./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/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_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0917507184a262ba6442de2995b8b922c1a1388e63695c7a63bfd1ed6f65ad74 --- 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 06:09:47,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:09:47,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:09:47,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:09:47,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:09:47,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:09:47,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:09:47,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:09:47,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:09:47,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:09:47,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:09:47,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:09:47,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:09:47,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:09:47,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:09:47,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:09:47,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:09:47,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:09:47,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:09:47,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:09:47,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:09:47,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:09:47,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:09:47,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:09:47,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:09:47,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:09:47,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:09:47,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:09:47,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:09:47,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:09:47,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:09:47,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:09:47,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:09:47,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:09:47,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:09:47,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:09:47,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:09:47,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:09:47,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:09:47,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:09:47,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:09:47,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 06:09:47,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:09:47,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:09:47,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:09:47,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:09:47,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:09:47,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:09:47,506 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:09:47,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:09:47,507 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:09:47,507 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:09:47,507 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:09:47,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:09:47,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:09:47,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:09:47,507 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:09:47,508 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:09:47,508 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:09:47,508 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:09:47,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 06:09:47,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 06:09:47,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:09:47,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:09:47,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:09:47,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:09:47,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:09:47,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:09:47,510 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 06:09:47,510 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 06:09:47,510 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 06:09:47,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:09:47,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:09:47,511 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:09:47,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:09:47,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:09:47,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:09:47,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:09:47,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:09:47,512 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:09:47,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:09:47,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:09:47,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:09:47,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:09:47,512 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_871d4baf-da56-4a7b-9435-c97e3fad161f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0917507184a262ba6442de2995b8b922c1a1388e63695c7a63bfd1ed6f65ad74 [2022-12-14 06:09:47,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:09:47,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:09:47,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:09:47,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:09:47,728 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:09:47,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 06:09:50,317 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:09:50,480 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:09:50,480 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 06:09:50,490 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/data/8af12685f/edeb8682f87b4d49a59cb686caa1b42b/FLAG1f7c1ba39 [2022-12-14 06:09:50,501 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/data/8af12685f/edeb8682f87b4d49a59cb686caa1b42b [2022-12-14 06:09:50,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:09:50,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:09:50,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:09:50,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:09:50,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:09:50,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67508edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50, skipping insertion in model container [2022-12-14 06:09:50,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:09:50,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:09:50,674 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_871d4baf-da56-4a7b-9435-c97e3fad161f/sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052] [2022-12-14 06:09:50,776 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,777 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,777 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,777 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,777 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,784 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,794 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,799 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:09:50,814 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:09:50,824 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_871d4baf-da56-4a7b-9435-c97e3fad161f/sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052] [2022-12-14 06:09:50,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,857 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:09:50,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:09:50,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:09:50,906 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:09:50,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50 WrapperNode [2022-12-14 06:09:50,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:09:50,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:09:50,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:09:50,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:09:50,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,951 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2022-12-14 06:09:50,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:09:50,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:09:50,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:09:50,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:09:50,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:09:50,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:09:50,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:09:50,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:09:50,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:09:50,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:09:51,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:09:51,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:09:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:09:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:09:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:09:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:09:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:09:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 06:09:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 06:09:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 06:09:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 06:09:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 06:09:51,037 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 06:09:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:09:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:09:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:09:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:09:51,039 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 06:09:51,150 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:09:51,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:09:51,433 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:09:51,507 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:09:51,507 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:09:51,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:09:51 BoogieIcfgContainer [2022-12-14 06:09:51,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:09:51,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:09:51,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:09:51,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:09:51,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:09:50" (1/3) ... [2022-12-14 06:09:51,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a44435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:09:51, skipping insertion in model container [2022-12-14 06:09:51,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50" (2/3) ... [2022-12-14 06:09:51,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a44435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:09:51, skipping insertion in model container [2022-12-14 06:09:51,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:09:51" (3/3) ... [2022-12-14 06:09:51,516 INFO L112 eAbstractionObserver]: Analyzing ICFG safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 06:09:51,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:09:51,531 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-12-14 06:09:51,531 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:09:51,572 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 06:09:51,597 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:09:51,608 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 125 transitions, 265 flow [2022-12-14 06:09:51,610 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 125 transitions, 265 flow [2022-12-14 06:09:51,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 125 transitions, 265 flow [2022-12-14 06:09:51,647 INFO L130 PetriNetUnfolder]: 2/122 cut-off events. [2022-12-14 06:09:51,647 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 06:09:51,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 122 events. 2/122 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-12-14 06:09:51,653 INFO L119 LiptonReduction]: Number of co-enabled transitions 2164 [2022-12-14 06:09:55,190 INFO L134 LiptonReduction]: Checked pairs total: 5621 [2022-12-14 06:09:55,190 INFO L136 LiptonReduction]: Total number of compositions: 123 [2022-12-14 06:09:55,197 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 34 transitions, 83 flow [2022-12-14 06:09:55,248 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 876 states, 863 states have (on average 3.2885283893395134) internal successors, (2838), 875 states have internal predecessors, (2838), 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 06:09:55,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:09:55,265 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@2770cd4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:09:55,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-12-14 06:09:55,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 876 states, 863 states have (on average 3.2885283893395134) internal successors, (2838), 875 states have internal predecessors, (2838), 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 06:09:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 06:09:55,272 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:55,272 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 06:09:55,273 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:55,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:55,276 INFO L85 PathProgramCache]: Analyzing trace with hash 529, now seen corresponding path program 1 times [2022-12-14 06:09:55,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:55,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209115426] [2022-12-14 06:09:55,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:55,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:55,361 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 06:09:55,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:55,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209115426] [2022-12-14 06:09:55,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209115426] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:55,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:55,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 06:09:55,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576526352] [2022-12-14 06:09:55,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:55,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:09:55,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:55,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:09:55,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:09:55,385 INFO L87 Difference]: Start difference. First operand has 876 states, 863 states have (on average 3.2885283893395134) internal successors, (2838), 875 states have internal predecessors, (2838), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 06:09:55,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:55,453 INFO L93 Difference]: Finished difference Result 818 states and 2578 transitions. [2022-12-14 06:09:55,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:09:55,461 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-12-14 06:09:55,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:55,475 INFO L225 Difference]: With dead ends: 818 [2022-12-14 06:09:55,475 INFO L226 Difference]: Without dead ends: 818 [2022-12-14 06:09:55,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:09:55,478 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:55,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:09:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2022-12-14 06:09:55,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2022-12-14 06:09:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 813 states have (on average 3.1709717097170973) internal successors, (2578), 817 states have internal predecessors, (2578), 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 06:09:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 2578 transitions. [2022-12-14 06:09:55,541 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 2578 transitions. Word has length 1 [2022-12-14 06:09:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:55,542 INFO L495 AbstractCegarLoop]: Abstraction has 818 states and 2578 transitions. [2022-12-14 06:09:55,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 06:09:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 2578 transitions. [2022-12-14 06:09:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 06:09:55,542 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:55,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 06:09:55,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:09:55,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:55,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:55,543 INFO L85 PathProgramCache]: Analyzing trace with hash 501069859, now seen corresponding path program 1 times [2022-12-14 06:09:55,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:55,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444392085] [2022-12-14 06:09:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:55,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:55,735 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 06:09:55,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:55,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444392085] [2022-12-14 06:09:55,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444392085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:55,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:55,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:09:55,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749521776] [2022-12-14 06:09:55,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:55,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:09:55,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:55,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:09:55,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:55,738 INFO L87 Difference]: Start difference. First operand 818 states and 2578 transitions. 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 06:09:55,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:55,798 INFO L93 Difference]: Finished difference Result 670 states and 2079 transitions. [2022-12-14 06:09:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:09:55,799 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 06:09:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:55,802 INFO L225 Difference]: With dead ends: 670 [2022-12-14 06:09:55,802 INFO L226 Difference]: Without dead ends: 650 [2022-12-14 06:09:55,803 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 06:09:55,803 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:55,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:09:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-12-14 06:09:55,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2022-12-14 06:09:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 648 states have (on average 3.1296296296296298) internal successors, (2028), 649 states have internal predecessors, (2028), 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 06:09:55,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 2028 transitions. [2022-12-14 06:09:55,822 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 2028 transitions. Word has length 5 [2022-12-14 06:09:55,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:55,822 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 2028 transitions. [2022-12-14 06:09:55,822 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 06:09:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 2028 transitions. [2022-12-14 06:09:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 06:09:55,823 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:55,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:55,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:09:55,823 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:55,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:55,823 INFO L85 PathProgramCache]: Analyzing trace with hash 224994606, now seen corresponding path program 1 times [2022-12-14 06:09:55,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:55,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638836821] [2022-12-14 06:09:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:55,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:55,968 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 06:09:55,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:55,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638836821] [2022-12-14 06:09:55,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638836821] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:55,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:55,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:09:55,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488808631] [2022-12-14 06:09:55,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:55,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:09:55,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:55,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:09:55,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:55,970 INFO L87 Difference]: Start difference. First operand 650 states and 2028 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 06:09:56,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:56,041 INFO L93 Difference]: Finished difference Result 820 states and 2494 transitions. [2022-12-14 06:09:56,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:09:56,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-12-14 06:09:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:56,044 INFO L225 Difference]: With dead ends: 820 [2022-12-14 06:09:56,044 INFO L226 Difference]: Without dead ends: 820 [2022-12-14 06:09:56,045 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 06:09:56,045 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:56,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:09:56,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2022-12-14 06:09:56,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 640. [2022-12-14 06:09:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 638 states have (on average 3.1191222570532915) internal successors, (1990), 639 states have internal predecessors, (1990), 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 06:09:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1990 transitions. [2022-12-14 06:09:56,061 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1990 transitions. Word has length 9 [2022-12-14 06:09:56,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:56,061 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 1990 transitions. [2022-12-14 06:09:56,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 06:09:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1990 transitions. [2022-12-14 06:09:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 06:09:56,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:56,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:56,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:09:56,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:56,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:56,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1615103396, now seen corresponding path program 1 times [2022-12-14 06:09:56,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:56,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552511657] [2022-12-14 06:09:56,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:56,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:56,169 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 06:09:56,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:56,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552511657] [2022-12-14 06:09:56,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552511657] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:56,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:56,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:09:56,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020161620] [2022-12-14 06:09:56,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:56,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:09:56,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:56,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:09:56,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:09:56,171 INFO L87 Difference]: Start difference. First operand 640 states and 1990 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 06:09:56,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:56,273 INFO L93 Difference]: Finished difference Result 866 states and 2638 transitions. [2022-12-14 06:09:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:09:56,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-12-14 06:09:56,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:56,277 INFO L225 Difference]: With dead ends: 866 [2022-12-14 06:09:56,277 INFO L226 Difference]: Without dead ends: 866 [2022-12-14 06:09:56,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:09:56,277 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 45 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:56,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 4 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:09:56,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2022-12-14 06:09:56,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 684. [2022-12-14 06:09:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 682 states have (on average 3.1363636363636362) internal successors, (2139), 683 states have internal predecessors, (2139), 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 06:09:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 2139 transitions. [2022-12-14 06:09:56,294 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 2139 transitions. Word has length 10 [2022-12-14 06:09:56,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:56,295 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 2139 transitions. [2022-12-14 06:09:56,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 06:09:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 2139 transitions. [2022-12-14 06:09:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 06:09:56,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:56,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:56,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:09:56,296 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:56,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:56,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1615101173, now seen corresponding path program 1 times [2022-12-14 06:09:56,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:56,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134919284] [2022-12-14 06:09:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:56,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:56,529 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 06:09:56,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:56,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134919284] [2022-12-14 06:09:56,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134919284] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:56,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:56,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:09:56,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680460231] [2022-12-14 06:09:56,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:56,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:09:56,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:56,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:09:56,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:09:56,531 INFO L87 Difference]: Start difference. First operand 684 states and 2139 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 06:09:56,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:56,685 INFO L93 Difference]: Finished difference Result 734 states and 2219 transitions. [2022-12-14 06:09:56,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:09:56,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2022-12-14 06:09:56,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:56,688 INFO L225 Difference]: With dead ends: 734 [2022-12-14 06:09:56,688 INFO L226 Difference]: Without dead ends: 634 [2022-12-14 06:09:56,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:09:56,689 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 28 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:56,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 21 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:09:56,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-12-14 06:09:56,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2022-12-14 06:09:56,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 632 states have (on average 3.107594936708861) internal successors, (1964), 633 states have internal predecessors, (1964), 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 06:09:56,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1964 transitions. [2022-12-14 06:09:56,703 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1964 transitions. Word has length 10 [2022-12-14 06:09:56,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:56,703 INFO L495 AbstractCegarLoop]: Abstraction has 634 states and 1964 transitions. [2022-12-14 06:09:56,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 06:09:56,703 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1964 transitions. [2022-12-14 06:09:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 06:09:56,704 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:56,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:56,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:09:56,704 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:56,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:56,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1471399074, now seen corresponding path program 1 times [2022-12-14 06:09:56,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:56,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754834095] [2022-12-14 06:09:56,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:56,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:56,804 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 06:09:56,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:56,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754834095] [2022-12-14 06:09:56,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754834095] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:56,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:56,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:09:56,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181001720] [2022-12-14 06:09:56,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:56,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:09:56,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:56,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:09:56,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:09:56,806 INFO L87 Difference]: Start difference. First operand 634 states and 1964 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 06:09:56,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:56,898 INFO L93 Difference]: Finished difference Result 912 states and 2732 transitions. [2022-12-14 06:09:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:09:56,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2022-12-14 06:09:56,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:56,902 INFO L225 Difference]: With dead ends: 912 [2022-12-14 06:09:56,902 INFO L226 Difference]: Without dead ends: 912 [2022-12-14 06:09:56,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:09:56,903 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 48 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:56,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 5 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:09:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2022-12-14 06:09:56,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 702. [2022-12-14 06:09:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 700 states have (on average 3.084285714285714) internal successors, (2159), 701 states have internal predecessors, (2159), 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 06:09:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 2159 transitions. [2022-12-14 06:09:56,919 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 2159 transitions. Word has length 11 [2022-12-14 06:09:56,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:56,919 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 2159 transitions. [2022-12-14 06:09:56,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 06:09:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2159 transitions. [2022-12-14 06:09:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 06:09:56,920 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:56,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:56,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:09:56,920 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:56,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:56,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1471402909, now seen corresponding path program 1 times [2022-12-14 06:09:56,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:56,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108076252] [2022-12-14 06:09:56,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:56,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:57,157 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 06:09:57,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:57,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108076252] [2022-12-14 06:09:57,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108076252] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:57,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:57,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:09:57,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912749951] [2022-12-14 06:09:57,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:57,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:09:57,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:57,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:09:57,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:09:57,159 INFO L87 Difference]: Start difference. First operand 702 states and 2159 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 06:09:57,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:57,401 INFO L93 Difference]: Finished difference Result 718 states and 2151 transitions. [2022-12-14 06:09:57,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 06:09:57,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2022-12-14 06:09:57,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:57,402 INFO L225 Difference]: With dead ends: 718 [2022-12-14 06:09:57,402 INFO L226 Difference]: Without dead ends: 398 [2022-12-14 06:09:57,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:09:57,403 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 45 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:57,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 21 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:09:57,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-12-14 06:09:57,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2022-12-14 06:09:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 396 states have (on average 2.9065656565656566) internal successors, (1151), 397 states have internal predecessors, (1151), 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 06:09:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 1151 transitions. [2022-12-14 06:09:57,411 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 1151 transitions. Word has length 11 [2022-12-14 06:09:57,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:57,411 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 1151 transitions. [2022-12-14 06:09:57,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 06:09:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1151 transitions. [2022-12-14 06:09:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 06:09:57,411 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:57,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:57,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:09:57,412 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:57,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:57,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1630979369, now seen corresponding path program 1 times [2022-12-14 06:09:57,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:57,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803289015] [2022-12-14 06:09:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:57,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:57,499 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 06:09:57,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:57,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803289015] [2022-12-14 06:09:57,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803289015] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:57,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:57,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:09:57,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662421780] [2022-12-14 06:09:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:57,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:09:57,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:57,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:09:57,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:09:57,501 INFO L87 Difference]: Start difference. First operand 398 states and 1151 transitions. Second operand has 4 states, 4 states have (on average 3.0) 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 06:09:57,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:57,583 INFO L93 Difference]: Finished difference Result 352 states and 884 transitions. [2022-12-14 06:09:57,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:09:57,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) 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 06:09:57,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:57,584 INFO L225 Difference]: With dead ends: 352 [2022-12-14 06:09:57,584 INFO L226 Difference]: Without dead ends: 284 [2022-12-14 06:09:57,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:09:57,585 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 31 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:57,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 10 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:09:57,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2022-12-14 06:09:57,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2022-12-14 06:09:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 282 states have (on average 2.50709219858156) internal successors, (707), 283 states have internal predecessors, (707), 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 06:09:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 707 transitions. [2022-12-14 06:09:57,590 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 707 transitions. Word has length 12 [2022-12-14 06:09:57,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:57,590 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 707 transitions. [2022-12-14 06:09:57,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) 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 06:09:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 707 transitions. [2022-12-14 06:09:57,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 06:09:57,594 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:57,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:57,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 06:09:57,595 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:57,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:57,595 INFO L85 PathProgramCache]: Analyzing trace with hash -98350202, now seen corresponding path program 1 times [2022-12-14 06:09:57,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:57,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418578030] [2022-12-14 06:09:57,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:57,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:57,695 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 06:09:57,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:57,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418578030] [2022-12-14 06:09:57,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418578030] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:57,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:57,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:09:57,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328000793] [2022-12-14 06:09:57,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:57,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:09:57,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:57,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:09:57,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:09:57,696 INFO L87 Difference]: Start difference. First operand 284 states and 707 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 06:09:57,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:57,802 INFO L93 Difference]: Finished difference Result 203 states and 445 transitions. [2022-12-14 06:09:57,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:09:57,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-12-14 06:09:57,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:57,803 INFO L225 Difference]: With dead ends: 203 [2022-12-14 06:09:57,803 INFO L226 Difference]: Without dead ends: 165 [2022-12-14 06:09:57,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:09:57,804 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 37 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:57,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 12 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:09:57,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-12-14 06:09:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-12-14 06:09:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 163 states have (on average 2.1717791411042944) internal successors, (354), 164 states have internal predecessors, (354), 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 06:09:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 354 transitions. [2022-12-14 06:09:57,807 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 354 transitions. Word has length 14 [2022-12-14 06:09:57,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:57,807 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 354 transitions. [2022-12-14 06:09:57,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 06:09:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 354 transitions. [2022-12-14 06:09:57,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:09:57,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:57,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:57,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 06:09:57,808 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:57,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:57,808 INFO L85 PathProgramCache]: Analyzing trace with hash 533705240, now seen corresponding path program 1 times [2022-12-14 06:09:57,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:57,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797884288] [2022-12-14 06:09:57,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:57,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:57,945 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 06:09:57,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:57,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797884288] [2022-12-14 06:09:57,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797884288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:57,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:57,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:09:57,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648626680] [2022-12-14 06:09:57,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:57,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:09:57,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:57,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:09:57,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:09:57,946 INFO L87 Difference]: Start difference. First operand 165 states and 354 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 06:09:58,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:58,039 INFO L93 Difference]: Finished difference Result 133 states and 288 transitions. [2022-12-14 06:09:58,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:09:58,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2022-12-14 06:09:58,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:58,040 INFO L225 Difference]: With dead ends: 133 [2022-12-14 06:09:58,040 INFO L226 Difference]: Without dead ends: 123 [2022-12-14 06:09:58,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:09:58,041 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 34 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:58,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 9 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:09:58,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-12-14 06:09:58,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2022-12-14 06:09:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 121 states have (on average 2.231404958677686) internal successors, (270), 122 states have internal predecessors, (270), 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 06:09:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 270 transitions. [2022-12-14 06:09:58,045 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 270 transitions. Word has length 17 [2022-12-14 06:09:58,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:58,045 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 270 transitions. [2022-12-14 06:09:58,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 06:09:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 270 transitions. [2022-12-14 06:09:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 06:09:58,045 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:58,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:58,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:09:58,046 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:58,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:58,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1113873991, now seen corresponding path program 1 times [2022-12-14 06:09:58,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:58,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577699518] [2022-12-14 06:09:58,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:58,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:58,169 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 06:09:58,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:58,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577699518] [2022-12-14 06:09:58,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577699518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:58,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:58,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:09:58,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189772753] [2022-12-14 06:09:58,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:58,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:09:58,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:58,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:09:58,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:09:58,171 INFO L87 Difference]: Start difference. First operand 123 states and 270 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 06:09:58,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:58,238 INFO L93 Difference]: Finished difference Result 154 states and 328 transitions. [2022-12-14 06:09:58,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:09:58,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2022-12-14 06:09:58,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:58,240 INFO L225 Difference]: With dead ends: 154 [2022-12-14 06:09:58,240 INFO L226 Difference]: Without dead ends: 154 [2022-12-14 06:09:58,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:09:58,241 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 21 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:58,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 6 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:09:58,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-12-14 06:09:58,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2022-12-14 06:09:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 150 states have (on average 2.18) internal successors, (327), 151 states have internal predecessors, (327), 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 06:09:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 327 transitions. [2022-12-14 06:09:58,245 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 327 transitions. Word has length 20 [2022-12-14 06:09:58,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:58,245 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 327 transitions. [2022-12-14 06:09:58,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 06:09:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 327 transitions. [2022-12-14 06:09:58,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 06:09:58,246 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:58,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:58,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:09:58,246 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:09:58,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:58,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1394589033, now seen corresponding path program 2 times [2022-12-14 06:09:58,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:58,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057136934] [2022-12-14 06:09:58,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:58,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:09:58,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:09:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:09:58,312 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 06:09:58,312 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:09:58,313 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (12 of 13 remaining) [2022-12-14 06:09:58,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (11 of 13 remaining) [2022-12-14 06:09:58,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 13 remaining) [2022-12-14 06:09:58,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 13 remaining) [2022-12-14 06:09:58,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 13 remaining) [2022-12-14 06:09:58,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 13 remaining) [2022-12-14 06:09:58,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 13 remaining) [2022-12-14 06:09:58,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 13 remaining) [2022-12-14 06:09:58,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (4 of 13 remaining) [2022-12-14 06:09:58,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-12-14 06:09:58,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2022-12-14 06:09:58,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2022-12-14 06:09:58,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 13 remaining) [2022-12-14 06:09:58,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 06:09:58,317 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:58,321 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 06:09:58,321 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:09:58,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:09:58 BasicIcfg [2022-12-14 06:09:58,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:09:58,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:09:58,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:09:58,355 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:09:58,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:09:51" (3/4) ... [2022-12-14 06:09:58,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 06:09:58,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:09:58,358 INFO L158 Benchmark]: Toolchain (without parser) took 7853.56ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 85.0MB in the beginning and 83.0MB in the end (delta: 2.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-12-14 06:09:58,358 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:09:58,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.61ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 59.1MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 06:09:58,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.91ms. Allocated memory is still 130.0MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:09:58,358 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 130.0MB. Free memory was 56.6MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:09:58,359 INFO L158 Benchmark]: RCFGBuilder took 526.83ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 54.4MB in the beginning and 110.0MB in the end (delta: -55.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-12-14 06:09:58,359 INFO L158 Benchmark]: TraceAbstraction took 6843.68ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 83.0MB in the end (delta: 27.1MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-12-14 06:09:58,359 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 161.5MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:09:58,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.61ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 59.1MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.91ms. Allocated memory is still 130.0MB. Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 130.0MB. Free memory was 56.6MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.83ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 54.4MB in the beginning and 110.0MB in the end (delta: -55.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6843.68ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 83.0MB in the end (delta: 27.1MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 161.5MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 133 PlacesBefore, 43 PlacesAfterwards, 125 TransitionsBefore, 34 TransitionsAfterwards, 2164 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 123 TotalNumberOfCompositions, 5621 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2817, independent: 2652, independent conditional: 0, independent unconditional: 2652, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1534, independent: 1481, independent conditional: 0, independent unconditional: 1481, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1534, independent: 1459, independent conditional: 0, independent unconditional: 1459, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 288, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 265, dependent conditional: 0, dependent unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2817, independent: 1171, independent conditional: 0, independent unconditional: 1171, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 1534, unknown conditional: 0, unknown unconditional: 1534] , Statistics on independence cache: Total cache size (in pairs): 166, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, 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 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L833] 0 pthread_t t2345; [L834] FCALL, FORK 0 pthread_create(&t2345, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2345, ((void *)0), P0, ((void *)0))=-2, t2345={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L835] 0 pthread_t t2346; [L836] FCALL, FORK 0 pthread_create(&t2346, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2346, ((void *)0), P1, ((void *)0))=-1, t2345={5:0}, t2346={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L837] 0 pthread_t t2347; [L838] FCALL, FORK 0 pthread_create(&t2347, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2347, ((void *)0), P2, ((void *)0))=0, t2345={5:0}, t2346={6:0}, t2347={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L776] 2 x$w_buff1 = x$w_buff0 [L777] 2 x$w_buff0 = 1 [L778] 2 x$w_buff1_used = x$w_buff0_used [L779] 2 x$w_buff0_used = (_Bool)1 [L780] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L780] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L781] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L782] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L783] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L784] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L785] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L788] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L805] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L808] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L811] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L812] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L813] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L814] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L815] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L746] 1 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L751] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L752] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L753] 1 x$flush_delayed = weak$$choice2 [L754] 1 x$mem_tmp = x [L755] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L756] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L757] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L758] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L759] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L761] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 __unbuffered_p0_EAX = x [L763] 1 x = x$flush_delayed ? x$mem_tmp : x [L764] 1 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L842] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L842] RET 0 assume_abort_if_not(main$tmp_guard0) [L844] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L845] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L846] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L847] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L848] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2345={5:0}, t2346={6:0}, t2347={3:0}, weak$$choice0=66, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L851] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L853] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 151 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 311 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 979 IncrementalHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 36 mSDtfsCounter, 979 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=876occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 574 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 797 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 06:09:58,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/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_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0917507184a262ba6442de2995b8b922c1a1388e63695c7a63bfd1ed6f65ad74 --- 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 06:10:00,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:10:00,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:10:00,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:10:00,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:10:00,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:10:00,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:10:00,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:10:00,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:10:00,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:10:00,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:10:00,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:10:00,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:10:00,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:10:00,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:10:00,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:10:00,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:10:00,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:10:00,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:10:00,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:10:00,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:10:00,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:10:00,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:10:00,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:10:00,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:10:00,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:10:00,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:10:00,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:10:00,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:10:00,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:10:00,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:10:00,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:10:00,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:10:00,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:10:00,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:10:00,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:10:00,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:10:00,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:10:00,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:10:00,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:10:00,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:10:00,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 06:10:00,254 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:10:00,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:10:00,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:10:00,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:10:00,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:10:00,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:10:00,256 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:10:00,256 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:10:00,256 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:10:00,257 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:10:00,257 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:10:00,257 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:10:00,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 06:10:00,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 06:10:00,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:10:00,258 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:10:00,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:10:00,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:10:00,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:10:00,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:10:00,259 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 06:10:00,259 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 06:10:00,260 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 06:10:00,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:10:00,260 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:10:00,260 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:10:00,260 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:10:00,261 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:10:00,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:10:00,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:10:00,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:10:00,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:10:00,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:10:00,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:10:00,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:10:00,268 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:10:00,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:10:00,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:10:00,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:10:00,268 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_871d4baf-da56-4a7b-9435-c97e3fad161f/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_871d4baf-da56-4a7b-9435-c97e3fad161f/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 0917507184a262ba6442de2995b8b922c1a1388e63695c7a63bfd1ed6f65ad74 [2022-12-14 06:10:00,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:10:00,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:10:00,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:10:00,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:10:00,490 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:10:00,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 06:10:03,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:10:03,382 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:10:03,383 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 06:10:03,394 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/data/c1f7237b3/f3d60c14cc464234bc85ba93119e4835/FLAG5238ad607 [2022-12-14 06:10:03,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/data/c1f7237b3/f3d60c14cc464234bc85ba93119e4835 [2022-12-14 06:10:03,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:10:03,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:10:03,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:10:03,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:10:03,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:10:03,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1469c7ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03, skipping insertion in model container [2022-12-14 06:10:03,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:10:03,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:10:03,563 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_871d4baf-da56-4a7b-9435-c97e3fad161f/sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052] [2022-12-14 06:10:03,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:10:03,711 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:10:03,721 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_871d4baf-da56-4a7b-9435-c97e3fad161f/sv-benchmarks/c/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[1039,1052] [2022-12-14 06:10:03,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:10:03,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:10:03,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:10:03,806 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:10:03,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03 WrapperNode [2022-12-14 06:10:03,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:10:03,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:10:03,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:10:03,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:10:03,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,840 INFO L138 Inliner]: procedures = 179, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130 [2022-12-14 06:10:03,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:10:03,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:10:03,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:10:03,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:10:03,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,859 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:10:03,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:10:03,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:10:03,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:10:03,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (1/1) ... [2022-12-14 06:10:03,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:10:03,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:10:03,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:10:03,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:10:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:10:03,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:10:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:10:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:10:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 06:10:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 06:10:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 06:10:03,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 06:10:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 06:10:03,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 06:10:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 06:10:03,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 06:10:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:10:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:10:03,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:10:03,925 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 06:10:04,036 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:10:04,037 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:10:04,307 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:10:04,402 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:10:04,402 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:10:04,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:10:04 BoogieIcfgContainer [2022-12-14 06:10:04,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:10:04,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:10:04,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:10:04,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:10:04,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:10:03" (1/3) ... [2022-12-14 06:10:04,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bd8aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:10:04, skipping insertion in model container [2022-12-14 06:10:04,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:10:03" (2/3) ... [2022-12-14 06:10:04,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bd8aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:10:04, skipping insertion in model container [2022-12-14 06:10:04,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:10:04" (3/3) ... [2022-12-14 06:10:04,411 INFO L112 eAbstractionObserver]: Analyzing ICFG safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2022-12-14 06:10:04,424 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:10:04,425 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-12-14 06:10:04,425 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:10:04,471 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 06:10:04,494 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:10:04,505 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 126 transitions, 267 flow [2022-12-14 06:10:04,507 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 126 transitions, 267 flow [2022-12-14 06:10:04,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 126 transitions, 267 flow [2022-12-14 06:10:04,541 INFO L130 PetriNetUnfolder]: 2/123 cut-off events. [2022-12-14 06:10:04,542 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 06:10:04,549 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 76 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2022-12-14 06:10:04,551 INFO L119 LiptonReduction]: Number of co-enabled transitions 2164 [2022-12-14 06:10:11,381 INFO L134 LiptonReduction]: Checked pairs total: 5169 [2022-12-14 06:10:11,381 INFO L136 LiptonReduction]: Total number of compositions: 132 [2022-12-14 06:10:11,386 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 34 transitions, 83 flow [2022-12-14 06:10:11,431 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 876 states, 863 states have (on average 3.2885283893395134) internal successors, (2838), 875 states have internal predecessors, (2838), 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 06:10:11,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:10:11,449 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@715ff701, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:10:11,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-12-14 06:10:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 876 states, 863 states have (on average 3.2885283893395134) internal successors, (2838), 875 states have internal predecessors, (2838), 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 06:10:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 06:10:11,456 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:11,456 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 06:10:11,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:11,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:11,460 INFO L85 PathProgramCache]: Analyzing trace with hash 541, now seen corresponding path program 1 times [2022-12-14 06:10:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:11,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590065608] [2022-12-14 06:10:11,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:11,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:11,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:11,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:11,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 06:10:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:11,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 06:10:11,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:10:11,535 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 06:10:11,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:10:11,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:10:11,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590065608] [2022-12-14 06:10:11,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590065608] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:11,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:11,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 06:10:11,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076879585] [2022-12-14 06:10:11,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:11,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:10:11,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:10:11,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:10:11,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:10:11,563 INFO L87 Difference]: Start difference. First operand has 876 states, 863 states have (on average 3.2885283893395134) internal successors, (2838), 875 states have internal predecessors, (2838), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 06:10:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:11,672 INFO L93 Difference]: Finished difference Result 818 states and 2578 transitions. [2022-12-14 06:10:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:10:11,674 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-12-14 06:10:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:11,694 INFO L225 Difference]: With dead ends: 818 [2022-12-14 06:10:11,694 INFO L226 Difference]: Without dead ends: 818 [2022-12-14 06:10:11,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:10:11,697 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:11,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:10:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2022-12-14 06:10:11,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818. [2022-12-14 06:10:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 813 states have (on average 3.1709717097170973) internal successors, (2578), 817 states have internal predecessors, (2578), 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 06:10:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 2578 transitions. [2022-12-14 06:10:11,781 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 2578 transitions. Word has length 1 [2022-12-14 06:10:11,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:11,781 INFO L495 AbstractCegarLoop]: Abstraction has 818 states and 2578 transitions. [2022-12-14 06:10:11,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 06:10:11,782 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 2578 transitions. [2022-12-14 06:10:11,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 06:10:11,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:11,782 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 06:10:11,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:10:11,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:11,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:11,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:11,987 INFO L85 PathProgramCache]: Analyzing trace with hash 513141046, now seen corresponding path program 1 times [2022-12-14 06:10:11,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:11,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616012277] [2022-12-14 06:10:11,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:11,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:11,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:11,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:11,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 06:10:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:12,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 06:10:12,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:10:12,219 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 06:10:12,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:10:12,220 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:10:12,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616012277] [2022-12-14 06:10:12,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616012277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:12,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:12,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:10:12,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820887622] [2022-12-14 06:10:12,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:12,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:12,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:10:12,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:12,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:12,222 INFO L87 Difference]: Start difference. First operand 818 states and 2578 transitions. 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 06:10:12,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:12,299 INFO L93 Difference]: Finished difference Result 670 states and 2079 transitions. [2022-12-14 06:10:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:12,300 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 06:10:12,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:12,303 INFO L225 Difference]: With dead ends: 670 [2022-12-14 06:10:12,303 INFO L226 Difference]: Without dead ends: 650 [2022-12-14 06:10:12,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 06:10:12,304 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:12,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:10:12,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-12-14 06:10:12,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2022-12-14 06:10:12,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 648 states have (on average 3.1296296296296298) internal successors, (2028), 649 states have internal predecessors, (2028), 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 06:10:12,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 2028 transitions. [2022-12-14 06:10:12,320 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 2028 transitions. Word has length 5 [2022-12-14 06:10:12,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:12,320 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 2028 transitions. [2022-12-14 06:10:12,320 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 06:10:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 2028 transitions. [2022-12-14 06:10:12,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 06:10:12,321 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:12,321 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:12,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 06:10:12,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:12,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:12,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:12,524 INFO L85 PathProgramCache]: Analyzing trace with hash 412307820, now seen corresponding path program 1 times [2022-12-14 06:10:12,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:12,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272446292] [2022-12-14 06:10:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:12,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:12,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:12,540 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:12,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 06:10:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:12,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 06:10:12,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:10:12,742 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 06:10:12,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:10:12,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:10:12,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1272446292] [2022-12-14 06:10:12,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1272446292] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:12,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:12,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:10:12,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894213967] [2022-12-14 06:10:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:12,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:12,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:10:12,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:12,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:12,745 INFO L87 Difference]: Start difference. First operand 650 states and 2028 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 06:10:12,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:12,819 INFO L93 Difference]: Finished difference Result 410 states and 1068 transitions. [2022-12-14 06:10:12,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:12,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2022-12-14 06:10:12,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:12,821 INFO L225 Difference]: With dead ends: 410 [2022-12-14 06:10:12,821 INFO L226 Difference]: Without dead ends: 410 [2022-12-14 06:10:12,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 06:10:12,822 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:12,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:10:12,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-12-14 06:10:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2022-12-14 06:10:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 408 states have (on average 2.6176470588235294) internal successors, (1068), 409 states have internal predecessors, (1068), 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 06:10:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 1068 transitions. [2022-12-14 06:10:12,832 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 1068 transitions. Word has length 10 [2022-12-14 06:10:12,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:12,832 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 1068 transitions. [2022-12-14 06:10:12,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 06:10:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 1068 transitions. [2022-12-14 06:10:12,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 06:10:12,833 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:12,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:12,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 06:10:13,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:13,034 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:13,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:13,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1416170938, now seen corresponding path program 1 times [2022-12-14 06:10:13,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:13,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053398567] [2022-12-14 06:10:13,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:13,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:13,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:13,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:13,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 06:10:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:13,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 06:10:13,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:10:13,133 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 06:10:13,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:10:13,134 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:10:13,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053398567] [2022-12-14 06:10:13,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053398567] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:13,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:13,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:13,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700095569] [2022-12-14 06:10:13,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:13,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:10:13,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:10:13,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:10:13,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:10:13,135 INFO L87 Difference]: Start difference. First operand 410 states and 1068 transitions. Second operand has 4 states, 4 states have (on average 3.25) 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 06:10:13,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:13,229 INFO L93 Difference]: Finished difference Result 210 states and 468 transitions. [2022-12-14 06:10:13,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:10:13,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) 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 06:10:13,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:13,231 INFO L225 Difference]: With dead ends: 210 [2022-12-14 06:10:13,231 INFO L226 Difference]: Without dead ends: 210 [2022-12-14 06:10:13,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 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 06:10:13,231 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 18 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:13,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 8 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:10:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-12-14 06:10:13,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2022-12-14 06:10:13,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 208 states have (on average 2.25) internal successors, (468), 209 states have internal predecessors, (468), 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 06:10:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 468 transitions. [2022-12-14 06:10:13,236 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 468 transitions. Word has length 13 [2022-12-14 06:10:13,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:13,236 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 468 transitions. [2022-12-14 06:10:13,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) 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 06:10:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 468 transitions. [2022-12-14 06:10:13,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 06:10:13,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:13,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:13,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 06:10:13,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:13,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:13,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:13,440 INFO L85 PathProgramCache]: Analyzing trace with hash 2066380991, now seen corresponding path program 1 times [2022-12-14 06:10:13,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:13,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429594712] [2022-12-14 06:10:13,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:13,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:13,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:13,445 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:13,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 06:10:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:13,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 06:10:13,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:10:13,632 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 06:10:13,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:10:13,632 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:10:13,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429594712] [2022-12-14 06:10:13,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429594712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:13,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:13,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:10:13,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071243756] [2022-12-14 06:10:13,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:13,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:13,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:10:13,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:13,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:13,634 INFO L87 Difference]: Start difference. First operand 210 states and 468 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 06:10:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:13,743 INFO L93 Difference]: Finished difference Result 155 states and 358 transitions. [2022-12-14 06:10:13,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:10:13,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2022-12-14 06:10:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:13,744 INFO L225 Difference]: With dead ends: 155 [2022-12-14 06:10:13,745 INFO L226 Difference]: Without dead ends: 155 [2022-12-14 06:10:13,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:13,746 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 25 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:13,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 18 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:10:13,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-12-14 06:10:13,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2022-12-14 06:10:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 153 states have (on average 2.3398692810457518) internal successors, (358), 154 states have internal predecessors, (358), 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 06:10:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 358 transitions. [2022-12-14 06:10:13,751 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 358 transitions. Word has length 17 [2022-12-14 06:10:13,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:13,751 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 358 transitions. [2022-12-14 06:10:13,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 06:10:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 358 transitions. [2022-12-14 06:10:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 06:10:13,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:13,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:13,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 06:10:13,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:13,953 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:13,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:13,953 INFO L85 PathProgramCache]: Analyzing trace with hash -981940995, now seen corresponding path program 1 times [2022-12-14 06:10:13,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:13,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412056271] [2022-12-14 06:10:13,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:13,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:13,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:13,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:13,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-14 06:10:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:14,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 06:10:14,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:10:14,077 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 06:10:14,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:10:14,077 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:10:14,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412056271] [2022-12-14 06:10:14,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412056271] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:14,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:14,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:14,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811102957] [2022-12-14 06:10:14,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:14,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:14,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:10:14,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:14,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:14,079 INFO L87 Difference]: Start difference. First operand 155 states and 358 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 06:10:14,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:14,175 INFO L93 Difference]: Finished difference Result 207 states and 466 transitions. [2022-12-14 06:10:14,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:10:14,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2022-12-14 06:10:14,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:14,176 INFO L225 Difference]: With dead ends: 207 [2022-12-14 06:10:14,176 INFO L226 Difference]: Without dead ends: 207 [2022-12-14 06:10:14,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:10:14,177 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:14,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 6 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:10:14,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2022-12-14 06:10:14,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 206. [2022-12-14 06:10:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 204 states have (on average 2.284313725490196) internal successors, (466), 205 states have internal predecessors, (466), 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 06:10:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 466 transitions. [2022-12-14 06:10:14,181 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 466 transitions. Word has length 21 [2022-12-14 06:10:14,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:14,181 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 466 transitions. [2022-12-14 06:10:14,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 06:10:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 466 transitions. [2022-12-14 06:10:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 06:10:14,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:14,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:14,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-14 06:10:14,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:14,382 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:14,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:14,383 INFO L85 PathProgramCache]: Analyzing trace with hash -981940978, now seen corresponding path program 1 times [2022-12-14 06:10:14,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:14,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251999242] [2022-12-14 06:10:14,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:14,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:14,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:14,384 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:14,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 06:10:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:14,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 06:10:14,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:10:14,795 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 06:10:14,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:10:14,795 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:10:14,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251999242] [2022-12-14 06:10:14,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251999242] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:14,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:14,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:14,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037347676] [2022-12-14 06:10:14,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:14,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:14,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:10:14,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:14,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:14,796 INFO L87 Difference]: Start difference. First operand 206 states and 466 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 06:10:14,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:14,943 INFO L93 Difference]: Finished difference Result 205 states and 464 transitions. [2022-12-14 06:10:14,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:10:14,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2022-12-14 06:10:14,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:14,944 INFO L225 Difference]: With dead ends: 205 [2022-12-14 06:10:14,944 INFO L226 Difference]: Without dead ends: 122 [2022-12-14 06:10:14,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:14,945 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 11 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:14,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 9 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 06:10:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2022-12-14 06:10:14,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2022-12-14 06:10:14,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 2.2231404958677685) internal successors, (269), 121 states have internal predecessors, (269), 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 06:10:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 269 transitions. [2022-12-14 06:10:14,948 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 269 transitions. Word has length 21 [2022-12-14 06:10:14,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:14,948 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 269 transitions. [2022-12-14 06:10:14,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 06:10:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 269 transitions. [2022-12-14 06:10:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 06:10:14,948 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:14,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:14,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-14 06:10:15,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:15,151 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:15,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:15,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1389854017, now seen corresponding path program 2 times [2022-12-14 06:10:15,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:15,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479532556] [2022-12-14 06:10:15,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 06:10:15,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:15,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:15,157 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:15,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 06:10:15,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-14 06:10:15,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 06:10:15,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 06:10:15,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:10:15,523 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 06:10:15,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:10:15,523 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:10:15,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479532556] [2022-12-14 06:10:15,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479532556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:15,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:15,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 06:10:15,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182023399] [2022-12-14 06:10:15,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:15,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 06:10:15,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:10:15,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 06:10:15,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:10:15,524 INFO L87 Difference]: Start difference. First operand 122 states and 269 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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 06:10:15,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:15,745 INFO L93 Difference]: Finished difference Result 179 states and 368 transitions. [2022-12-14 06:10:15,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 06:10:15,745 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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 21 [2022-12-14 06:10:15,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:15,746 INFO L225 Difference]: With dead ends: 179 [2022-12-14 06:10:15,746 INFO L226 Difference]: Without dead ends: 131 [2022-12-14 06:10:15,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-12-14 06:10:15,747 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 42 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:15,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 17 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:10:15,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-12-14 06:10:15,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 122. [2022-12-14 06:10:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 2.1074380165289255) internal successors, (255), 121 states have internal predecessors, (255), 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 06:10:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 255 transitions. [2022-12-14 06:10:15,751 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 255 transitions. Word has length 21 [2022-12-14 06:10:15,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:15,751 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 255 transitions. [2022-12-14 06:10:15,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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 06:10:15,751 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 255 transitions. [2022-12-14 06:10:15,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 06:10:15,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:15,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:15,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-14 06:10:15,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:15,954 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 06:10:15,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:15,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2128884125, now seen corresponding path program 3 times [2022-12-14 06:10:15,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:10:15,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859864380] [2022-12-14 06:10:15,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 06:10:15,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:15,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:10:15,960 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 06:10:15,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-14 06:10:16,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 06:10:16,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-12-14 06:10:16,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:10:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:10:16,271 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 06:10:16,272 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:10:16,273 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (12 of 13 remaining) [2022-12-14 06:10:16,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (11 of 13 remaining) [2022-12-14 06:10:16,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 13 remaining) [2022-12-14 06:10:16,274 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 13 remaining) [2022-12-14 06:10:16,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 13 remaining) [2022-12-14 06:10:16,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 13 remaining) [2022-12-14 06:10:16,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 13 remaining) [2022-12-14 06:10:16,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 13 remaining) [2022-12-14 06:10:16,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (4 of 13 remaining) [2022-12-14 06:10:16,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-12-14 06:10:16,275 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2022-12-14 06:10:16,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2022-12-14 06:10:16,276 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 13 remaining) [2022-12-14 06:10:16,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-14 06:10:16,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 06:10:16,480 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:16,485 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 06:10:16,485 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:10:16,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:10:16 BasicIcfg [2022-12-14 06:10:16,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:10:16,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:10:16,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:10:16,531 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:10:16,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:10:04" (3/4) ... [2022-12-14 06:10:16,534 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 06:10:16,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:10:16,534 INFO L158 Benchmark]: Toolchain (without parser) took 13127.05ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 64.0MB in the beginning and 72.7MB in the end (delta: -8.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-12-14 06:10:16,534 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:10:16,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.93ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 60.6MB in the end (delta: 3.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-12-14 06:10:16,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.83ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:10:16,535 INFO L158 Benchmark]: Boogie Preprocessor took 21.57ms. Allocated memory is still 88.1MB. Free memory was 58.0MB in the beginning and 56.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:10:16,535 INFO L158 Benchmark]: RCFGBuilder took 541.83ms. Allocated memory is still 88.1MB. Free memory was 55.9MB in the beginning and 52.0MB in the end (delta: 4.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-12-14 06:10:16,535 INFO L158 Benchmark]: TraceAbstraction took 12124.88ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.5MB in the beginning and 72.7MB in the end (delta: -21.2MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-12-14 06:10:16,535 INFO L158 Benchmark]: Witness Printer took 2.69ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 72.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:10:16,536 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 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.93ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 60.6MB in the end (delta: 3.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.83ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 58.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.57ms. Allocated memory is still 88.1MB. Free memory was 58.0MB in the beginning and 56.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.83ms. Allocated memory is still 88.1MB. Free memory was 55.9MB in the beginning and 52.0MB in the end (delta: 4.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12124.88ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.5MB in the beginning and 72.7MB in the end (delta: -21.2MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 2.69ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 72.7MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9s, 134 PlacesBefore, 43 PlacesAfterwards, 126 TransitionsBefore, 34 TransitionsAfterwards, 2164 CoEnabledTransitionPairs, 6 FixpointIterations, 56 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 132 TotalNumberOfCompositions, 5169 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2623, independent: 2486, independent conditional: 0, independent unconditional: 2486, dependent: 137, dependent conditional: 0, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1488, independent: 1441, independent conditional: 0, independent unconditional: 1441, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1488, independent: 1422, independent conditional: 0, independent unconditional: 1422, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 246, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 218, dependent conditional: 0, dependent unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2623, independent: 1045, independent conditional: 0, independent unconditional: 1045, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 1488, unknown conditional: 0, unknown unconditional: 1488] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 135, Positive conditional cache size: 0, Positive unconditional cache size: 135, 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 - 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 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L833] 0 pthread_t t2345; [L834] FCALL, FORK 0 pthread_create(&t2345, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2345, ((void *)0), P0, ((void *)0))=4194303, t2345={-6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L835] 0 pthread_t t2346; [L836] FCALL, FORK 0 pthread_create(&t2346, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2346, ((void *)0), P1, ((void *)0))=4194304, t2345={-6:0}, t2346={-10:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L776] 2 x$w_buff1 = x$w_buff0 [L777] 2 x$w_buff0 = 1 [L778] 2 x$w_buff1_used = x$w_buff0_used [L779] 2 x$w_buff0_used = (_Bool)1 [L780] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L780] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L781] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L782] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L783] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L784] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L785] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L837] 0 pthread_t t2347; [L838] FCALL, FORK 0 pthread_create(&t2347, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2347, ((void *)0), P2, ((void *)0))=4194305, t2345={-6:0}, t2346={-10:0}, t2347={-2:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L788] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L805] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L808] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L811] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L812] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L813] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L814] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L815] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; [L746] 1 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L751] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L752] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L753] 1 x$flush_delayed = weak$$choice2 [L754] 1 x$mem_tmp = x [L755] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L756] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L757] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L758] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L759] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L761] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 __unbuffered_p0_EAX = x [L763] 1 x = x$flush_delayed ? x$mem_tmp : x [L764] 1 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L771] 1 return 0; [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L842] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L842] RET 0 assume_abort_if_not(main$tmp_guard0) [L844] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L845] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L846] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L847] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L848] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2345={-6:0}, t2346={-10:0}, t2347={-2:0}, weak$$choice0=2, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L851] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L853] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 152 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 658 IncrementalHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 25 mSDtfsCounter, 658 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=876occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 101 ConstructedInterpolants, 15 QuantifiedInterpolants, 1056 SizeOfPredicates, 17 NumberOfNonLiveVariables, 954 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 06:10:16,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_871d4baf-da56-4a7b-9435-c97e3fad161f/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: UNKNOWN: Overapproximated counterexample