./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 1b7eb90186eb2f5804d582daa800e24f20cc36e3f07dd8983b72b6a43dcf9225 --- 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 12:09:42,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:09:42,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:09:42,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:09:42,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:09:42,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:09:42,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:09:42,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:09:42,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:09:42,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:09:42,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:09:42,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:09:42,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:09:42,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:09:42,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:09:42,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:09:42,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:09:42,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:09:42,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:09:42,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:09:42,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:09:42,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:09:42,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:09:42,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:09:42,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:09:42,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:09:42,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:09:42,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:09:42,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:09:42,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:09:42,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:09:42,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:09:42,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:09:42,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:09:42,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:09:42,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:09:42,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:09:42,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:09:42,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:09:42,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:09:42,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:09:42,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 12:09:42,305 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:09:42,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:09:42,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:09:42,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:09:42,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:09:42,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:09:42,306 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:09:42,306 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:09:42,306 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:09:42,306 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:09:42,307 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:09:42,307 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:09:42,307 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:09:42,307 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:09:42,307 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:09:42,307 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:09:42,307 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:09:42,307 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:09:42,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 12:09:42,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 12:09:42,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:09:42,308 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:09:42,308 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:09:42,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:09:42,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:09:42,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:09:42,308 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 12:09:42,308 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:09:42,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:09:42,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:09:42,309 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:09:42,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:09:42,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:09:42,310 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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7eb90186eb2f5804d582daa800e24f20cc36e3f07dd8983b72b6a43dcf9225 [2022-12-14 12:09:42,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:09:42,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:09:42,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:09:42,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:09:42,511 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:09:42,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i [2022-12-14 12:09:45,182 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:09:45,340 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:09:45,340 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i [2022-12-14 12:09:45,349 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/data/6ffb20dbb/6902c0a35b4c4ba3ba749d7b49ff4963/FLAG71915d24c [2022-12-14 12:09:45,359 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/data/6ffb20dbb/6902c0a35b4c4ba3ba749d7b49ff4963 [2022-12-14 12:09:45,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:09:45,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:09:45,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:09:45,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:09:45,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:09:45,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33783496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45, skipping insertion in model container [2022-12-14 12:09:45,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:09:45,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:09:45,515 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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i[1009,1022] [2022-12-14 12:09:45,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,621 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,641 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,641 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,643 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:09:45,653 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:09:45,661 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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i[1009,1022] [2022-12-14 12:09:45,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,686 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:45,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:45,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:09:45,719 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:09:45,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45 WrapperNode [2022-12-14 12:09:45,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:09:45,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:09:45,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:09:45,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:09:45,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,753 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131 [2022-12-14 12:09:45,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:09:45,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:09:45,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:09:45,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:09:45,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,771 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:09:45,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:09:45,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:09:45,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:09:45,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (1/1) ... [2022-12-14 12:09:45,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:09:45,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:09:45,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:09:45,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:09:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:09:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 12:09:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:09:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:09:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:09:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 12:09:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 12:09:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 12:09:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 12:09:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 12:09:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 12:09:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:09:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 12:09:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:09:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:09:45,844 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 12:09:45,953 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:09:45,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:09:46,208 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:09:46,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:09:46,277 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:09:46,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:09:46 BoogieIcfgContainer [2022-12-14 12:09:46,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:09:46,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:09:46,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:09:46,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:09:46,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:09:45" (1/3) ... [2022-12-14 12:09:46,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdf1890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:09:46, skipping insertion in model container [2022-12-14 12:09:46,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:45" (2/3) ... [2022-12-14 12:09:46,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fdf1890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:09:46, skipping insertion in model container [2022-12-14 12:09:46,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:09:46" (3/3) ... [2022-12-14 12:09:46,285 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.opt_pso.opt_rmo.opt.i [2022-12-14 12:09:46,298 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:09:46,298 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-12-14 12:09:46,298 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 12:09:46,336 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 12:09:46,359 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 12:09:46,369 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 130 transitions, 275 flow [2022-12-14 12:09:46,371 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 130 transitions, 275 flow [2022-12-14 12:09:46,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 138 places, 130 transitions, 275 flow [2022-12-14 12:09:46,407 INFO L130 PetriNetUnfolder]: 2/127 cut-off events. [2022-12-14 12:09:46,407 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 12:09:46,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 127 events. 2/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2022-12-14 12:09:46,413 INFO L119 LiptonReduction]: Number of co-enabled transitions 2544 [2022-12-14 12:09:49,539 INFO L134 LiptonReduction]: Checked pairs total: 6669 [2022-12-14 12:09:49,539 INFO L136 LiptonReduction]: Total number of compositions: 127 [2022-12-14 12:09:49,546 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 36 transitions, 87 flow [2022-12-14 12:09:49,599 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1284 states, 1271 states have (on average 3.373721479150275) internal successors, (4288), 1283 states have internal predecessors, (4288), 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 12:09:49,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:09:49,616 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;@211b0117, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:09:49,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-12-14 12:09:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 1284 states, 1271 states have (on average 3.373721479150275) internal successors, (4288), 1283 states have internal predecessors, (4288), 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 12:09:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 12:09:49,624 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:49,624 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 12:09:49,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:49,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:49,628 INFO L85 PathProgramCache]: Analyzing trace with hash 547, now seen corresponding path program 1 times [2022-12-14 12:09:49,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:49,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159763487] [2022-12-14 12:09:49,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:49,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 12:09:49,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:49,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159763487] [2022-12-14 12:09:49,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159763487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:49,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:49,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 12:09:49,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521032781] [2022-12-14 12:09:49,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:49,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:09:49,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:49,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:09:49,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:09:49,738 INFO L87 Difference]: Start difference. First operand has 1284 states, 1271 states have (on average 3.373721479150275) internal successors, (4288), 1283 states have internal predecessors, (4288), 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 12:09:49,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:49,824 INFO L93 Difference]: Finished difference Result 1212 states and 3930 transitions. [2022-12-14 12:09:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:09:49,827 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 12:09:49,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:49,849 INFO L225 Difference]: With dead ends: 1212 [2022-12-14 12:09:49,849 INFO L226 Difference]: Without dead ends: 1212 [2022-12-14 12:09:49,850 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 12:09:49,853 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:49,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:09:49,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-12-14 12:09:49,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1212. [2022-12-14 12:09:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1207 states have (on average 3.256006628003314) internal successors, (3930), 1211 states have internal predecessors, (3930), 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 12:09:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 3930 transitions. [2022-12-14 12:09:49,948 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 3930 transitions. Word has length 1 [2022-12-14 12:09:49,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:49,948 INFO L495 AbstractCegarLoop]: Abstraction has 1212 states and 3930 transitions. [2022-12-14 12:09:49,948 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 12:09:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 3930 transitions. [2022-12-14 12:09:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 12:09:49,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:49,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 12:09:49,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:09:49,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:49,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:49,950 INFO L85 PathProgramCache]: Analyzing trace with hash 518155756, now seen corresponding path program 1 times [2022-12-14 12:09:49,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:49,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696888784] [2022-12-14 12:09:49,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:49,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:50,182 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 12:09:50,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:50,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696888784] [2022-12-14 12:09:50,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696888784] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:50,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:50,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:09:50,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049138976] [2022-12-14 12:09:50,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:50,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:09:50,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:50,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:09:50,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:09:50,185 INFO L87 Difference]: Start difference. First operand 1212 states and 3930 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:50,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:50,247 INFO L93 Difference]: Finished difference Result 992 states and 3169 transitions. [2022-12-14 12:09:50,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:09:50,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 12:09:50,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:50,251 INFO L225 Difference]: With dead ends: 992 [2022-12-14 12:09:50,251 INFO L226 Difference]: Without dead ends: 962 [2022-12-14 12:09:50,252 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 12:09:50,252 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:50,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:09:50,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-12-14 12:09:50,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2022-12-14 12:09:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 960 states have (on average 3.21875) internal successors, (3090), 961 states have internal predecessors, (3090), 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 12:09:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 3090 transitions. [2022-12-14 12:09:50,274 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 3090 transitions. Word has length 5 [2022-12-14 12:09:50,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:50,275 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 3090 transitions. [2022-12-14 12:09:50,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:50,275 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 3090 transitions. [2022-12-14 12:09:50,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 12:09:50,276 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:50,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:50,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:09:50,276 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:50,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:50,277 INFO L85 PathProgramCache]: Analyzing trace with hash -242415697, now seen corresponding path program 1 times [2022-12-14 12:09:50,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:50,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173864468] [2022-12-14 12:09:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:50,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:50,574 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 12:09:50,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:50,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173864468] [2022-12-14 12:09:50,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173864468] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:50,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:50,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:09:50,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982283022] [2022-12-14 12:09:50,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:50,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:09:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:50,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:09:50,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:50,577 INFO L87 Difference]: Start difference. First operand 962 states and 3090 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:50,705 INFO L93 Difference]: Finished difference Result 1367 states and 4304 transitions. [2022-12-14 12:09:50,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:09:50,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 12:09:50,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:50,714 INFO L225 Difference]: With dead ends: 1367 [2022-12-14 12:09:50,714 INFO L226 Difference]: Without dead ends: 1367 [2022-12-14 12:09:50,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:50,715 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 20 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:50,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 14 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2022-12-14 12:09:50,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1277. [2022-12-14 12:09:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 1275 states have (on average 3.2133333333333334) internal successors, (4097), 1276 states have internal predecessors, (4097), 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 12:09:50,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 4097 transitions. [2022-12-14 12:09:50,768 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 4097 transitions. Word has length 10 [2022-12-14 12:09:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:50,769 INFO L495 AbstractCegarLoop]: Abstraction has 1277 states and 4097 transitions. [2022-12-14 12:09:50,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 4097 transitions. [2022-12-14 12:09:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 12:09:50,771 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:50,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:50,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:09:50,771 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:50,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:50,772 INFO L85 PathProgramCache]: Analyzing trace with hash -242415716, now seen corresponding path program 1 times [2022-12-14 12:09:50,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:50,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834101225] [2022-12-14 12:09:50,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:50,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:50,883 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 12:09:50,884 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:50,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834101225] [2022-12-14 12:09:50,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834101225] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:50,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:50,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:09:50,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388501679] [2022-12-14 12:09:50,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:50,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:09:50,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:50,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:09:50,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:09:50,886 INFO L87 Difference]: Start difference. First operand 1277 states and 4097 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:51,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:51,042 INFO L93 Difference]: Finished difference Result 2418 states and 7353 transitions. [2022-12-14 12:09:51,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:09:51,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 12:09:51,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:51,050 INFO L225 Difference]: With dead ends: 2418 [2022-12-14 12:09:51,051 INFO L226 Difference]: Without dead ends: 2130 [2022-12-14 12:09:51,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:51,051 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 32 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:51,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 12 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2022-12-14 12:09:51,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 1698. [2022-12-14 12:09:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1696 states have (on average 3.1580188679245285) internal successors, (5356), 1697 states have internal predecessors, (5356), 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 12:09:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 5356 transitions. [2022-12-14 12:09:51,127 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 5356 transitions. Word has length 10 [2022-12-14 12:09:51,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:51,127 INFO L495 AbstractCegarLoop]: Abstraction has 1698 states and 5356 transitions. [2022-12-14 12:09:51,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:51,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 5356 transitions. [2022-12-14 12:09:51,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 12:09:51,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:51,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:51,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:09:51,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:51,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:51,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1074483442, now seen corresponding path program 1 times [2022-12-14 12:09:51,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:51,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358051163] [2022-12-14 12:09:51,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:51,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:51,234 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 12:09:51,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:51,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358051163] [2022-12-14 12:09:51,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358051163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:51,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:51,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:09:51,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107878461] [2022-12-14 12:09:51,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:51,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:09:51,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:51,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:09:51,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:51,237 INFO L87 Difference]: Start difference. First operand 1698 states and 5356 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:51,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:51,402 INFO L93 Difference]: Finished difference Result 2140 states and 6458 transitions. [2022-12-14 12:09:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:09:51,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 12:09:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:51,409 INFO L225 Difference]: With dead ends: 2140 [2022-12-14 12:09:51,409 INFO L226 Difference]: Without dead ends: 1970 [2022-12-14 12:09:51,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:09:51,410 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 59 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:51,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 11 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2022-12-14 12:09:51,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1508. [2022-12-14 12:09:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1506 states have (on average 3.1301460823373173) internal successors, (4714), 1507 states have internal predecessors, (4714), 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 12:09:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 4714 transitions. [2022-12-14 12:09:51,456 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 4714 transitions. Word has length 11 [2022-12-14 12:09:51,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:51,456 INFO L495 AbstractCegarLoop]: Abstraction has 1508 states and 4714 transitions. [2022-12-14 12:09:51,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 4714 transitions. [2022-12-14 12:09:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 12:09:51,457 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:51,457 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:51,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:09:51,458 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:51,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:51,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1034095461, now seen corresponding path program 1 times [2022-12-14 12:09:51,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:51,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729691465] [2022-12-14 12:09:51,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:51,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:51,557 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 12:09:51,558 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:51,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729691465] [2022-12-14 12:09:51,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729691465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:51,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:51,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:09:51,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892916985] [2022-12-14 12:09:51,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:51,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:09:51,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:09:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:51,560 INFO L87 Difference]: Start difference. First operand 1508 states and 4714 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:51,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:51,732 INFO L93 Difference]: Finished difference Result 2228 states and 6682 transitions. [2022-12-14 12:09:51,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:09:51,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 12:09:51,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:51,739 INFO L225 Difference]: With dead ends: 2228 [2022-12-14 12:09:51,739 INFO L226 Difference]: Without dead ends: 2087 [2022-12-14 12:09:51,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:09:51,740 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 41 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:51,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 16 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:51,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2022-12-14 12:09:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1526. [2022-12-14 12:09:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1526 states, 1524 states have (on average 3.1286089238845145) internal successors, (4768), 1525 states have internal predecessors, (4768), 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 12:09:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 4768 transitions. [2022-12-14 12:09:51,776 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 4768 transitions. Word has length 12 [2022-12-14 12:09:51,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:51,776 INFO L495 AbstractCegarLoop]: Abstraction has 1526 states and 4768 transitions. [2022-12-14 12:09:51,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 4768 transitions. [2022-12-14 12:09:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 12:09:51,777 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:51,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:51,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:09:51,777 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:51,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:51,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1080417874, now seen corresponding path program 1 times [2022-12-14 12:09:51,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:51,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297585426] [2022-12-14 12:09:51,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:51,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:51,957 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 12:09:51,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:51,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297585426] [2022-12-14 12:09:51,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297585426] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:51,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:51,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:09:51,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001882784] [2022-12-14 12:09:51,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:51,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:09:51,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:51,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:09:51,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:51,958 INFO L87 Difference]: Start difference. First operand 1526 states and 4768 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:52,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:52,049 INFO L93 Difference]: Finished difference Result 1436 states and 4387 transitions. [2022-12-14 12:09:52,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:09:52,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-12-14 12:09:52,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:52,054 INFO L225 Difference]: With dead ends: 1436 [2022-12-14 12:09:52,054 INFO L226 Difference]: Without dead ends: 1292 [2022-12-14 12:09:52,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:52,054 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 24 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:52,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 12 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:52,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2022-12-14 12:09:52,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 806. [2022-12-14 12:09:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 805 states have (on average 3.034782608695652) internal successors, (2443), 805 states have internal predecessors, (2443), 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 12:09:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 2443 transitions. [2022-12-14 12:09:52,072 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 2443 transitions. Word has length 12 [2022-12-14 12:09:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:52,072 INFO L495 AbstractCegarLoop]: Abstraction has 806 states and 2443 transitions. [2022-12-14 12:09:52,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 2443 transitions. [2022-12-14 12:09:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 12:09:52,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:52,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:52,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:09:52,073 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:52,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:52,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1785610353, now seen corresponding path program 1 times [2022-12-14 12:09:52,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:52,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087435282] [2022-12-14 12:09:52,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:52,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:52,153 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 12:09:52,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:52,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087435282] [2022-12-14 12:09:52,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087435282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:52,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:52,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:09:52,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714288072] [2022-12-14 12:09:52,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:52,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:09:52,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:52,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:09:52,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:09:52,154 INFO L87 Difference]: Start difference. First operand 806 states and 2443 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:52,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:52,231 INFO L93 Difference]: Finished difference Result 842 states and 2494 transitions. [2022-12-14 12:09:52,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:09:52,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 12:09:52,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:52,234 INFO L225 Difference]: With dead ends: 842 [2022-12-14 12:09:52,234 INFO L226 Difference]: Without dead ends: 758 [2022-12-14 12:09:52,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:52,235 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 24 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:52,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 13 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:52,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2022-12-14 12:09:52,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 686. [2022-12-14 12:09:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 685 states have (on average 3.0291970802919708) internal successors, (2075), 685 states have internal predecessors, (2075), 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 12:09:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 2075 transitions. [2022-12-14 12:09:52,247 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 2075 transitions. Word has length 13 [2022-12-14 12:09:52,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:52,248 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 2075 transitions. [2022-12-14 12:09:52,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 2075 transitions. [2022-12-14 12:09:52,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 12:09:52,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:52,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:52,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:09:52,249 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:52,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:52,249 INFO L85 PathProgramCache]: Analyzing trace with hash -480723905, now seen corresponding path program 1 times [2022-12-14 12:09:52,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:52,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024722843] [2022-12-14 12:09:52,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:52,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:52,332 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 12:09:52,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:52,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024722843] [2022-12-14 12:09:52,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024722843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:52,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:52,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:09:52,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204533853] [2022-12-14 12:09:52,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:52,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:09:52,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:52,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:09:52,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:09:52,334 INFO L87 Difference]: Start difference. First operand 686 states and 2075 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:52,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:52,377 INFO L93 Difference]: Finished difference Result 462 states and 1183 transitions. [2022-12-14 12:09:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:09:52,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 12:09:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:52,378 INFO L225 Difference]: With dead ends: 462 [2022-12-14 12:09:52,379 INFO L226 Difference]: Without dead ends: 462 [2022-12-14 12:09:52,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 12:09:52,379 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:52,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 12:09:52,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-12-14 12:09:52,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2022-12-14 12:09:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 461 states have (on average 2.5661605206073754) internal successors, (1183), 461 states have internal predecessors, (1183), 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 12:09:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 1183 transitions. [2022-12-14 12:09:52,386 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 1183 transitions. Word has length 14 [2022-12-14 12:09:52,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:52,387 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 1183 transitions. [2022-12-14 12:09:52,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:09:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 1183 transitions. [2022-12-14 12:09:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 12:09:52,388 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:52,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:52,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:09:52,388 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:52,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:52,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1843087014, now seen corresponding path program 1 times [2022-12-14 12:09:52,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:52,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265627472] [2022-12-14 12:09:52,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:52,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:52,494 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 12:09:52,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:52,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265627472] [2022-12-14 12:09:52,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265627472] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:52,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:52,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:09:52,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920184906] [2022-12-14 12:09:52,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:52,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:09:52,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:52,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:09:52,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:09:52,495 INFO L87 Difference]: Start difference. First operand 462 states and 1183 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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 12:09:52,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:52,555 INFO L93 Difference]: Finished difference Result 282 states and 649 transitions. [2022-12-14 12:09:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:09:52,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2022-12-14 12:09:52,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:52,558 INFO L225 Difference]: With dead ends: 282 [2022-12-14 12:09:52,558 INFO L226 Difference]: Without dead ends: 282 [2022-12-14 12:09:52,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:09:52,559 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 24 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:52,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 9 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:52,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-12-14 12:09:52,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 279. [2022-12-14 12:09:52,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 278 states have (on average 2.305755395683453) internal successors, (641), 278 states have internal predecessors, (641), 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 12:09:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 641 transitions. [2022-12-14 12:09:52,564 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 641 transitions. Word has length 16 [2022-12-14 12:09:52,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:52,564 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 641 transitions. [2022-12-14 12:09:52,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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 12:09:52,564 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 641 transitions. [2022-12-14 12:09:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 12:09:52,565 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:52,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:52,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:09:52,566 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:52,566 INFO L85 PathProgramCache]: Analyzing trace with hash -360066457, now seen corresponding path program 1 times [2022-12-14 12:09:52,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:52,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193118492] [2022-12-14 12:09:52,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:52,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:52,747 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 12:09:52,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:52,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193118492] [2022-12-14 12:09:52,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193118492] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:52,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:52,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:09:52,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567050782] [2022-12-14 12:09:52,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:52,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:09:52,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:52,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:09:52,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:09:52,749 INFO L87 Difference]: Start difference. First operand 279 states and 641 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 12:09:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:52,912 INFO L93 Difference]: Finished difference Result 468 states and 1042 transitions. [2022-12-14 12:09:52,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:09:52,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2022-12-14 12:09:52,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:52,914 INFO L225 Difference]: With dead ends: 468 [2022-12-14 12:09:52,914 INFO L226 Difference]: Without dead ends: 356 [2022-12-14 12:09:52,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:09:52,914 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 61 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:52,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 21 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:52,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-12-14 12:09:52,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 267. [2022-12-14 12:09:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 266 states have (on average 2.218045112781955) internal successors, (590), 266 states have internal predecessors, (590), 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 12:09:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 590 transitions. [2022-12-14 12:09:52,919 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 590 transitions. Word has length 19 [2022-12-14 12:09:52,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:52,919 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 590 transitions. [2022-12-14 12:09:52,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 12:09:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 590 transitions. [2022-12-14 12:09:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 12:09:52,920 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:52,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:52,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 12:09:52,920 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:52,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:52,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1380239847, now seen corresponding path program 2 times [2022-12-14 12:09:52,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:52,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915454950] [2022-12-14 12:09:52,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:52,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:53,029 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 12:09:53,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:53,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915454950] [2022-12-14 12:09:53,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915454950] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:53,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:53,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:09:53,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919688991] [2022-12-14 12:09:53,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:53,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:09:53,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:53,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:09:53,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:53,031 INFO L87 Difference]: Start difference. First operand 267 states and 590 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 12:09:53,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:53,092 INFO L93 Difference]: Finished difference Result 221 states and 502 transitions. [2022-12-14 12:09:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:09:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2022-12-14 12:09:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:53,094 INFO L225 Difference]: With dead ends: 221 [2022-12-14 12:09:53,094 INFO L226 Difference]: Without dead ends: 105 [2022-12-14 12:09:53,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:53,095 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 43 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:53,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 7 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-14 12:09:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2022-12-14 12:09:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 2.0105263157894737) internal successors, (191), 95 states have internal predecessors, (191), 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 12:09:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 191 transitions. [2022-12-14 12:09:53,098 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 191 transitions. Word has length 19 [2022-12-14 12:09:53,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:53,098 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 191 transitions. [2022-12-14 12:09:53,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 12:09:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 191 transitions. [2022-12-14 12:09:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:09:53,099 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:53,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:53,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 12:09:53,099 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:53,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:53,100 INFO L85 PathProgramCache]: Analyzing trace with hash 311078617, now seen corresponding path program 1 times [2022-12-14 12:09:53,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:53,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985804258] [2022-12-14 12:09:53,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:53,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:53,292 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 12:09:53,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:53,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985804258] [2022-12-14 12:09:53,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985804258] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:53,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:53,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:09:53,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223224081] [2022-12-14 12:09:53,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:53,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:09:53,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:53,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:09:53,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:09:53,293 INFO L87 Difference]: Start difference. First operand 96 states and 191 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 12:09:53,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:53,366 INFO L93 Difference]: Finished difference Result 150 states and 300 transitions. [2022-12-14 12:09:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:09:53,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 23 [2022-12-14 12:09:53,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:53,367 INFO L225 Difference]: With dead ends: 150 [2022-12-14 12:09:53,367 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 12:09:53,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:09:53,368 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:53,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 9 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:53,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 12:09:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-14 12:09:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.904109589041096) internal successors, (139), 73 states have internal predecessors, (139), 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 12:09:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 139 transitions. [2022-12-14 12:09:53,370 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 139 transitions. Word has length 23 [2022-12-14 12:09:53,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:53,371 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 139 transitions. [2022-12-14 12:09:53,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 12:09:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2022-12-14 12:09:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:09:53,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:53,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:53,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 12:09:53,372 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:53,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:53,372 INFO L85 PathProgramCache]: Analyzing trace with hash 145682697, now seen corresponding path program 2 times [2022-12-14 12:09:53,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:53,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566564820] [2022-12-14 12:09:53,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:53,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:09:54,149 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 12:09:54,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:09:54,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566564820] [2022-12-14 12:09:54,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566564820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:09:54,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:09:54,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 12:09:54,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510134380] [2022-12-14 12:09:54,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:09:54,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 12:09:54,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:09:54,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 12:09:54,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:09:54,152 INFO L87 Difference]: Start difference. First operand 74 states and 139 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 12:09:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:09:54,393 INFO L93 Difference]: Finished difference Result 89 states and 162 transitions. [2022-12-14 12:09:54,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:09:54,393 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 23 [2022-12-14 12:09:54,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:09:54,394 INFO L225 Difference]: With dead ends: 89 [2022-12-14 12:09:54,394 INFO L226 Difference]: Without dead ends: 46 [2022-12-14 12:09:54,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-12-14 12:09:54,395 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 44 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:09:54,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 23 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:09:54,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-14 12:09:54,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-14 12:09:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 45 states have internal predecessors, (71), 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 12:09:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 71 transitions. [2022-12-14 12:09:54,397 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 71 transitions. Word has length 23 [2022-12-14 12:09:54,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:09:54,397 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 71 transitions. [2022-12-14 12:09:54,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 12:09:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2022-12-14 12:09:54,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:09:54,398 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:09:54,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:54,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 12:09:54,398 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:09:54,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:09:54,399 INFO L85 PathProgramCache]: Analyzing trace with hash 818689973, now seen corresponding path program 3 times [2022-12-14 12:09:54,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:09:54,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105181988] [2022-12-14 12:09:54,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:09:54,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:09:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:09:54,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:09:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:09:54,500 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 12:09:54,501 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:09:54,501 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (12 of 13 remaining) [2022-12-14 12:09:54,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (11 of 13 remaining) [2022-12-14 12:09:54,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 13 remaining) [2022-12-14 12:09:54,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 13 remaining) [2022-12-14 12:09:54,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 13 remaining) [2022-12-14 12:09:54,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 13 remaining) [2022-12-14 12:09:54,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 13 remaining) [2022-12-14 12:09:54,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 13 remaining) [2022-12-14 12:09:54,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (4 of 13 remaining) [2022-12-14 12:09:54,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-12-14 12:09:54,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2022-12-14 12:09:54,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2022-12-14 12:09:54,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 13 remaining) [2022-12-14 12:09:54,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 12:09:54,507 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:09:54,513 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 12:09:54,513 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:09:54,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:09:54 BasicIcfg [2022-12-14 12:09:54,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:09:54,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:09:54,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:09:54,573 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:09:54,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:09:46" (3/4) ... [2022-12-14 12:09:54,576 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 12:09:54,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:09:54,576 INFO L158 Benchmark]: Toolchain (without parser) took 9213.36ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 89.4MB in the beginning and 136.7MB in the end (delta: -47.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 12:09:54,576 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory was 99.5MB in the beginning and 99.4MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:09:54,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.01ms. Allocated memory is still 125.8MB. Free memory was 89.0MB in the beginning and 62.4MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 12:09:54,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.01ms. Allocated memory is still 125.8MB. Free memory was 62.4MB in the beginning and 60.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:09:54,577 INFO L158 Benchmark]: Boogie Preprocessor took 20.39ms. Allocated memory is still 125.8MB. Free memory was 60.1MB in the beginning and 58.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:09:54,577 INFO L158 Benchmark]: RCFGBuilder took 504.46ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 58.0MB in the beginning and 94.3MB in the end (delta: -36.3MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-12-14 12:09:54,578 INFO L158 Benchmark]: TraceAbstraction took 8291.75ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 94.3MB in the beginning and 136.7MB in the end (delta: -42.4MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2022-12-14 12:09:54,578 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 182.5MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:09:54,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 125.8MB. Free memory was 99.5MB in the beginning and 99.4MB in the end (delta: 16.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.01ms. Allocated memory is still 125.8MB. Free memory was 89.0MB in the beginning and 62.4MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.01ms. Allocated memory is still 125.8MB. Free memory was 62.4MB in the beginning and 60.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.39ms. Allocated memory is still 125.8MB. Free memory was 60.1MB in the beginning and 58.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.46ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 58.0MB in the beginning and 94.3MB in the end (delta: -36.3MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8291.75ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 94.3MB in the beginning and 136.7MB in the end (delta: -42.4MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 182.5MB. Free memory is still 136.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 138 PlacesBefore, 45 PlacesAfterwards, 130 TransitionsBefore, 36 TransitionsAfterwards, 2544 CoEnabledTransitionPairs, 7 FixpointIterations, 53 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 127 TotalNumberOfCompositions, 6669 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3916, independent: 3735, independent conditional: 0, independent unconditional: 3735, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1900, independent: 1848, independent conditional: 0, independent unconditional: 1848, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1900, independent: 1829, independent conditional: 0, independent unconditional: 1829, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 195, dependent conditional: 0, dependent unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3916, independent: 1887, independent conditional: 0, independent unconditional: 1887, dependent: 129, dependent conditional: 0, dependent unconditional: 129, unknown: 1900, unknown conditional: 0, unknown unconditional: 1900] , Statistics on independence cache: Total cache size (in pairs): 261, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L727] 0 _Bool y$flush_delayed; [L728] 0 int y$mem_tmp; [L729] 0 _Bool y$r_buff0_thd0; [L730] 0 _Bool y$r_buff0_thd1; [L731] 0 _Bool y$r_buff0_thd2; [L732] 0 _Bool y$r_buff0_thd3; [L733] 0 _Bool y$r_buff1_thd0; [L734] 0 _Bool y$r_buff1_thd1; [L735] 0 _Bool y$r_buff1_thd2; [L736] 0 _Bool y$r_buff1_thd3; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L844] 0 pthread_t t636; [L845] FCALL, FORK 0 pthread_create(&t636, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t636, ((void *)0), P0, ((void *)0))=-3, t636={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t637; [L847] FCALL, FORK 0 pthread_create(&t637, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t637, ((void *)0), P1, ((void *)0))=-2, t636={5:0}, t637={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t638; [L849] FCALL, FORK 0 pthread_create(&t638, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t638, ((void *)0), P2, ((void *)0))=-1, t636={5:0}, t637={6:0}, t638={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 1 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L788] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L788] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 3 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L750] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 x = 1 [L756] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L822] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L823] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L824] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L825] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L826] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L829] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 3 return 0; [L759] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L760] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L761] 1 y$flush_delayed = weak$$choice2 [L762] 1 y$mem_tmp = y [L763] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L764] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L765] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L766] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L767] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L768] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L769] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L770] 1 __unbuffered_p0_EBX = y [L771] 1 y = y$flush_delayed ? y$mem_tmp : y [L772] 1 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L799] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L851] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L853] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L853] RET 0 assume_abort_if_not(main$tmp_guard0) [L855] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L856] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L857] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L858] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L859] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t636={5:0}, t637={6:0}, t638={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L862] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L864] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - 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: 842]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 845]: 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: 849]: 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: 847]: 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, 159 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 413 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 413 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1306 IncrementalHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 68 mSDtfsCounter, 1306 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1698occurred in iteration=4, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2204 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 1874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 12:09:54,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 1b7eb90186eb2f5804d582daa800e24f20cc36e3f07dd8983b72b6a43dcf9225 --- 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 12:09:56,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:09:56,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:09:56,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:09:56,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:09:56,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:09:56,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:09:56,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:09:56,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:09:56,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:09:56,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:09:56,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:09:56,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:09:56,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:09:56,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:09:56,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:09:56,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:09:56,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:09:56,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:09:56,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:09:56,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:09:56,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:09:56,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:09:56,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:09:56,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:09:56,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:09:56,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:09:56,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:09:56,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:09:56,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:09:56,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:09:56,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:09:56,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:09:56,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:09:56,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:09:56,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:09:56,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:09:56,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:09:56,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:09:56,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:09:56,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:09:56,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-12-14 12:09:56,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:09:56,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:09:56,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:09:56,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:09:56,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:09:56,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:09:56,333 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:09:56,333 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:09:56,333 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:09:56,333 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:09:56,333 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:09:56,334 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:09:56,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 12:09:56,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 12:09:56,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:09:56,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:09:56,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:09:56,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:09:56,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:09:56,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:09:56,336 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 12:09:56,336 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 12:09:56,336 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 12:09:56,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:09:56,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 12:09:56,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 12:09:56,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 12:09:56,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:09:56,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:09:56,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:09:56,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 12:09:56,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:09:56,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:09:56,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:09:56,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:09:56,339 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 12:09:56,339 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 12:09:56,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:09:56,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 12:09:56,339 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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 -> 1b7eb90186eb2f5804d582daa800e24f20cc36e3f07dd8983b72b6a43dcf9225 [2022-12-14 12:09:56,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:09:56,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:09:56,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:09:56,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:09:56,635 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:09:56,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i [2022-12-14 12:09:59,220 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:09:59,428 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:09:59,428 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i [2022-12-14 12:09:59,440 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/data/38b946524/ec10ba8f8f3b46d29722d45c3f59471a/FLAG1f3a3f762 [2022-12-14 12:09:59,454 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/data/38b946524/ec10ba8f8f3b46d29722d45c3f59471a [2022-12-14 12:09:59,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:09:59,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:09:59,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:09:59,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:09:59,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:09:59,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4613a59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59, skipping insertion in model container [2022-12-14 12:09:59,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:09:59,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:09:59,621 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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i[1009,1022] [2022-12-14 12:09:59,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,731 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:09:59,771 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:09:59,782 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_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/sv-benchmarks/c/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i[1009,1022] [2022-12-14 12:09:59,806 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,807 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,808 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,813 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 12:09:59,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 12:09:59,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:09:59,879 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:09:59,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59 WrapperNode [2022-12-14 12:09:59,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:09:59,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:09:59,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:09:59,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:09:59,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,939 INFO L138 Inliner]: procedures = 179, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 132 [2022-12-14 12:09:59,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:09:59,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:09:59,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:09:59,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:09:59,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:09:59,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:09:59,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:09:59,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:09:59,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (1/1) ... [2022-12-14 12:09:59,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:09:59,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:09:59,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:09:59,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:10:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 12:10:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:10:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:10:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:10:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 12:10:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 12:10:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 12:10:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 12:10:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 12:10:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 12:10:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 12:10:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 12:10:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 12:10:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:10:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:10:00,024 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 12:10:00,141 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:10:00,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:10:00,446 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:10:00,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:10:00,546 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:10:00,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:10:00 BoogieIcfgContainer [2022-12-14 12:10:00,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:10:00,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:10:00,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:10:00,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:10:00,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:09:59" (1/3) ... [2022-12-14 12:10:00,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ef7f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:10:00, skipping insertion in model container [2022-12-14 12:10:00,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:09:59" (2/3) ... [2022-12-14 12:10:00,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ef7f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:10:00, skipping insertion in model container [2022-12-14 12:10:00,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:10:00" (3/3) ... [2022-12-14 12:10:00,556 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.opt_pso.opt_rmo.opt.i [2022-12-14 12:10:00,574 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:10:00,575 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-12-14 12:10:00,575 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 12:10:00,628 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 12:10:00,660 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 12:10:00,673 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 131 transitions, 277 flow [2022-12-14 12:10:00,676 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 131 transitions, 277 flow [2022-12-14 12:10:00,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 131 transitions, 277 flow [2022-12-14 12:10:00,722 INFO L130 PetriNetUnfolder]: 2/128 cut-off events. [2022-12-14 12:10:00,722 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 12:10:00,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2022-12-14 12:10:00,732 INFO L119 LiptonReduction]: Number of co-enabled transitions 2544 [2022-12-14 12:10:07,352 INFO L134 LiptonReduction]: Checked pairs total: 6713 [2022-12-14 12:10:07,352 INFO L136 LiptonReduction]: Total number of compositions: 124 [2022-12-14 12:10:07,358 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 36 transitions, 87 flow [2022-12-14 12:10:07,413 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1284 states, 1271 states have (on average 3.373721479150275) internal successors, (4288), 1283 states have internal predecessors, (4288), 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 12:10:07,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:10:07,431 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;@5f789f37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:10:07,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-12-14 12:10:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 1284 states, 1271 states have (on average 3.373721479150275) internal successors, (4288), 1283 states have internal predecessors, (4288), 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 12:10:07,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 12:10:07,439 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:07,439 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 12:10:07,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:07,443 INFO L85 PathProgramCache]: Analyzing trace with hash 546, now seen corresponding path program 1 times [2022-12-14 12:10:07,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:07,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033220181] [2022-12-14 12:10:07,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:07,452 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 12:10:07,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:07,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:07,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:07,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 12:10:07,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:07,512 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 12:10:07,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:07,512 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:07,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033220181] [2022-12-14 12:10:07,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033220181] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:07,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:07,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 12:10:07,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846099072] [2022-12-14 12:10:07,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:07,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 12:10:07,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:07,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 12:10:07,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 12:10:07,543 INFO L87 Difference]: Start difference. First operand has 1284 states, 1271 states have (on average 3.373721479150275) internal successors, (4288), 1283 states have internal predecessors, (4288), 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 12:10:07,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:07,682 INFO L93 Difference]: Finished difference Result 1212 states and 3930 transitions. [2022-12-14 12:10:07,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 12:10:07,685 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 12:10:07,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:07,713 INFO L225 Difference]: With dead ends: 1212 [2022-12-14 12:10:07,714 INFO L226 Difference]: Without dead ends: 1212 [2022-12-14 12:10:07,714 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 12:10:07,717 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:07,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:10:07,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-12-14 12:10:07,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1212. [2022-12-14 12:10:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1207 states have (on average 3.256006628003314) internal successors, (3930), 1211 states have internal predecessors, (3930), 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 12:10:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 3930 transitions. [2022-12-14 12:10:07,822 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 3930 transitions. Word has length 1 [2022-12-14 12:10:07,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:07,822 INFO L495 AbstractCegarLoop]: Abstraction has 1212 states and 3930 transitions. [2022-12-14 12:10:07,822 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 12:10:07,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 3930 transitions. [2022-12-14 12:10:07,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 12:10:07,823 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:07,823 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 12:10:07,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:08,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:08,025 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:08,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:08,027 INFO L85 PathProgramCache]: Analyzing trace with hash 517297646, now seen corresponding path program 1 times [2022-12-14 12:10:08,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:08,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737604863] [2022-12-14 12:10:08,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:08,030 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 12:10:08,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:08,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:08,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:08,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:10:08,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:08,289 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 12:10:08,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:08,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:08,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737604863] [2022-12-14 12:10:08,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737604863] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:08,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:08,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 12:10:08,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477253328] [2022-12-14 12:10:08,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:08,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:10:08,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:08,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:10:08,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:10:08,293 INFO L87 Difference]: Start difference. First operand 1212 states and 3930 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:10:08,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:08,387 INFO L93 Difference]: Finished difference Result 992 states and 3169 transitions. [2022-12-14 12:10:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:10:08,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 12:10:08,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:08,393 INFO L225 Difference]: With dead ends: 992 [2022-12-14 12:10:08,393 INFO L226 Difference]: Without dead ends: 962 [2022-12-14 12:10:08,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:10:08,394 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 14 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:08,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 6 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:10:08,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-12-14 12:10:08,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2022-12-14 12:10:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 960 states have (on average 3.21875) internal successors, (3090), 961 states have internal predecessors, (3090), 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 12:10:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 3090 transitions. [2022-12-14 12:10:08,416 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 3090 transitions. Word has length 5 [2022-12-14 12:10:08,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:08,416 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 3090 transitions. [2022-12-14 12:10:08,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:10:08,417 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 3090 transitions. [2022-12-14 12:10:08,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 12:10:08,418 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:08,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:08,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:08,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:08,620 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:08,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:08,622 INFO L85 PathProgramCache]: Analyzing trace with hash -246088358, now seen corresponding path program 1 times [2022-12-14 12:10:08,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:08,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97169197] [2022-12-14 12:10:08,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:08,626 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 12:10:08,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:08,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:08,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:08,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:10:08,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:08,900 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 12:10:08,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:08,900 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:08,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97169197] [2022-12-14 12:10:08,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [97169197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:08,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:08,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 12:10:08,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474616684] [2022-12-14 12:10:08,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:08,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:10:08,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:08,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:10:08,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:10:08,908 INFO L87 Difference]: Start difference. First operand 962 states and 3090 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:10:08,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:08,975 INFO L93 Difference]: Finished difference Result 562 states and 1490 transitions. [2022-12-14 12:10:08,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:10:08,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 12:10:08,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:08,977 INFO L225 Difference]: With dead ends: 562 [2022-12-14 12:10:08,977 INFO L226 Difference]: Without dead ends: 562 [2022-12-14 12:10:08,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:10:08,978 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 10 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:08,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:10:08,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2022-12-14 12:10:08,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2022-12-14 12:10:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 560 states have (on average 2.6607142857142856) internal successors, (1490), 561 states have internal predecessors, (1490), 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 12:10:08,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1490 transitions. [2022-12-14 12:10:08,990 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1490 transitions. Word has length 10 [2022-12-14 12:10:08,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:08,990 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 1490 transitions. [2022-12-14 12:10:08,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:10:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1490 transitions. [2022-12-14 12:10:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 12:10:08,992 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:08,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:09,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:09,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:09,193 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:09,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:09,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1248214880, now seen corresponding path program 1 times [2022-12-14 12:10:09,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:09,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645111334] [2022-12-14 12:10:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:09,195 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 12:10:09,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:09,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:09,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:09,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:10:09,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:09,314 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 12:10:09,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:09,315 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:09,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645111334] [2022-12-14 12:10:09,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645111334] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:09,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:09,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:10:09,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427863533] [2022-12-14 12:10:09,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:09,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:10:09,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:09,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:10:09,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:10:09,316 INFO L87 Difference]: Start difference. First operand 562 states and 1490 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:10:09,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:09,424 INFO L93 Difference]: Finished difference Result 282 states and 650 transitions. [2022-12-14 12:10:09,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:10:09,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-12-14 12:10:09,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:09,426 INFO L225 Difference]: With dead ends: 282 [2022-12-14 12:10:09,426 INFO L226 Difference]: Without dead ends: 282 [2022-12-14 12:10:09,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:10:09,427 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 21 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:09,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 12 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:10:09,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-12-14 12:10:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-12-14 12:10:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 280 states have (on average 2.3214285714285716) internal successors, (650), 281 states have internal predecessors, (650), 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 12:10:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 650 transitions. [2022-12-14 12:10:09,436 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 650 transitions. Word has length 14 [2022-12-14 12:10:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:09,436 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 650 transitions. [2022-12-14 12:10:09,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 12:10:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 650 transitions. [2022-12-14 12:10:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 12:10:09,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:09,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:09,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:09,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:09,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:09,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:09,639 INFO L85 PathProgramCache]: Analyzing trace with hash 263042548, now seen corresponding path program 1 times [2022-12-14 12:10:09,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:09,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747504084] [2022-12-14 12:10:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:09,640 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 12:10:09,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:09,641 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:09,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:09,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 12:10:09,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:09,813 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 12:10:09,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:09,813 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:09,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747504084] [2022-12-14 12:10:09,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747504084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:09,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:09,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:10:09,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476261462] [2022-12-14 12:10:09,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:09,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:10:09,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:09,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:10:09,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:10:09,815 INFO L87 Difference]: Start difference. First operand 282 states and 650 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 12:10:09,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:09,943 INFO L93 Difference]: Finished difference Result 217 states and 520 transitions. [2022-12-14 12:10:09,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:10:09,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2022-12-14 12:10:09,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:09,945 INFO L225 Difference]: With dead ends: 217 [2022-12-14 12:10:09,946 INFO L226 Difference]: Without dead ends: 217 [2022-12-14 12:10:09,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:10:09,947 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 30 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:09,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 27 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:10:09,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-12-14 12:10:09,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-12-14 12:10:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 215 states have (on average 2.4186046511627906) internal successors, (520), 216 states have internal predecessors, (520), 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 12:10:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 520 transitions. [2022-12-14 12:10:09,957 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 520 transitions. Word has length 18 [2022-12-14 12:10:09,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:09,957 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 520 transitions. [2022-12-14 12:10:09,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 12:10:09,957 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 520 transitions. [2022-12-14 12:10:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:10:09,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:09,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:09,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:10,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:10,160 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:10,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:10,161 INFO L85 PathProgramCache]: Analyzing trace with hash 192177804, now seen corresponding path program 1 times [2022-12-14 12:10:10,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:10,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399025024] [2022-12-14 12:10:10,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:10,163 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 12:10:10,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:10,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:10,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-14 12:10:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:10,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 12:10:10,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:10,728 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 12:10:10,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:10,728 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:10,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399025024] [2022-12-14 12:10:10,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399025024] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:10,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:10,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:10:10,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904890961] [2022-12-14 12:10:10,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:10,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:10:10,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:10,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:10:10,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:10:10,730 INFO L87 Difference]: Start difference. First operand 217 states and 520 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 12:10:10,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:10,940 INFO L93 Difference]: Finished difference Result 216 states and 519 transitions. [2022-12-14 12:10:10,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:10:10,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2022-12-14 12:10:10,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:10,941 INFO L225 Difference]: With dead ends: 216 [2022-12-14 12:10:10,942 INFO L226 Difference]: Without dead ends: 216 [2022-12-14 12:10:10,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:10:10,942 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:10,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 12 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 12:10:10,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-12-14 12:10:10,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2022-12-14 12:10:10,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 2.4139534883720932) internal successors, (519), 215 states have internal predecessors, (519), 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 12:10:10,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 519 transitions. [2022-12-14 12:10:10,947 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 519 transitions. Word has length 23 [2022-12-14 12:10:10,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:10,948 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 519 transitions. [2022-12-14 12:10:10,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 12:10:10,948 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 519 transitions. [2022-12-14 12:10:10,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:10:10,948 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:10,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:10,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-14 12:10:11,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:11,149 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:11,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:11,150 INFO L85 PathProgramCache]: Analyzing trace with hash 192177784, now seen corresponding path program 1 times [2022-12-14 12:10:11,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:11,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309110882] [2022-12-14 12:10:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:10:11,151 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 12:10:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:11,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:11,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 12:10:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:10:11,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:10:11,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:11,370 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 12:10:11,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:11,371 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:11,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309110882] [2022-12-14 12:10:11,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309110882] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:11,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:11,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:10:11,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567186384] [2022-12-14 12:10:11,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:11,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:10:11,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:11,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:10:11,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:10:11,372 INFO L87 Difference]: Start difference. First operand 216 states and 519 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 12:10:11,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:11,456 INFO L93 Difference]: Finished difference Result 294 states and 692 transitions. [2022-12-14 12:10:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:10:11,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2022-12-14 12:10:11,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:11,457 INFO L225 Difference]: With dead ends: 294 [2022-12-14 12:10:11,457 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 12:10:11,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:10:11,458 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:11,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 9 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:10:11,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 12:10:11,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-12-14 12:10:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 2.296969696969697) internal successors, (379), 165 states have internal predecessors, (379), 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 12:10:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 379 transitions. [2022-12-14 12:10:11,462 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 379 transitions. Word has length 23 [2022-12-14 12:10:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:11,462 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 379 transitions. [2022-12-14 12:10:11,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 12:10:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 379 transitions. [2022-12-14 12:10:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:10:11,462 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:11,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:11,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-12-14 12:10:11,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:11,664 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:11,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1781261790, now seen corresponding path program 2 times [2022-12-14 12:10:11,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:11,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435349878] [2022-12-14 12:10:11,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 12:10:11,668 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 12:10:11,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:11,670 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:11,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 12:10:11,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-14 12:10:11,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:10:11,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:10:11,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:11,821 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 12:10:11,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:11,821 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:11,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435349878] [2022-12-14 12:10:11,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435349878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:11,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:11,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:10:11,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618067319] [2022-12-14 12:10:11,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:11,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:10:11,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:11,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:10:11,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:10:11,823 INFO L87 Difference]: Start difference. First operand 166 states and 379 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 12:10:11,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:11,940 INFO L93 Difference]: Finished difference Result 205 states and 457 transitions. [2022-12-14 12:10:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:10:11,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 23 [2022-12-14 12:10:11,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:11,941 INFO L225 Difference]: With dead ends: 205 [2022-12-14 12:10:11,941 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 12:10:11,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:10:11,942 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 22 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:11,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 16 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:10:11,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 12:10:11,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-14 12:10:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.904109589041096) internal successors, (139), 73 states have internal predecessors, (139), 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 12:10:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 139 transitions. [2022-12-14 12:10:11,946 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 139 transitions. Word has length 23 [2022-12-14 12:10:11,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:11,947 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 139 transitions. [2022-12-14 12:10:11,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 12:10:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2022-12-14 12:10:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:10:11,948 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:11,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:11,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-14 12:10:12,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:12,149 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:12,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:12,149 INFO L85 PathProgramCache]: Analyzing trace with hash 173463150, now seen corresponding path program 3 times [2022-12-14 12:10:12,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:12,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121890697] [2022-12-14 12:10:12,150 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:10:12,150 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 12:10:12,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:12,151 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:12,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-14 12:10:12,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 12:10:12,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:10:12,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 12:10:12,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:10:12,484 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 12:10:12,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:10:12,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 12:10:12,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121890697] [2022-12-14 12:10:12,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121890697] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:10:12,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:10:12,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 12:10:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288475702] [2022-12-14 12:10:12,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:10:12,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 12:10:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 12:10:12,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 12:10:12,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:10:12,486 INFO L87 Difference]: Start difference. First operand 74 states and 139 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 12:10:12,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:10:12,664 INFO L93 Difference]: Finished difference Result 89 states and 162 transitions. [2022-12-14 12:10:12,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:10:12,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 23 [2022-12-14 12:10:12,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:10:12,664 INFO L225 Difference]: With dead ends: 89 [2022-12-14 12:10:12,664 INFO L226 Difference]: Without dead ends: 46 [2022-12-14 12:10:12,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-14 12:10:12,665 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 48 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:10:12,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 20 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 12:10:12,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-14 12:10:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-14 12:10:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 45 states have internal predecessors, (71), 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 12:10:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 71 transitions. [2022-12-14 12:10:12,666 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 71 transitions. Word has length 23 [2022-12-14 12:10:12,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:10:12,667 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 71 transitions. [2022-12-14 12:10:12,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 12:10:12,667 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2022-12-14 12:10:12,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 12:10:12,667 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:10:12,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:12,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-14 12:10:12,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:12,868 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 10 more)] === [2022-12-14 12:10:12,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:10:12,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1735733714, now seen corresponding path program 4 times [2022-12-14 12:10:12,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 12:10:12,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163749223] [2022-12-14 12:10:12,869 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 12:10:12,869 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 12:10:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 12:10:12,871 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:12,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 (11)] Waiting until timeout for monitored process [2022-12-14 12:10:13,021 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 12:10:13,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-12-14 12:10:13,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 12:10:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 12:10:13,133 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 12:10:13,133 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 12:10:13,134 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (12 of 13 remaining) [2022-12-14 12:10:13,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (11 of 13 remaining) [2022-12-14 12:10:13,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (4 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2022-12-14 12:10:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 13 remaining) [2022-12-14 12:10:13,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 (11)] Ended with exit code 0 [2022-12-14 12:10:13,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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 12:10:13,344 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2022-12-14 12:10:13,357 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-14 12:10:13,357 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 12:10:13,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 12:10:13 BasicIcfg [2022-12-14 12:10:13,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 12:10:13,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 12:10:13,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 12:10:13,419 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 12:10:13,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:10:00" (3/4) ... [2022-12-14 12:10:13,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 12:10:13,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 12:10:13,422 INFO L158 Benchmark]: Toolchain (without parser) took 13964.36ms. Allocated memory was 62.9MB in the beginning and 107.0MB in the end (delta: 44.0MB). Free memory was 32.5MB in the beginning and 64.9MB in the end (delta: -32.5MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-12-14 12:10:13,422 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:10:13,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.46ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 32.1MB in the beginning and 47.2MB in the end (delta: -15.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-12-14 12:10:13,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.11ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 67.6MB in the end (delta: -20.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-12-14 12:10:13,423 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 88.1MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 12:10:13,423 INFO L158 Benchmark]: RCFGBuilder took 585.92ms. Allocated memory is still 88.1MB. Free memory was 65.5MB in the beginning and 52.7MB in the end (delta: 12.8MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2022-12-14 12:10:13,423 INFO L158 Benchmark]: TraceAbstraction took 12868.22ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 65.8MB in the end (delta: -14.1MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-12-14 12:10:13,423 INFO L158 Benchmark]: Witness Printer took 2.45ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 64.9MB in the end (delta: 887.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 12:10:13,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.46ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 32.1MB in the beginning and 47.2MB in the end (delta: -15.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.11ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 67.6MB in the end (delta: -20.8MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 88.1MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.92ms. Allocated memory is still 88.1MB. Free memory was 65.5MB in the beginning and 52.7MB in the end (delta: 12.8MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12868.22ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 65.8MB in the end (delta: -14.1MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 2.45ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 64.9MB in the end (delta: 887.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7s, 139 PlacesBefore, 45 PlacesAfterwards, 131 TransitionsBefore, 36 TransitionsAfterwards, 2544 CoEnabledTransitionPairs, 7 FixpointIterations, 50 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 124 TotalNumberOfCompositions, 6713 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3519, independent: 3338, independent conditional: 0, independent unconditional: 3338, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1744, independent: 1698, independent conditional: 0, independent unconditional: 1698, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1744, independent: 1681, independent conditional: 0, independent unconditional: 1681, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3519, independent: 1640, independent conditional: 0, independent unconditional: 1640, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 1744, unknown conditional: 0, unknown unconditional: 1744] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 181, Positive conditional cache size: 0, Positive unconditional cache size: 181, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L727] 0 _Bool y$flush_delayed; [L728] 0 int y$mem_tmp; [L729] 0 _Bool y$r_buff0_thd0; [L730] 0 _Bool y$r_buff0_thd1; [L731] 0 _Bool y$r_buff0_thd2; [L732] 0 _Bool y$r_buff0_thd3; [L733] 0 _Bool y$r_buff1_thd0; [L734] 0 _Bool y$r_buff1_thd1; [L735] 0 _Bool y$r_buff1_thd2; [L736] 0 _Bool y$r_buff1_thd3; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L844] 0 pthread_t t636; [L845] FCALL, FORK 0 pthread_create(&t636, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t636, ((void *)0), P0, ((void *)0))=-1, t636={-6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t637; [L847] FCALL, FORK 0 pthread_create(&t637, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t637, ((void *)0), P1, ((void *)0))=0, t636={-6:0}, t637={-10:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t638; [L849] FCALL, FORK 0 pthread_create(&t638, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t638, ((void *)0), P2, ((void *)0))=1, t636={-6:0}, t637={-10:0}, t638={-2:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 1 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L788] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L788] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 2 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 3 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L822] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L823] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L824] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L825] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L826] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L829] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 3 return 0; [L750] 1 a = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 x = 1 [L756] 1 __unbuffered_p0_EAX = x VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L759] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L760] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L761] 1 y$flush_delayed = weak$$choice2 [L762] 1 y$mem_tmp = y [L763] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L764] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L765] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L766] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L767] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L768] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L769] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L770] 1 __unbuffered_p0_EBX = y [L771] 1 y = y$flush_delayed ? y$mem_tmp : y [L772] 1 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L799] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L851] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L853] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L853] RET 0 assume_abort_if_not(main$tmp_guard0) [L855] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L856] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L857] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L858] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L859] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t636={-6:0}, t637={-10:0}, t638={-2:0}, weak$$choice0=2, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L862] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L864] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - 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: 842]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 845]: 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: 849]: 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: 847]: 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, 160 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 761 IncrementalHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 42 mSDtfsCounter, 761 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1284occurred in iteration=0, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 131 ConstructedInterpolants, 18 QuantifiedInterpolants, 1210 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1171 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 12:10:13,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ea6ec1-67ab-49d4-97ec-55ef6ce7e36c/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