./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe025_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 --- 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 05:06:01,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:06:01,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:06:01,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:06:01,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:06:01,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:06:01,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:06:01,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:06:01,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:06:01,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:06:01,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:06:01,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:06:01,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:06:01,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:06:01,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:06:01,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:06:01,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:06:01,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:06:01,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:06:01,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:06:01,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:06:01,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:06:01,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:06:01,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:06:01,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:06:01,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:06:01,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:06:01,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:06:01,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:06:01,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:06:01,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:06:01,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:06:01,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:06:01,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:06:01,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:06:01,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:06:01,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:06:01,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:06:01,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:06:01,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:06:01,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:06:01,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 05:06:01,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:06:01,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:06:01,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:06:01,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:06:01,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:06:01,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:06:01,281 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:06:01,281 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:06:01,281 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:06:01,281 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:06:01,281 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:06:01,281 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:06:01,282 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:06:01,282 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:06:01,282 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:06:01,282 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:06:01,282 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:06:01,283 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:06:01,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 05:06:01,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 05:06:01,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:06:01,284 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:06:01,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:06:01,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:06:01,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:06:01,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:06:01,285 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 05:06:01,285 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 05:06:01,285 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 05:06:01,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:06:01,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:06:01,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:06:01,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:06:01,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:06:01,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:06:01,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:06:01,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:06:01,287 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:06:01,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:06:01,287 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:06:01,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:06:01,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:06:01,288 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_f917b3f8-f035-4d7f-9e77-fe2485a00313/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 [2022-12-14 05:06:01,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:06:01,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:06:01,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:06:01,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:06:01,489 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:06:01,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/safe025_power.i [2022-12-14 05:06:03,965 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:06:04,187 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:06:04,188 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/sv-benchmarks/c/pthread-wmm/safe025_power.i [2022-12-14 05:06:04,200 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/data/053ed1b09/67c7ffc42d864a74b245e18d6dd05f47/FLAG87962ce9d [2022-12-14 05:06:04,523 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/data/053ed1b09/67c7ffc42d864a74b245e18d6dd05f47 [2022-12-14 05:06:04,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:06:04,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:06:04,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:06:04,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:06:04,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:06:04,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6734f189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04, skipping insertion in model container [2022-12-14 05:06:04,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:06:04,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:06:04,675 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_f917b3f8-f035-4d7f-9e77-fe2485a00313/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003] [2022-12-14 05:06:04,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,779 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,810 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:06:04,828 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:06:04,837 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_f917b3f8-f035-4d7f-9e77-fe2485a00313/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003] [2022-12-14 05:06:04,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,857 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:04,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:04,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:06:04,902 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:06:04,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04 WrapperNode [2022-12-14 05:06:04,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:06:04,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:06:04,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:06:04,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:06:04,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,949 INFO L138 Inliner]: procedures = 176, calls = 86, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 226 [2022-12-14 05:06:04,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:06:04,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:06:04,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:06:04,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:06:04,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:06:04,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:06:04,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:06:04,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:06:04,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (1/1) ... [2022-12-14 05:06:04,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:06:04,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:06:05,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:06:05,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:06:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:06:05,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 05:06:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 05:06:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 05:06:05,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:06:05,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 05:06:05,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:06:05,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:06:05,044 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 05:06:05,169 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:06:05,171 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:06:05,668 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:06:06,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:06:06,229 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:06:06,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:06:06 BoogieIcfgContainer [2022-12-14 05:06:06,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:06:06,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:06:06,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:06:06,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:06:06,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:06:04" (1/3) ... [2022-12-14 05:06:06,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782175a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:06:06, skipping insertion in model container [2022-12-14 05:06:06,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:04" (2/3) ... [2022-12-14 05:06:06,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782175a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:06:06, skipping insertion in model container [2022-12-14 05:06:06,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:06:06" (3/3) ... [2022-12-14 05:06:06,236 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_power.i [2022-12-14 05:06:06,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:06:06,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-12-14 05:06:06,251 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 05:06:06,347 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 05:06:06,378 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:06:06,392 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 198 transitions, 411 flow [2022-12-14 05:06:06,394 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 198 transitions, 411 flow [2022-12-14 05:06:06,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 198 transitions, 411 flow [2022-12-14 05:06:06,490 INFO L130 PetriNetUnfolder]: 2/195 cut-off events. [2022-12-14 05:06:06,490 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 05:06:06,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 195 events. 2/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 354 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2022-12-14 05:06:06,502 INFO L119 LiptonReduction]: Number of co-enabled transitions 9288 [2022-12-14 05:06:32,932 INFO L134 LiptonReduction]: Checked pairs total: 42871 [2022-12-14 05:06:32,932 INFO L136 LiptonReduction]: Total number of compositions: 206 [2022-12-14 05:06:32,940 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 93 transitions, 201 flow [2022-12-14 05:06:34,960 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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 05:06:34,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:06:34,984 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;@5364d4f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:06:34,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-12-14 05:06:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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 05:06:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 05:06:35,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:35,208 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 05:06:35,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:06:35,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:35,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1479, now seen corresponding path program 1 times [2022-12-14 05:06:35,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:35,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444801276] [2022-12-14 05:06:35,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:35,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:35,304 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 05:06:35,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:06:35,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444801276] [2022-12-14 05:06:35,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444801276] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:06:35,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:06:35,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 05:06:35,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556717527] [2022-12-14 05:06:35,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:06:35,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:06:35,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:06:35,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:06:35,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:06:35,426 INFO L87 Difference]: Start difference. First operand has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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 05:06:35,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:06:35,746 INFO L93 Difference]: Finished difference Result 12552 states and 44887 transitions. [2022-12-14 05:06:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:06:35,748 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 05:06:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:06:35,843 INFO L225 Difference]: With dead ends: 12552 [2022-12-14 05:06:35,844 INFO L226 Difference]: Without dead ends: 12552 [2022-12-14 05:06:35,844 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 05:06:35,847 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:06:35,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:06:35,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12552 states. [2022-12-14 05:06:36,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12552 to 12552. [2022-12-14 05:06:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 10936 states have (on average 4.104517190929042) internal successors, (44887), 12551 states have internal predecessors, (44887), 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 05:06:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 44887 transitions. [2022-12-14 05:06:36,404 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 44887 transitions. Word has length 1 [2022-12-14 05:06:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:06:36,405 INFO L495 AbstractCegarLoop]: Abstraction has 12552 states and 44887 transitions. [2022-12-14 05:06:36,405 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 05:06:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 44887 transitions. [2022-12-14 05:06:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 05:06:36,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:36,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 05:06:36,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:06:36,406 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:06:36,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:36,406 INFO L85 PathProgramCache]: Analyzing trace with hash 45265026, now seen corresponding path program 1 times [2022-12-14 05:06:36,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:36,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285555682] [2022-12-14 05:06:36,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:36,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:36,586 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 05:06:36,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:06:36,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285555682] [2022-12-14 05:06:36,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285555682] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:06:36,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:06:36,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:06:36,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639524196] [2022-12-14 05:06:36,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:06:36,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:06:36,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:06:36,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:06:36,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:06:36,589 INFO L87 Difference]: Start difference. First operand 12552 states and 44887 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:06:36,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:06:36,809 INFO L93 Difference]: Finished difference Result 8824 states and 29182 transitions. [2022-12-14 05:06:36,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:06:36,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-12-14 05:06:36,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:06:36,861 INFO L225 Difference]: With dead ends: 8824 [2022-12-14 05:06:36,861 INFO L226 Difference]: Without dead ends: 8824 [2022-12-14 05:06:36,861 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 05:06:36,862 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:06:36,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:06:36,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8824 states. [2022-12-14 05:06:37,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8824 to 8000. [2022-12-14 05:06:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8000 states, 7467 states have (on average 3.7586714878800054) internal successors, (28066), 7999 states have internal predecessors, (28066), 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 05:06:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8000 states to 8000 states and 28066 transitions. [2022-12-14 05:06:37,077 INFO L78 Accepts]: Start accepts. Automaton has 8000 states and 28066 transitions. Word has length 4 [2022-12-14 05:06:37,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:06:37,078 INFO L495 AbstractCegarLoop]: Abstraction has 8000 states and 28066 transitions. [2022-12-14 05:06:37,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:06:37,078 INFO L276 IsEmpty]: Start isEmpty. Operand 8000 states and 28066 transitions. [2022-12-14 05:06:37,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 05:06:37,078 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:37,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 05:06:37,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:06:37,078 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:06:37,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:37,079 INFO L85 PathProgramCache]: Analyzing trace with hash 45265027, now seen corresponding path program 1 times [2022-12-14 05:06:37,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:37,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638328937] [2022-12-14 05:06:37,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:37,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:37,201 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 05:06:37,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:06:37,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638328937] [2022-12-14 05:06:37,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638328937] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:06:37,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:06:37,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:06:37,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126225293] [2022-12-14 05:06:37,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:06:37,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:06:37,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:06:37,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:06:37,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:06:37,203 INFO L87 Difference]: Start difference. First operand 8000 states and 28066 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:06:37,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:06:37,335 INFO L93 Difference]: Finished difference Result 3302 states and 10647 transitions. [2022-12-14 05:06:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:06:37,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-12-14 05:06:37,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:06:37,350 INFO L225 Difference]: With dead ends: 3302 [2022-12-14 05:06:37,350 INFO L226 Difference]: Without dead ends: 3252 [2022-12-14 05:06:37,350 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 05:06:37,351 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:06:37,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:06:37,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2022-12-14 05:06:37,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2022-12-14 05:06:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 3164 states have (on average 3.311946902654867) internal successors, (10479), 3251 states have internal predecessors, (10479), 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 05:06:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 10479 transitions. [2022-12-14 05:06:37,441 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 10479 transitions. Word has length 4 [2022-12-14 05:06:37,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:06:37,441 INFO L495 AbstractCegarLoop]: Abstraction has 3252 states and 10479 transitions. [2022-12-14 05:06:37,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:06:37,442 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 10479 transitions. [2022-12-14 05:06:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 05:06:37,442 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:37,442 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 05:06:37,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:06:37,442 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:06:37,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:37,443 INFO L85 PathProgramCache]: Analyzing trace with hash 551198519, now seen corresponding path program 1 times [2022-12-14 05:06:37,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:37,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466085452] [2022-12-14 05:06:37,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:06:37,532 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 05:06:37,533 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:06:37,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466085452] [2022-12-14 05:06:37,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466085452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:06:37,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:06:37,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:06:37,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790308626] [2022-12-14 05:06:37,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:06:37,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:06:37,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:06:37,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:06:37,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:06:37,534 INFO L87 Difference]: Start difference. First operand 3252 states and 10479 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 05:06:37,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:06:37,675 INFO L93 Difference]: Finished difference Result 2876 states and 9141 transitions. [2022-12-14 05:06:37,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:06:37,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-12-14 05:06:37,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:06:37,683 INFO L225 Difference]: With dead ends: 2876 [2022-12-14 05:06:37,683 INFO L226 Difference]: Without dead ends: 2876 [2022-12-14 05:06:37,683 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 05:06:37,684 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 16 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:06:37,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:06:37,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2022-12-14 05:06:37,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 2876. [2022-12-14 05:06:37,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2807 states have (on average 3.25650160313502) internal successors, (9141), 2875 states have internal predecessors, (9141), 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 05:06:37,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 9141 transitions. [2022-12-14 05:06:37,742 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 9141 transitions. Word has length 6 [2022-12-14 05:06:37,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:06:37,742 INFO L495 AbstractCegarLoop]: Abstraction has 2876 states and 9141 transitions. [2022-12-14 05:06:37,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 05:06:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 9141 transitions. [2022-12-14 05:06:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 05:06:37,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:06:37,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:06:37,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:06:37,743 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:06:37,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:06:37,744 INFO L85 PathProgramCache]: Analyzing trace with hash -92713863, now seen corresponding path program 1 times [2022-12-14 05:06:37,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:06:37,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533455741] [2022-12-14 05:06:37,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:06:37,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:06:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:06:37,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:06:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:06:37,797 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:06:37,797 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:06:37,798 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (104 of 105 remaining) [2022-12-14 05:06:37,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 105 remaining) [2022-12-14 05:06:37,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 105 remaining) [2022-12-14 05:06:37,799 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (91 of 105 remaining) [2022-12-14 05:06:37,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (90 of 105 remaining) [2022-12-14 05:06:37,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 105 remaining) [2022-12-14 05:06:37,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 105 remaining) [2022-12-14 05:06:37,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 105 remaining) [2022-12-14 05:06:37,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 105 remaining) [2022-12-14 05:06:37,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 105 remaining) [2022-12-14 05:06:37,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 105 remaining) [2022-12-14 05:06:37,801 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 105 remaining) [2022-12-14 05:06:37,802 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 105 remaining) [2022-12-14 05:06:37,803 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 105 remaining) [2022-12-14 05:06:37,804 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 105 remaining) [2022-12-14 05:06:37,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 105 remaining) [2022-12-14 05:06:37,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 105 remaining) [2022-12-14 05:06:37,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 105 remaining) [2022-12-14 05:06:37,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 105 remaining) [2022-12-14 05:06:37,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 105 remaining) [2022-12-14 05:06:37,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (41 of 105 remaining) [2022-12-14 05:06:37,805 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK (40 of 105 remaining) [2022-12-14 05:06:37,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 105 remaining) [2022-12-14 05:06:37,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 105 remaining) [2022-12-14 05:06:37,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 105 remaining) [2022-12-14 05:06:37,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 105 remaining) [2022-12-14 05:06:37,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 105 remaining) [2022-12-14 05:06:37,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 105 remaining) [2022-12-14 05:06:37,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 105 remaining) [2022-12-14 05:06:37,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 105 remaining) [2022-12-14 05:06:37,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 105 remaining) [2022-12-14 05:06:37,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 105 remaining) [2022-12-14 05:06:37,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 105 remaining) [2022-12-14 05:06:37,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 105 remaining) [2022-12-14 05:06:37,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 105 remaining) [2022-12-14 05:06:37,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 105 remaining) [2022-12-14 05:06:37,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 105 remaining) [2022-12-14 05:06:37,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (24 of 105 remaining) [2022-12-14 05:06:37,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 105 remaining) [2022-12-14 05:06:37,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 105 remaining) [2022-12-14 05:06:37,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 105 remaining) [2022-12-14 05:06:37,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 105 remaining) [2022-12-14 05:06:37,808 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 105 remaining) [2022-12-14 05:06:37,809 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 105 remaining) [2022-12-14 05:06:37,810 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 105 remaining) [2022-12-14 05:06:37,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:06:37,812 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 05:06:37,817 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 05:06:37,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:06:37,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:06:37 BasicIcfg [2022-12-14 05:06:37,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:06:37,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:06:37,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:06:37,848 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:06:37,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:06:06" (3/4) ... [2022-12-14 05:06:37,851 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:06:37,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:06:37,851 INFO L158 Benchmark]: Toolchain (without parser) took 33325.38ms. Allocated memory was 121.6MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 88.3MB in the beginning and 494.8MB in the end (delta: -406.5MB). Peak memory consumption was 622.6MB. Max. memory is 16.1GB. [2022-12-14 05:06:37,851 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:06:37,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.77ms. Allocated memory is still 121.6MB. Free memory was 87.9MB in the beginning and 58.3MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 05:06:37,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.24ms. Allocated memory is still 121.6MB. Free memory was 58.3MB in the beginning and 55.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:06:37,852 INFO L158 Benchmark]: Boogie Preprocessor took 27.23ms. Allocated memory is still 121.6MB. Free memory was 55.1MB in the beginning and 52.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:06:37,852 INFO L158 Benchmark]: RCFGBuilder took 1253.63ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 52.2MB in the beginning and 84.1MB in the end (delta: -31.9MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-12-14 05:06:37,852 INFO L158 Benchmark]: TraceAbstraction took 31615.50ms. Allocated memory was 146.8MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 84.1MB in the beginning and 494.8MB in the end (delta: -410.6MB). Peak memory consumption was 590.8MB. Max. memory is 16.1GB. [2022-12-14 05:06:37,852 INFO L158 Benchmark]: Witness Printer took 2.66ms. Allocated memory is still 1.1GB. Free memory is still 494.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:06:37,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.77ms. Allocated memory is still 121.6MB. Free memory was 87.9MB in the beginning and 58.3MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.24ms. Allocated memory is still 121.6MB. Free memory was 58.3MB in the beginning and 55.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.23ms. Allocated memory is still 121.6MB. Free memory was 55.1MB in the beginning and 52.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1253.63ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 52.2MB in the beginning and 84.1MB in the end (delta: -31.9MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * TraceAbstraction took 31615.50ms. Allocated memory was 146.8MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 84.1MB in the beginning and 494.8MB in the end (delta: -410.6MB). Peak memory consumption was 590.8MB. Max. memory is 16.1GB. * Witness Printer took 2.66ms. Allocated memory is still 1.1GB. Free memory is still 494.8MB. 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: 26.5s, 206 PlacesBefore, 102 PlacesAfterwards, 198 TransitionsBefore, 93 TransitionsAfterwards, 9288 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 131 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 206 TotalNumberOfCompositions, 42871 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19360, independent: 18790, independent conditional: 0, independent unconditional: 18790, dependent: 545, dependent conditional: 0, dependent unconditional: 545, unknown: 25, unknown conditional: 0, unknown unconditional: 25] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6256, independent: 6154, independent conditional: 0, independent unconditional: 6154, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6256, independent: 4754, independent conditional: 0, independent unconditional: 4754, dependent: 1502, dependent conditional: 0, dependent unconditional: 1502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1502, independent: 1400, independent conditional: 0, independent unconditional: 1400, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4808, independent: 4267, independent conditional: 0, independent unconditional: 4267, dependent: 438, dependent conditional: 0, dependent unconditional: 438, unknown: 104, unknown conditional: 0, unknown unconditional: 104] ], Cache Queries: [ total: 19360, independent: 12636, independent conditional: 0, independent unconditional: 12636, dependent: 451, dependent conditional: 0, dependent unconditional: 451, unknown: 6273, unknown conditional: 0, unknown unconditional: 6273] , Statistics on independence cache: Total cache size (in pairs): 975, Positive cache size: 928, Positive conditional cache size: 0, Positive unconditional cache size: 928, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4 - 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; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L732] 0 int __unbuffered_p2_EBX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L737] 0 _Bool x$flush_delayed; [L738] 0 int x$mem_tmp; [L739] 0 _Bool x$r_buff0_thd0; [L740] 0 _Bool x$r_buff0_thd1; [L741] 0 _Bool x$r_buff0_thd2; [L742] 0 _Bool x$r_buff0_thd3; [L743] 0 _Bool x$r_buff1_thd0; [L744] 0 _Bool x$r_buff1_thd1; [L745] 0 _Bool x$r_buff1_thd2; [L746] 0 _Bool x$r_buff1_thd3; [L747] 0 _Bool x$read_delayed; [L748] 0 int *x$read_delayed_var; [L749] 0 int x$w_buff0; [L750] 0 _Bool x$w_buff0_used; [L751] 0 int x$w_buff1; [L752] 0 _Bool x$w_buff1_used; [L754] 0 int y = 0; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L873] 0 pthread_t t2369; [L874] FCALL, FORK 0 pthread_create(&t2369, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2369, ((void *)0), P0, ((void *)0))=-1, t2369={6:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, 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] [L875] 0 pthread_t t2370; [L876] FCALL, FORK 0 pthread_create(&t2370, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2370, ((void *)0), P1, ((void *)0))=0, t2369={6:0}, t2370={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L791] 2 x$w_buff1 = x$w_buff0 [L792] 2 x$w_buff0 = 1 [L793] 2 x$w_buff1_used = x$w_buff0_used [L794] 2 x$w_buff0_used = (_Bool)1 [L795] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L795] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L796] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L797] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L798] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L799] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L800] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, 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] [L803] 2 x$w_buff1 = x$w_buff0 [L804] 2 x$w_buff0 = 2 [L805] 2 x$w_buff1_used = x$w_buff0_used [L806] 2 x$w_buff0_used = (_Bool)1 [L807] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, 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=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, y=0] - 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: -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: 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: -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: -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: -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: -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: -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: -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: -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: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 874]: 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: 876]: 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: 878]: 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, 261 locations, 105 error locations. Started 1 CEGAR loops. OverallTime: 31.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 28.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 224 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 4 mSDtfsCounter, 224 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119756occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 824 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 05:06:37,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe025_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 --- 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 05:06:39,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:06:39,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:06:39,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:06:39,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:06:39,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:06:39,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:06:39,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:06:39,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:06:39,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:06:39,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:06:39,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:06:39,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:06:39,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:06:39,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:06:39,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:06:39,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:06:39,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:06:39,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:06:39,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:06:39,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:06:39,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:06:39,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:06:39,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:06:39,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:06:39,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:06:39,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:06:39,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:06:39,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:06:39,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:06:39,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:06:39,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:06:39,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:06:39,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:06:39,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:06:39,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:06:39,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:06:39,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:06:39,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:06:39,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:06:39,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:06:39,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 05:06:39,433 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:06:39,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:06:39,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:06:39,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:06:39,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:06:39,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:06:39,435 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:06:39,435 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:06:39,435 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:06:39,436 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:06:39,436 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:06:39,436 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:06:39,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 05:06:39,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 05:06:39,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:06:39,437 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:06:39,437 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:06:39,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:06:39,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:06:39,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:06:39,438 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 05:06:39,438 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 05:06:39,438 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 05:06:39,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:06:39,438 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:06:39,438 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:06:39,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:06:39,439 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:06:39,439 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:06:39,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:06:39,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:06:39,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:06:39,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:06:39,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:06:39,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:06:39,440 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:06:39,440 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:06:39,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:06:39,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:06:39,440 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_f917b3f8-f035-4d7f-9e77-fe2485a00313/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_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 -> 6b4ccd44d6ad5c937026f9c7e728382cb906c06e55c568dcdbddf828dfe89bc6 [2022-12-14 05:06:39,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:06:39,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:06:39,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:06:39,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:06:39,699 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:06:39,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/safe025_power.i [2022-12-14 05:06:42,302 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:06:42,490 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:06:42,491 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/sv-benchmarks/c/pthread-wmm/safe025_power.i [2022-12-14 05:06:42,500 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/data/eb16c25ff/2dacf742b11149deb3842a09dcb22853/FLAGe06ae8b9e [2022-12-14 05:06:42,511 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/data/eb16c25ff/2dacf742b11149deb3842a09dcb22853 [2022-12-14 05:06:42,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:06:42,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:06:42,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:06:42,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:06:42,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:06:42,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43afde09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42, skipping insertion in model container [2022-12-14 05:06:42,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:06:42,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:06:42,668 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_f917b3f8-f035-4d7f-9e77-fe2485a00313/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003] [2022-12-14 05:06:42,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,781 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,781 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,786 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,787 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,792 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,800 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,809 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:06:42,835 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:06:42,854 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_f917b3f8-f035-4d7f-9e77-fe2485a00313/sv-benchmarks/c/pthread-wmm/safe025_power.i[990,1003] [2022-12-14 05:06:42,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,881 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,889 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:06:42,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:06:42,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:06:42,916 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:06:42,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42 WrapperNode [2022-12-14 05:06:42,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:06:42,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:06:42,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:06:42,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:06:42,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,954 INFO L138 Inliner]: procedures = 180, calls = 86, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 227 [2022-12-14 05:06:42,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:06:42,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:06:42,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:06:42,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:06:42,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:06:42,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:06:42,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:06:42,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:06:42,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (1/1) ... [2022-12-14 05:06:42,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:06:42,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:06:43,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:06:43,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:06:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 05:06:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 05:06:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:06:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:06:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:06:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 05:06:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:06:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 05:06:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 05:06:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 05:06:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 05:06:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 05:06:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 05:06:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 05:06:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 05:06:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:06:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:06:43,045 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 05:06:43,187 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:06:43,189 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:06:43,797 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:06:44,494 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:06:44,494 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:06:44,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:06:44 BoogieIcfgContainer [2022-12-14 05:06:44,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:06:44,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:06:44,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:06:44,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:06:44,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:06:42" (1/3) ... [2022-12-14 05:06:44,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee0531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:06:44, skipping insertion in model container [2022-12-14 05:06:44,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:06:42" (2/3) ... [2022-12-14 05:06:44,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee0531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:06:44, skipping insertion in model container [2022-12-14 05:06:44,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:06:44" (3/3) ... [2022-12-14 05:06:44,504 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_power.i [2022-12-14 05:06:44,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:06:44,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-12-14 05:06:44,518 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 05:06:44,643 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 05:06:44,667 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:06:44,679 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 199 transitions, 413 flow [2022-12-14 05:06:44,681 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 199 transitions, 413 flow [2022-12-14 05:06:44,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 207 places, 199 transitions, 413 flow [2022-12-14 05:06:44,745 INFO L130 PetriNetUnfolder]: 2/196 cut-off events. [2022-12-14 05:06:44,745 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 05:06:44,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 196 events. 2/196 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 355 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2022-12-14 05:06:44,755 INFO L119 LiptonReduction]: Number of co-enabled transitions 9288 [2022-12-14 05:07:29,162 INFO L134 LiptonReduction]: Checked pairs total: 45844 [2022-12-14 05:07:29,162 INFO L136 LiptonReduction]: Total number of compositions: 193 [2022-12-14 05:07:29,169 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 93 transitions, 201 flow [2022-12-14 05:07:31,260 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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 05:07:31,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:07:31,284 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;@4a7e8ff3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:07:31,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-12-14 05:07:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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 05:07:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 05:07:31,397 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:31,398 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 05:07:31,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:07:31,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:31,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1468, now seen corresponding path program 1 times [2022-12-14 05:07:31,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:07:31,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003147866] [2022-12-14 05:07:31,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:31,419 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 05:07:31,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:07:31,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:31,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:31,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 05:07:31,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:07:31,625 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 05:07:31,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:07:31,626 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:07:31,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003147866] [2022-12-14 05:07:31,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003147866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:31,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:31,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 05:07:31,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527208135] [2022-12-14 05:07:31,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:31,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:07:31,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:07:31,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:07:31,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:07:31,775 INFO L87 Difference]: Start difference. First operand has 119756 states, 79416 states have (on average 5.727498237131057) internal successors, (454855), 119755 states have internal predecessors, (454855), 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 05:07:32,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:32,270 INFO L93 Difference]: Finished difference Result 12552 states and 44887 transitions. [2022-12-14 05:07:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:07:32,272 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 05:07:32,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:32,354 INFO L225 Difference]: With dead ends: 12552 [2022-12-14 05:07:32,354 INFO L226 Difference]: Without dead ends: 12552 [2022-12-14 05:07:32,354 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 05:07:32,357 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:32,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:07:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12552 states. [2022-12-14 05:07:32,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12552 to 12552. [2022-12-14 05:07:32,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 10936 states have (on average 4.104517190929042) internal successors, (44887), 12551 states have internal predecessors, (44887), 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 05:07:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 44887 transitions. [2022-12-14 05:07:32,843 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 44887 transitions. Word has length 1 [2022-12-14 05:07:32,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:32,843 INFO L495 AbstractCegarLoop]: Abstraction has 12552 states and 44887 transitions. [2022-12-14 05:07:32,844 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 05:07:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 44887 transitions. [2022-12-14 05:07:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 05:07:32,844 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:32,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 05:07:32,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:33,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:33,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:07:33,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:33,046 INFO L85 PathProgramCache]: Analyzing trace with hash 44939404, now seen corresponding path program 1 times [2022-12-14 05:07:33,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:07:33,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536530065] [2022-12-14 05:07:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:33,047 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 05:07:33,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:07:33,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:33,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:33,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:07:33,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:07:33,334 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-14 05:07:33,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-12-14 05:07:33,364 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 05:07:33,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:07:33,365 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:07:33,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536530065] [2022-12-14 05:07:33,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536530065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:33,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:33,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:07:33,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935982133] [2022-12-14 05:07:33,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:33,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:07:33,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:07:33,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:07:33,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:07:33,368 INFO L87 Difference]: Start difference. First operand 12552 states and 44887 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:07:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:33,771 INFO L93 Difference]: Finished difference Result 6648 states and 23068 transitions. [2022-12-14 05:07:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:07:33,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-12-14 05:07:33,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:33,814 INFO L225 Difference]: With dead ends: 6648 [2022-12-14 05:07:33,814 INFO L226 Difference]: Without dead ends: 6648 [2022-12-14 05:07:33,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:07:33,816 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:33,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:07:33,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6648 states. [2022-12-14 05:07:33,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6648 to 6648. [2022-12-14 05:07:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6648 states, 6115 states have (on average 3.772363041700736) internal successors, (23068), 6647 states have internal predecessors, (23068), 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 05:07:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6648 states to 6648 states and 23068 transitions. [2022-12-14 05:07:34,053 INFO L78 Accepts]: Start accepts. Automaton has 6648 states and 23068 transitions. Word has length 4 [2022-12-14 05:07:34,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:34,053 INFO L495 AbstractCegarLoop]: Abstraction has 6648 states and 23068 transitions. [2022-12-14 05:07:34,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:07:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 6648 states and 23068 transitions. [2022-12-14 05:07:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 05:07:34,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:34,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 05:07:34,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:34,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:34,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:07:34,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:34,257 INFO L85 PathProgramCache]: Analyzing trace with hash 44939405, now seen corresponding path program 1 times [2022-12-14 05:07:34,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:07:34,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140796772] [2022-12-14 05:07:34,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:34,258 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 05:07:34,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:07:34,259 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:34,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:34,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 05:07:34,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:07:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:07:34,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 05:07:34,587 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 05:07:34,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:07:34,587 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:07:34,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140796772] [2022-12-14 05:07:34,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140796772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:34,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:34,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:07:34,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529350465] [2022-12-14 05:07:34,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:34,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:07:34,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:07:34,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:07:34,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:07:34,589 INFO L87 Difference]: Start difference. First operand 6648 states and 23068 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:07:34,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:34,737 INFO L93 Difference]: Finished difference Result 2510 states and 8321 transitions. [2022-12-14 05:07:34,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:07:34,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-12-14 05:07:34,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:34,747 INFO L225 Difference]: With dead ends: 2510 [2022-12-14 05:07:34,747 INFO L226 Difference]: Without dead ends: 2510 [2022-12-14 05:07:34,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:07:34,749 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:34,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:07:34,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-12-14 05:07:34,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2022-12-14 05:07:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 2422 states have (on average 3.4355904211395543) internal successors, (8321), 2509 states have internal predecessors, (8321), 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 05:07:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 8321 transitions. [2022-12-14 05:07:34,807 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 8321 transitions. Word has length 4 [2022-12-14 05:07:34,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:34,807 INFO L495 AbstractCegarLoop]: Abstraction has 2510 states and 8321 transitions. [2022-12-14 05:07:34,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 05:07:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 8321 transitions. [2022-12-14 05:07:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 05:07:34,807 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:34,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 05:07:34,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:35,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:35,009 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:07:35,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:35,009 INFO L85 PathProgramCache]: Analyzing trace with hash 237709812, now seen corresponding path program 1 times [2022-12-14 05:07:35,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:07:35,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603573696] [2022-12-14 05:07:35,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:35,010 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 05:07:35,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:07:35,011 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:35,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:07:35,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 05:07:35,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:07:35,233 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 05:07:35,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:07:35,234 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:07:35,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603573696] [2022-12-14 05:07:35,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603573696] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:07:35,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:07:35,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:07:35,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920079583] [2022-12-14 05:07:35,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:07:35,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:07:35,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:07:35,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:07:35,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:07:35,236 INFO L87 Difference]: Start difference. First operand 2510 states and 8321 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 05:07:35,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:07:35,439 INFO L93 Difference]: Finished difference Result 2198 states and 7243 transitions. [2022-12-14 05:07:35,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:07:35,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2022-12-14 05:07:35,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:07:35,446 INFO L225 Difference]: With dead ends: 2198 [2022-12-14 05:07:35,446 INFO L226 Difference]: Without dead ends: 2198 [2022-12-14 05:07:35,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 05:07:35,447 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 16 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:07:35,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:07:35,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2022-12-14 05:07:35,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2198. [2022-12-14 05:07:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 2129 states have (on average 3.4020666979802723) internal successors, (7243), 2197 states have internal predecessors, (7243), 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 05:07:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 7243 transitions. [2022-12-14 05:07:35,502 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 7243 transitions. Word has length 6 [2022-12-14 05:07:35,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:07:35,502 INFO L495 AbstractCegarLoop]: Abstraction has 2198 states and 7243 transitions. [2022-12-14 05:07:35,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 05:07:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 7243 transitions. [2022-12-14 05:07:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 05:07:35,503 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:07:35,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:07:35,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:35,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:35,704 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 102 more)] === [2022-12-14 05:07:35,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:07:35,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1220929186, now seen corresponding path program 1 times [2022-12-14 05:07:35,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:07:35,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634222598] [2022-12-14 05:07:35,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:07:35,706 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 05:07:35,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:07:35,708 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:35,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:07:35,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:07:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:07:36,036 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 05:07:36,036 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:07:36,037 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (104 of 105 remaining) [2022-12-14 05:07:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 105 remaining) [2022-12-14 05:07:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 105 remaining) [2022-12-14 05:07:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 105 remaining) [2022-12-14 05:07:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 105 remaining) [2022-12-14 05:07:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 105 remaining) [2022-12-14 05:07:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 105 remaining) [2022-12-14 05:07:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 105 remaining) [2022-12-14 05:07:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (91 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONMEMORY_LEAK (90 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 105 remaining) [2022-12-14 05:07:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 105 remaining) [2022-12-14 05:07:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 105 remaining) [2022-12-14 05:07:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 105 remaining) [2022-12-14 05:07:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 105 remaining) [2022-12-14 05:07:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 105 remaining) [2022-12-14 05:07:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 105 remaining) [2022-12-14 05:07:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 105 remaining) [2022-12-14 05:07:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 105 remaining) [2022-12-14 05:07:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 105 remaining) [2022-12-14 05:07:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 105 remaining) [2022-12-14 05:07:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 105 remaining) [2022-12-14 05:07:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 105 remaining) [2022-12-14 05:07:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 105 remaining) [2022-12-14 05:07:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 105 remaining) [2022-12-14 05:07:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 105 remaining) [2022-12-14 05:07:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 105 remaining) [2022-12-14 05:07:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 105 remaining) [2022-12-14 05:07:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 105 remaining) [2022-12-14 05:07:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 105 remaining) [2022-12-14 05:07:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 105 remaining) [2022-12-14 05:07:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 105 remaining) [2022-12-14 05:07:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 105 remaining) [2022-12-14 05:07:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 105 remaining) [2022-12-14 05:07:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 105 remaining) [2022-12-14 05:07:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 105 remaining) [2022-12-14 05:07:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 105 remaining) [2022-12-14 05:07:36,045 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 105 remaining) [2022-12-14 05:07:36,045 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 105 remaining) [2022-12-14 05:07:36,045 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 105 remaining) [2022-12-14 05:07:36,045 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 105 remaining) [2022-12-14 05:07:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 105 remaining) [2022-12-14 05:07:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 105 remaining) [2022-12-14 05:07:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 105 remaining) [2022-12-14 05:07:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 105 remaining) [2022-12-14 05:07:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 105 remaining) [2022-12-14 05:07:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 105 remaining) [2022-12-14 05:07:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 105 remaining) [2022-12-14 05:07:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 105 remaining) [2022-12-14 05:07:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 105 remaining) [2022-12-14 05:07:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 105 remaining) [2022-12-14 05:07:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 105 remaining) [2022-12-14 05:07:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 105 remaining) [2022-12-14 05:07:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 105 remaining) [2022-12-14 05:07:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 105 remaining) [2022-12-14 05:07:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 105 remaining) [2022-12-14 05:07:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 105 remaining) [2022-12-14 05:07:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK (41 of 105 remaining) [2022-12-14 05:07:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK (40 of 105 remaining) [2022-12-14 05:07:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 105 remaining) [2022-12-14 05:07:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 105 remaining) [2022-12-14 05:07:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 105 remaining) [2022-12-14 05:07:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 105 remaining) [2022-12-14 05:07:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 105 remaining) [2022-12-14 05:07:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 105 remaining) [2022-12-14 05:07:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 105 remaining) [2022-12-14 05:07:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 105 remaining) [2022-12-14 05:07:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 105 remaining) [2022-12-14 05:07:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 105 remaining) [2022-12-14 05:07:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 105 remaining) [2022-12-14 05:07:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 105 remaining) [2022-12-14 05:07:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 105 remaining) [2022-12-14 05:07:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 105 remaining) [2022-12-14 05:07:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 105 remaining) [2022-12-14 05:07:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (24 of 105 remaining) [2022-12-14 05:07:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 105 remaining) [2022-12-14 05:07:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 105 remaining) [2022-12-14 05:07:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 105 remaining) [2022-12-14 05:07:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 105 remaining) [2022-12-14 05:07:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 105 remaining) [2022-12-14 05:07:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 105 remaining) [2022-12-14 05:07:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 105 remaining) [2022-12-14 05:07:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 105 remaining) [2022-12-14 05:07:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 105 remaining) [2022-12-14 05:07:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 105 remaining) [2022-12-14 05:07:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 105 remaining) [2022-12-14 05:07:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 105 remaining) [2022-12-14 05:07:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 105 remaining) [2022-12-14 05:07:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 105 remaining) [2022-12-14 05:07:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 105 remaining) [2022-12-14 05:07:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 105 remaining) [2022-12-14 05:07:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 105 remaining) [2022-12-14 05:07:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 105 remaining) [2022-12-14 05:07:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 105 remaining) [2022-12-14 05:07:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 105 remaining) [2022-12-14 05:07:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 105 remaining) [2022-12-14 05:07:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 105 remaining) [2022-12-14 05:07:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 105 remaining) [2022-12-14 05:07:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 105 remaining) [2022-12-14 05:07:36,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:36,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/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 05:07:36,258 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 05:07:36,262 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 05:07:36,262 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:07:36,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:07:36 BasicIcfg [2022-12-14 05:07:36,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:07:36,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:07:36,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:07:36,289 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:07:36,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:06:44" (3/4) ... [2022-12-14 05:07:36,291 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:07:36,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:07:36,291 INFO L158 Benchmark]: Toolchain (without parser) took 53777.57ms. Allocated memory was 73.4MB in the beginning and 2.3GB in the end (delta: 2.3GB). Free memory was 50.8MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 675.6MB. Max. memory is 16.1GB. [2022-12-14 05:07:36,292 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:07:36,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.87ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 40.8MB in the end (delta: 9.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-12-14 05:07:36,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.94ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 37.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:07:36,292 INFO L158 Benchmark]: Boogie Preprocessor took 26.54ms. Allocated memory is still 73.4MB. Free memory was 37.8MB in the beginning and 34.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:07:36,293 INFO L158 Benchmark]: RCFGBuilder took 1515.28ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 34.8MB in the beginning and 40.1MB in the end (delta: -5.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-12-14 05:07:36,293 INFO L158 Benchmark]: TraceAbstraction took 51789.10ms. Allocated memory was 107.0MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 39.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 629.5MB. Max. memory is 16.1GB. [2022-12-14 05:07:36,293 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 2.3GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:07:36,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.87ms. Allocated memory is still 73.4MB. Free memory was 50.6MB in the beginning and 40.8MB in the end (delta: 9.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.94ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 37.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.54ms. Allocated memory is still 73.4MB. Free memory was 37.8MB in the beginning and 34.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1515.28ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 34.8MB in the beginning and 40.1MB in the end (delta: -5.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * TraceAbstraction took 51789.10ms. Allocated memory was 107.0MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 39.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 629.5MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 2.3GB. Free memory is still 1.7GB. 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: 44.5s, 207 PlacesBefore, 102 PlacesAfterwards, 199 TransitionsBefore, 93 TransitionsAfterwards, 9288 CoEnabledTransitionPairs, 8 FixpointIterations, 70 TrivialSequentialCompositions, 117 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 193 TotalNumberOfCompositions, 45844 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19584, independent: 18950, independent conditional: 0, independent unconditional: 18950, dependent: 601, dependent conditional: 0, dependent unconditional: 601, unknown: 33, unknown conditional: 0, unknown unconditional: 33] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6129, independent: 6031, independent conditional: 0, independent unconditional: 6031, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6129, independent: 4708, independent conditional: 0, independent unconditional: 4708, dependent: 1421, dependent conditional: 0, dependent unconditional: 1421, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1421, independent: 1323, independent conditional: 0, independent unconditional: 1323, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5679, independent: 4714, independent conditional: 0, independent unconditional: 4714, dependent: 794, dependent conditional: 0, dependent unconditional: 794, unknown: 171, unknown conditional: 0, unknown unconditional: 171] ], Cache Queries: [ total: 19584, independent: 12919, independent conditional: 0, independent unconditional: 12919, dependent: 509, dependent conditional: 0, dependent unconditional: 509, unknown: 6156, unknown conditional: 0, unknown unconditional: 6156] , Statistics on independence cache: Total cache size (in pairs): 885, Positive cache size: 834, Positive conditional cache size: 0, Positive unconditional cache size: 834, Negative cache size: 51, Negative conditional cache size: 0, Negative unconditional cache size: 51, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3 - 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; [L715] 0 _Bool __unbuffered_p2_EAX$flush_delayed; [L716] 0 int __unbuffered_p2_EAX$mem_tmp; [L717] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; [L718] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; [L719] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; [L721] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; [L722] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; [L723] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; [L724] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; [L725] 0 _Bool __unbuffered_p2_EAX$read_delayed; [L726] 0 int *__unbuffered_p2_EAX$read_delayed_var; [L727] 0 int __unbuffered_p2_EAX$w_buff0; [L728] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; [L729] 0 int __unbuffered_p2_EAX$w_buff1; [L730] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; [L732] 0 int __unbuffered_p2_EBX = 0; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L737] 0 _Bool x$flush_delayed; [L738] 0 int x$mem_tmp; [L739] 0 _Bool x$r_buff0_thd0; [L740] 0 _Bool x$r_buff0_thd1; [L741] 0 _Bool x$r_buff0_thd2; [L742] 0 _Bool x$r_buff0_thd3; [L743] 0 _Bool x$r_buff1_thd0; [L744] 0 _Bool x$r_buff1_thd1; [L745] 0 _Bool x$r_buff1_thd2; [L746] 0 _Bool x$r_buff1_thd3; [L747] 0 _Bool x$read_delayed; [L748] 0 int *x$read_delayed_var; [L749] 0 int x$w_buff0; [L750] 0 _Bool x$w_buff0_used; [L751] 0 int x$w_buff1; [L752] 0 _Bool x$w_buff1_used; [L754] 0 int y = 0; [L755] 0 _Bool weak$$choice0; [L756] 0 _Bool weak$$choice1; [L757] 0 _Bool weak$$choice2; [L873] 0 pthread_t t2369; [L874] FCALL, FORK 0 pthread_create(&t2369, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2369, ((void *)0), P0, ((void *)0))=0, t2369={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L875] 0 pthread_t t2370; [L876] FCALL, FORK 0 pthread_create(&t2370, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2370, ((void *)0), P1, ((void *)0))=1, t2369={7:0}, t2370={15:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, 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] [L791] 2 x$w_buff1 = x$w_buff0 [L792] 2 x$w_buff0 = 1 [L793] 2 x$w_buff1_used = x$w_buff0_used [L794] 2 x$w_buff0_used = (_Bool)1 [L795] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L795] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L796] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L797] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L798] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L799] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L800] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L803] 2 x$w_buff1 = x$w_buff0 [L804] 2 x$w_buff0 = 2 [L805] 2 x$w_buff1_used = x$w_buff0_used [L806] 2 x$w_buff0_used = (_Bool)1 [L807] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND TRUE 2 !expression [L19] 2 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, __unbuffered_p2_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, 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$w_buff0=2, x$w_buff0_used=1, x$w_buff1=1, x$w_buff1_used=1, y=0] - 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: -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: 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: -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: -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: -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: -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: -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: -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: -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: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 878]: 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: 874]: 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: 876]: 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, 262 locations, 105 error locations. Started 1 CEGAR loops. OverallTime: 51.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 46.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 4 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119756occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 2 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 05:07:36,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f917b3f8-f035-4d7f-9e77-fe2485a00313/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample