2022-12-14 09:51:12,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:12,566 INFO L225 Difference]: With dead ends: 84 [2022-12-14 09:51:12,566 INFO L226 Difference]: Without dead ends: 84 [2022-12-14 09:51:12,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:51:12,569 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 7 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:12,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:51:12,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-14 09:51:12,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-12-14 09:51:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 80 states have (on average 1.7875) internal successors, (143), 83 states have internal predecessors, (143), 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) [2022-12-14 09:51:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 143 transitions. [2022-12-14 09:51:12,597 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 143 transitions. Word has length 5 [2022-12-14 09:51:12,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:12,597 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 143 transitions. [2022-12-14 09:51:12,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-14 09:51:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 143 transitions. [2022-12-14 09:51:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 09:51:12,598 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:12,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:51:12,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:51:12,598 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-14 09:51:12,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:12,599 INFO L85 PathProgramCache]: Analyzing trace with hash -281104541, now seen corresponding path program 1 times [2022-12-14 09:51:12,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:51:12,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362498291] [2022-12-14 09:51:12,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:12,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:51:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:12,712 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:51:12,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362498291] [2022-12-14 09:51:12,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362498291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:51:12,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:51:12,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:51:12,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845147916] [2022-12-14 09:51:12,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:51:12,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:51:12,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:51:12,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:51:12,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:51:12,714 INFO L87 Difference]: Start difference. First operand 84 states and 143 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 09:51:12,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:12,771 INFO L93 Difference]: Finished difference Result 76 states and 129 transitions. [2022-12-14 09:51:12,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:51:12,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2022-12-14 09:51:12,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:12,773 INFO L225 Difference]: With dead ends: 76 [2022-12-14 09:51:12,773 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 09:51:12,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:51:12,774 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:12,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 8 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:51:12,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 09:51:12,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-14 09:51:12,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 74 states have (on average 1.7432432432432432) internal successors, (129), 75 states have internal predecessors, (129), 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) [2022-12-14 09:51:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 129 transitions. [2022-12-14 09:51:12,780 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 129 transitions. Word has length 12 [2022-12-14 09:51:12,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:12,780 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 129 transitions. [2022-12-14 09:51:12,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 09:51:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 129 transitions. [2022-12-14 09:51:12,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 09:51:12,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:12,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:51:12,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:51:12,782 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-12-14 09:51:12,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:12,782 INFO L85 PathProgramCache]: Analyzing trace with hash -124307284, now seen corresponding path program 1 times [2022-12-14 09:51:12,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:51:12,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556091989] [2022-12-14 09:51:12,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:12,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:51:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:12,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:51:12,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556091989] [2022-12-14 09:51:12,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556091989] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:51:12,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:51:12,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:51:12,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553366862] [2022-12-14 09:51:12,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:51:12,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:51:12,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:51:12,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:51:12,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:51:12,857 INFO L87 Difference]: Start difference. First operand 76 states and 129 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-14 09:51:12,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:12,896 INFO L93 Difference]: Finished difference Result 41 states and 67 transitions. [2022-12-14 09:51:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:51:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2022-12-14 09:51:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:12,897 INFO L225 Difference]: With dead ends: 41 [2022-12-14 09:51:12,897 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 09:51:12,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:51:12,898 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:12,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:51:12,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 09:51:12,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 09:51:12,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-12-14 09:51:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 09:51:12,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-12-14 09:51:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:12,899 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 09:51:12,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-12-14 09:51:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 09:51:12,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 09:51:12,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-14 09:51:12,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-14 09:51:12,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-14 09:51:12,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-14 09:51:12,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-12-14 09:51:12,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-12-14 09:51:12,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-14 09:51:12,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-14 09:51:12,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-14 09:51:12,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-14 09:51:12,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:51:12,905 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 09:51:12,909 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 09:51:12,909 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:51:12,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:51:12 BasicIcfg [2022-12-14 09:51:12,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:51:12,911 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:51:12,911 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:51:12,911 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:51:12,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:51:09" (3/4) ... [2022-12-14 09:51:12,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 09:51:12,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-12-14 09:51:12,918 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-12-14 09:51:12,920 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-14 09:51:12,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 09:51:12,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 09:51:12,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 09:51:12,953 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:51:12,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:51:12,954 INFO L158 Benchmark]: Toolchain (without parser) took 4522.31ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 110.9MB in the beginning and 120.4MB in the end (delta: -9.5MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-12-14 09:51:12,954 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:51:12,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.69ms. Allocated memory is still 146.8MB. Free memory was 110.3MB in the beginning and 85.6MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 09:51:12,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.04ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 83.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:51:12,955 INFO L158 Benchmark]: Boogie Preprocessor took 28.79ms. Allocated memory is still 146.8MB. Free memory was 83.0MB in the beginning and 81.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:51:12,955 INFO L158 Benchmark]: RCFGBuilder took 501.05ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 81.4MB in the beginning and 152.6MB in the end (delta: -71.2MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-12-14 09:51:12,956 INFO L158 Benchmark]: TraceAbstraction took 3565.62ms. Allocated memory is still 197.1MB. Free memory was 152.6MB in the beginning and 122.5MB in the end (delta: 30.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-12-14 09:51:12,956 INFO L158 Benchmark]: Witness Printer took 42.11ms. Allocated memory is still 197.1MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:51:12,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.69ms. Allocated memory is still 146.8MB. Free memory was 110.3MB in the beginning and 85.6MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.04ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 83.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.79ms. Allocated memory is still 146.8MB. Free memory was 83.0MB in the beginning and 81.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.05ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 81.4MB in the beginning and 152.6MB in the end (delta: -71.2MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3565.62ms. Allocated memory is still 197.1MB. Free memory was 152.6MB in the beginning and 122.5MB in the end (delta: 30.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 42.11ms. Allocated memory is still 197.1MB. Free memory was 122.5MB in the beginning and 120.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 103 PlacesBefore, 29 PlacesAfterwards, 98 TransitionsBefore, 23 TransitionsAfterwards, 1446 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 1 ChoiceCompositions, 89 TotalNumberOfCompositions, 4762 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2128, independent: 1927, independent conditional: 0, independent unconditional: 1927, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1085, independent: 1040, independent conditional: 0, independent unconditional: 1040, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1085, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 241, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2128, independent: 887, independent conditional: 0, independent unconditional: 887, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 1085, unknown conditional: 0, unknown unconditional: 1085] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 759]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 759]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 120 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 8 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-14 09:51:12,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0603fd2c-bde0-4e29-825e-a046b923e61a/bin/utaipan-gh47qXpMRh/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